diff options
82 files changed, 849 insertions, 517 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 8c68768ebee5..c3313d45f4d6 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -161,6 +161,10 @@ X!Edrivers/base/interface.c !Iinclude/linux/fence.h !Edrivers/dma-buf/seqno-fence.c !Iinclude/linux/seqno-fence.h +!Edrivers/dma-buf/fence-array.c +!Iinclude/linux/fence-array.h +!Edrivers/dma-buf/reservation.c +!Iinclude/linux/reservation.h !Edrivers/dma-buf/sync_file.c !Iinclude/linux/sync_file.h </sect2> diff --git a/Documentation/DocBook/gpu.tmpl b/Documentation/DocBook/gpu.tmpl index b3a04b521b22..dac18b4ff090 100644 --- a/Documentation/DocBook/gpu.tmpl +++ b/Documentation/DocBook/gpu.tmpl @@ -1570,7 +1570,7 @@ void intel_crt_init(struct drm_device *dev) </sect3> <sect3> <title>Implementing Asynchronous Atomic Commit</title> -!Pdrivers/gpu/drm/drm_atomic_helper.c implementing async commit +!Pdrivers/gpu/drm/drm_atomic_helper.c implementing nonblocking commit </sect3> <sect3> <title>Atomic State Reset and Initialization</title> diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile index 4a424eca75ed..f353db213a81 100644 --- a/drivers/dma-buf/Makefile +++ b/drivers/dma-buf/Makefile @@ -1,2 +1,2 @@ -obj-y := dma-buf.o fence.o reservation.o seqno-fence.o +obj-y := dma-buf.o fence.o reservation.o seqno-fence.o fence-array.o obj-$(CONFIG_SYNC_FILE) += sync_file.o diff --git a/drivers/dma-buf/fence-array.c b/drivers/dma-buf/fence-array.c new file mode 100644 index 000000000000..a8731c853da6 --- /dev/null +++ b/drivers/dma-buf/fence-array.c @@ -0,0 +1,144 @@ +/* + * fence-array: aggregate fences to be waited together + * + * Copyright (C) 2016 Collabora Ltd + * Copyright (C) 2016 Advanced Micro Devices, Inc. + * Authors: + * Gustavo Padovan <gustavo@padovan.org> + * Christian König <christian.koenig@amd.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/export.h> +#include <linux/slab.h> +#include <linux/fence-array.h> + +static void fence_array_cb_func(struct fence *f, struct fence_cb *cb); + +static const char *fence_array_get_driver_name(struct fence *fence) +{ + return "fence_array"; +} + +static const char *fence_array_get_timeline_name(struct fence *fence) +{ + return "unbound"; +} + +static void fence_array_cb_func(struct fence *f, struct fence_cb *cb) +{ + struct fence_array_cb *array_cb = + container_of(cb, struct fence_array_cb, cb); + struct fence_array *array = array_cb->array; + + if (atomic_dec_and_test(&array->num_pending)) + fence_signal(&array->base); + fence_put(&array->base); +} + +static bool fence_array_enable_signaling(struct fence *fence) +{ + struct fence_array *array = to_fence_array(fence); + struct fence_array_cb *cb = (void *)(&array[1]); + unsigned i; + + for (i = 0; i < array->num_fences; ++i) { + cb[i].array = array; + /* + * As we may report that the fence is signaled before all + * callbacks are complete, we need to take an additional + * reference count on the array so that we do not free it too + * early. The core fence handling will only hold the reference + * until we signal the array as complete (but that is now + * insufficient). + */ + fence_get(&array->base); + if (fence_add_callback(array->fences[i], &cb[i].cb, + fence_array_cb_func)) { + fence_put(&array->base); + if (atomic_dec_and_test(&array->num_pending)) + return false; + } + } + + return true; +} + +static bool fence_array_signaled(struct fence *fence) +{ + struct fence_array *array = to_fence_array(fence); + + return atomic_read(&array->num_pending) <= 0; +} + +static void fence_array_release(struct fence *fence) +{ + struct fence_array *array = to_fence_array(fence); + unsigned i; + + for (i = 0; i < array->num_fences; ++i) + fence_put(array->fences[i]); + + kfree(array->fences); + fence_free(fence); +} + +const struct fence_ops fence_array_ops = { + .get_driver_name = fence_array_get_driver_name, + .get_timeline_name = fence_array_get_timeline_name, + .enable_signaling = fence_array_enable_signaling, + .signaled = fence_array_signaled, + .wait = fence_default_wait, + .release = fence_array_release, +}; + +/** + * fence_array_create - Create a custom fence array + * @num_fences: [in] number of fences to add in the array + * @fences: [in] array containing the fences + * @context: [in] fence context to use + * @seqno: [in] sequence number to use + * @signal_on_any [in] signal on any fence in the array + * + * Allocate a fence_array object and initialize the base fence with fence_init(). + * In case of error it returns NULL. + * + * The caller should allocte the fences array with num_fences size + * and fill it with the fences it wants to add to the object. Ownership of this + * array is take and fence_put() is used on each fence on release. + * + * If @signal_on_any is true the fence array signals if any fence in the array + * signals, otherwise it signals when all fences in the array signal. + */ +struct fence_array *fence_array_create(int num_fences, struct fence **fences, + u64 context, unsigned seqno, + bool signal_on_any) +{ + struct fence_array *array; + size_t size = sizeof(*array); + + /* Allocate the callback structures behind the array. */ + size += num_fences * sizeof(struct fence_array_cb); + array = kzalloc(size, GFP_KERNEL); + if (!array) + return NULL; + + spin_lock_init(&array->lock); + fence_init(&array->base, &fence_array_ops, &array->lock, + context, seqno); + + array->num_fences = num_fences; + atomic_set(&array->num_pending, signal_on_any ? 1 : num_fences); + array->fences = fences; + + return array; +} +EXPORT_SYMBOL(fence_array_create); diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c index 7b05dbe9b296..4d51f9e83fa8 100644 --- a/drivers/dma-buf/fence.c +++ b/drivers/dma-buf/fence.c @@ -35,7 +35,7 @@ EXPORT_TRACEPOINT_SYMBOL(fence_emit); * context or not. One device can have multiple separate contexts, * and they're used if some engine can run independently of another. */ -static atomic_t fence_context_counter = ATOMIC_INIT(0); +static atomic64_t fence_context_counter = ATOMIC64_INIT(0); /** * fence_context_alloc - allocate an array of fence contexts @@ -44,10 +44,10 @@ static atomic_t fence_context_counter = ATOMIC_INIT(0); * This function will return the first index of the number of fences allocated. * The fence context is used for setting fence->context to a unique number. */ -unsigned fence_context_alloc(unsigned num) +u64 fence_context_alloc(unsigned num) { BUG_ON(!num); - return atomic_add_return(num, &fence_context_counter) - num; + return atomic64_add_return(num, &fence_context_counter) - num; } EXPORT_SYMBOL(fence_context_alloc); @@ -513,7 +513,7 @@ EXPORT_SYMBOL(fence_wait_any_timeout); */ void fence_init(struct fence *fence, const struct fence_ops *ops, - spinlock_t *lock, unsigned context, unsigned seqno) + spinlock_t *lock, u64 context, unsigned seqno) { BUG_ON(!lock); BUG_ON(!ops || !ops->wait || !ops->enable_signaling || diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index f08cf2d8309e..9aaa608dfe01 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -82,7 +82,7 @@ struct sync_file *sync_file_create(struct fence *fence) sync_file->num_fences = 1; atomic_set(&sync_file->status, 1); - snprintf(sync_file->name, sizeof(sync_file->name), "%s-%s%d-%d", + snprintf(sync_file->name, sizeof(sync_file->name), "%s-%s%llu-%d", fence->ops->get_driver_name(fence), fence->ops->get_timeline_name(fence), fence->context, fence->seqno); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 992f00b65be4..da3d02154fa6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -2032,7 +2032,7 @@ struct amdgpu_device { struct amdgpu_irq_src hpd_irq; /* rings */ - unsigned fence_context; + u64 fence_context; unsigned num_rings; struct amdgpu_ring *rings[AMDGPU_MAX_RINGS]; bool ib_pool_ready; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index b0832da2ef7e..0b5f3accb1e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -240,7 +240,7 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, work->base = base; - r = drm_vblank_get(crtc->dev, amdgpu_crtc->crtc_id); + r = drm_crtc_vblank_get(crtc); if (r) { DRM_ERROR("failed to get vblank before flip\n"); goto pflip_cleanup; @@ -268,7 +268,7 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, return 0; vblank_cleanup: - drm_vblank_put(crtc->dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_put(&amdgpu_crtc->base); pflip_cleanup: if (unlikely(amdgpu_bo_reserve(new_rbo, false) != 0)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 8bf84efafb04..b16366c2b4a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -427,7 +427,7 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, soffset, eoffset, eoffset - soffset); if (i->fence) - seq_printf(m, " protected by 0x%08x on context %d", + seq_printf(m, " protected by 0x%08x on context %llu", i->fence->seqno, i->fence->context); seq_printf(m, "\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 8227344d2ff6..112e358f0f9b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2667,19 +2667,21 @@ static void dce_v10_0_cursor_reset(struct drm_crtc *crtc) } } -static void dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); - int end = (start + size > 256) ? 256 : start + size, i; + int i; /* userspace palettes are always correct as is */ - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { amdgpu_crtc->lut_r[i] = red[i] >> 6; amdgpu_crtc->lut_g[i] = green[i] >> 6; amdgpu_crtc->lut_b[i] = blue[i] >> 6; } dce_v10_0_crtc_load_lut(crtc); + + return 0; } static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc) @@ -3372,7 +3374,7 @@ static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); - drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_put(&amdgpu_crtc->base); schedule_work(&works->unpin_work); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index af26ec0bc59d..b522fa2435a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2678,19 +2678,21 @@ static void dce_v11_0_cursor_reset(struct drm_crtc *crtc) } } -static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); - int end = (start + size > 256) ? 256 : start + size, i; + int i; /* userspace palettes are always correct as is */ - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { amdgpu_crtc->lut_r[i] = red[i] >> 6; amdgpu_crtc->lut_g[i] = green[i] >> 6; amdgpu_crtc->lut_b[i] = blue[i] >> 6; } dce_v11_0_crtc_load_lut(crtc); + + return 0; } static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc) @@ -3433,7 +3435,7 @@ static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); - drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_put(&amdgpu_crtc->base); schedule_work(&works->unpin_work); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 3fb65e41a6ef..b50ed72feedb 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2574,19 +2574,21 @@ static void dce_v8_0_cursor_reset(struct drm_crtc *crtc) } } -static void dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); - int end = (start + size > 256) ? 256 : start + size, i; + int i; /* userspace palettes are always correct as is */ - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { amdgpu_crtc->lut_r[i] = red[i] >> 6; amdgpu_crtc->lut_g[i] = green[i] >> 6; amdgpu_crtc->lut_b[i] = blue[i] >> 6; } dce_v8_0_crtc_load_lut(crtc); + + return 0; } static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc) @@ -3376,7 +3378,7 @@ static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); - drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_put(&amdgpu_crtc->base); schedule_work(&works->unpin_work); return 0; diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index bc53ebb83f75..7675bbc70133 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -92,7 +92,7 @@ static void arcpgu_preclose(struct drm_device *drm, struct drm_file *file) if (e->base.file_priv != file) continue; list_del(&e->base.link); - e->base.destroy(&e->base); + kfree(&e->base); } spin_unlock_irqrestore(&drm->event_lock, flags); } diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c index 0813c2f06931..48019ae22ddb 100644 --- a/drivers/gpu/drm/arm/hdlcd_crtc.c +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c @@ -196,30 +196,11 @@ static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc, } } -static void hdlcd_crtc_atomic_flush(struct drm_crtc *crtc, - struct drm_crtc_state *state) -{ -} - -static bool hdlcd_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static const struct drm_crtc_helper_funcs hdlcd_crtc_helper_funcs = { - .mode_fixup = hdlcd_crtc_mode_fixup, - .mode_set = drm_helper_crtc_mode_set, - .mode_set_base = drm_helper_crtc_mode_set_base, - .mode_set_nofb = hdlcd_crtc_mode_set_nofb, .enable = hdlcd_crtc_enable, .disable = hdlcd_crtc_disable, - .prepare = hdlcd_crtc_disable, - .commit = hdlcd_crtc_enable, .atomic_check = hdlcd_crtc_atomic_check, .atomic_begin = hdlcd_crtc_atomic_begin, - .atomic_flush = hdlcd_crtc_atomic_flush, }; static int hdlcd_plane_atomic_check(struct drm_plane *plane, diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 3130aa8bcdd0..34405e4a5d36 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -199,7 +199,7 @@ static void armada_drm_plane_work_run(struct armada_crtc *dcrtc, /* Handle any pending frame work. */ if (work) { work->fn(dcrtc, plane, work); - drm_vblank_put(dcrtc->crtc.dev, dcrtc->num); + drm_crtc_vblank_put(&dcrtc->crtc); } wake_up(&plane->frame_wait); @@ -210,7 +210,7 @@ int armada_drm_plane_work_queue(struct armada_crtc *dcrtc, { int ret; - ret = drm_vblank_get(dcrtc->crtc.dev, dcrtc->num); + ret = drm_crtc_vblank_get(&dcrtc->crtc); if (ret) { DRM_ERROR("failed to acquire vblank counter\n"); return ret; @@ -218,7 +218,7 @@ int armada_drm_plane_work_queue(struct armada_crtc *dcrtc, ret = cmpxchg(&plane->work, NULL, work) ? -EBUSY : 0; if (ret) - drm_vblank_put(dcrtc->crtc.dev, dcrtc->num); + drm_crtc_vblank_put(&dcrtc->crtc); return ret; } @@ -234,7 +234,7 @@ struct armada_plane_work *armada_drm_plane_work_cancel( struct armada_plane_work *work = xchg(&plane->work, NULL); if (work) - drm_vblank_put(dcrtc->crtc.dev, dcrtc->num); + drm_crtc_vblank_put(&dcrtc->crtc); return work; } @@ -260,7 +260,7 @@ static void armada_drm_crtc_complete_frame_work(struct armada_crtc *dcrtc, if (fwork->event) { spin_lock_irqsave(&dev->event_lock, flags); - drm_send_vblank_event(dev, dcrtc->num, fwork->event); + drm_crtc_send_vblank_event(&dcrtc->crtc, fwork->event); spin_unlock_irqrestore(&dev->event_lock, flags); } @@ -592,9 +592,9 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, if (interlaced ^ dcrtc->interlaced) { if (adj->flags & DRM_MODE_FLAG_INTERLACE) - drm_vblank_get(dcrtc->crtc.dev, dcrtc->num); + drm_crtc_vblank_get(&dcrtc->crtc); else - drm_vblank_put(dcrtc->crtc.dev, dcrtc->num); + drm_crtc_vblank_put(&dcrtc->crtc); dcrtc->interlaced = interlaced; } diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index 5320f8c57884..c017a9330a18 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -167,12 +167,9 @@ static int astfb_create_object(struct ast_fbdev *afbdev, struct drm_gem_object **gobj_p) { struct drm_device *dev = afbdev->helper.dev; - u32 bpp, depth; u32 size; struct drm_gem_object *gobj; - int ret = 0; - drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); size = mode_cmd->pitches[0] * mode_cmd->height; ret = ast_gem_create(dev, size, true, &gobj); diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index c337922606e3..5957c3e659fe 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -624,19 +624,21 @@ static void ast_crtc_reset(struct drm_crtc *crtc) } -static void ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct ast_crtc *ast_crtc = to_ast_crtc(crtc); - int end = (start + size > 256) ? 256 : start + size, i; + int i; /* userspace palettes are always correct as is */ - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { ast_crtc->lut_r[i] = red[i] >> 8; ast_crtc->lut_g[i] = green[i] >> 8; ast_crtc->lut_b[i] = blue[i] >> 8; } ast_crtc_load_lut(crtc); + + return 0; } diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index bd12231ab0cd..613f6c99b76a 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -374,8 +374,8 @@ static void atmel_hlcdc_crtc_finish_page_flip(struct atmel_hlcdc_crtc *crtc) spin_lock_irqsave(&dev->event_lock, flags); if (crtc->event) { - drm_send_vblank_event(dev, crtc->id, crtc->event); - drm_vblank_put(dev, crtc->id); + drm_crtc_send_vblank_event(&crtc->base, crtc->event); + drm_crtc_vblank_put(&crtc->base); crtc->event = NULL; } spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 0b1a411cb89e..17c915d9a03e 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -325,18 +325,20 @@ static void cirrus_crtc_commit(struct drm_crtc *crtc) * use this for 8-bit mode so can't perform smooth fades on deeper modes, * but it's a requirement that we provide the function */ -static void cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc); int i; - for (i = 0; i < CIRRUS_LUT_SIZE; i++) { + for (i = 0; i < size; i++) { cirrus_crtc->lut_r[i] = red[i]; cirrus_crtc->lut_g[i] = green[i]; cirrus_crtc->lut_b[i] = blue[i]; } cirrus_crtc_load_lut(crtc); + + return 0; } /* Simple cleanup function */ diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index c204ef32df16..5e4b820a977c 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -44,11 +44,8 @@ void drm_atomic_state_default_release(struct drm_atomic_state *state) { kfree(state->connectors); - kfree(state->connector_states); kfree(state->crtcs); - kfree(state->crtc_states); kfree(state->planes); - kfree(state->plane_states); } EXPORT_SYMBOL(drm_atomic_state_default_release); @@ -72,18 +69,10 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state) sizeof(*state->crtcs), GFP_KERNEL); if (!state->crtcs) goto fail; - state->crtc_states = kcalloc(dev->mode_config.num_crtc, - sizeof(*state->crtc_states), GFP_KERNEL); - if (!state->crtc_states) - goto fail; state->planes = kcalloc(dev->mode_config.num_total_plane, sizeof(*state->planes), GFP_KERNEL); if (!state->planes) goto fail; - state->plane_states = kcalloc(dev->mode_config.num_total_plane, - sizeof(*state->plane_states), GFP_KERNEL); - if (!state->plane_states) - goto fail; state->dev = dev; @@ -139,40 +128,40 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) DRM_DEBUG_ATOMIC("Clearing atomic state %p\n", state); for (i = 0; i < state->num_connector; i++) { - struct drm_connector *connector = state->connectors[i]; + struct drm_connector *connector = state->connectors[i].ptr; if (!connector) continue; connector->funcs->atomic_destroy_state(connector, - state->connector_states[i]); - state->connectors[i] = NULL; - state->connector_states[i] = NULL; + state->connectors[i].state); + state->connectors[i].ptr = NULL; + state->connectors[i].state = NULL; drm_connector_unreference(connector); } for (i = 0; i < config->num_crtc; i++) { - struct drm_crtc *crtc = state->crtcs[i]; + struct drm_crtc *crtc = state->crtcs[i].ptr; if (!crtc) continue; crtc->funcs->atomic_destroy_state(crtc, - state->crtc_states[i]); - state->crtcs[i] = NULL; - state->crtc_states[i] = NULL; + state->crtcs[i].state); + state->crtcs[i].ptr = NULL; + state->crtcs[i].state = NULL; } for (i = 0; i < config->num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; + struct drm_plane *plane = state->planes[i].ptr; if (!plane) continue; plane->funcs->atomic_destroy_state(plane, - state->plane_states[i]); - state->planes[i] = NULL; - state->plane_states[i] = NULL; + state->planes[i].state); + state->planes[i].ptr = NULL; + state->planes[i].state = NULL; } } EXPORT_SYMBOL(drm_atomic_state_default_clear); @@ -270,8 +259,8 @@ drm_atomic_get_crtc_state(struct drm_atomic_state *state, if (!crtc_state) return ERR_PTR(-ENOMEM); - state->crtc_states[index] = crtc_state; - state->crtcs[index] = crtc; + state->crtcs[index].state = crtc_state; + state->crtcs[index].ptr = crtc; crtc_state->state = state; DRM_DEBUG_ATOMIC("Added [CRTC:%d:%s] %p state to %p\n", @@ -632,8 +621,8 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state, if (!plane_state) return ERR_PTR(-ENOMEM); - state->plane_states[index] = plane_state; - state->planes[index] = plane; + state->planes[index].state = plane_state; + state->planes[index].ptr = plane; plane_state->state = state; DRM_DEBUG_ATOMIC("Added [PLANE:%d:%s] %p state to %p\n", @@ -897,8 +886,7 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, index = drm_connector_index(connector); if (index >= state->num_connector) { - struct drm_connector **c; - struct drm_connector_state **cs; + struct __drm_connnectors_state *c; int alloc = max(index + 1, config->num_connector); c = krealloc(state->connectors, alloc * sizeof(*state->connectors), GFP_KERNEL); @@ -909,26 +897,19 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, memset(&state->connectors[state->num_connector], 0, sizeof(*state->connectors) * (alloc - state->num_connector)); - cs = krealloc(state->connector_states, alloc * sizeof(*state->connector_states), GFP_KERNEL); - if (!cs) - return ERR_PTR(-ENOMEM); - - state->connector_states = cs; - memset(&state->connector_states[state->num_connector], 0, - sizeof(*state->connector_states) * (alloc - state->num_connector)); state->num_connector = alloc; } - if (state->connector_states[index]) - return state->connector_states[index]; + if (state->connectors[index].state) + return state->connectors[index].state; connector_state = connector->funcs->atomic_duplicate_state(connector); if (!connector_state) return ERR_PTR(-ENOMEM); drm_connector_reference(connector); - state->connector_states[index] = connector_state; - state->connectors[index] = connector; + state->connectors[index].state = connector_state; + state->connectors[index].ptr = connector; connector_state->state = state; DRM_DEBUG_ATOMIC("Added [CONNECTOR:%d] %p state to %p\n", @@ -1432,7 +1413,8 @@ EXPORT_SYMBOL(drm_atomic_nonblocking_commit); */ static struct drm_pending_vblank_event *create_vblank_event( - struct drm_device *dev, struct drm_file *file_priv, uint64_t user_data) + struct drm_device *dev, struct drm_file *file_priv, + struct fence *fence, uint64_t user_data) { struct drm_pending_vblank_event *e = NULL; int ret; @@ -1445,12 +1427,17 @@ static struct drm_pending_vblank_event *create_vblank_event( e->event.base.length = sizeof(e->event); e->event.user_data = user_data; - ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base); - if (ret) { - kfree(e); - return NULL; + if (file_priv) { + ret = drm_event_reserve_init(dev, file_priv, &e->base, + &e->event.base); + if (ret) { + kfree(e); + return NULL; + } } + e->base.fence = fence; + return e; } @@ -1690,7 +1677,8 @@ retry: for_each_crtc_in_state(state, crtc, crtc_state, i) { struct drm_pending_vblank_event *e; - e = create_vblank_event(dev, file_priv, arg->user_data); + e = create_vblank_event(dev, file_priv, NULL, + arg->user_data); if (!e) { ret = -ENOMEM; goto out; diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 939df900dcaa..bb98d74d1a2e 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -110,8 +110,10 @@ static int handle_conflicting_encoders(struct drm_atomic_state *state, if (funcs->atomic_best_encoder) new_encoder = funcs->atomic_best_encoder(connector, conn_state); - else + else if (funcs->best_encoder) new_encoder = funcs->best_encoder(connector); + else + new_encoder = drm_atomic_helper_best_encoder(connector); if (new_encoder) { if (encoder_mask & (1 << drm_encoder_index(new_encoder))) { @@ -298,8 +300,10 @@ update_connector_routing(struct drm_atomic_state *state, if (funcs->atomic_best_encoder) new_encoder = funcs->atomic_best_encoder(connector, connector_state); - else + else if (funcs->best_encoder) new_encoder = funcs->best_encoder(connector); + else + new_encoder = drm_atomic_helper_best_encoder(connector); if (!new_encoder) { DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n", @@ -614,7 +618,7 @@ drm_atomic_helper_check_planes(struct drm_device *dev, if (!funcs || !funcs->atomic_check) continue; - ret = funcs->atomic_check(crtc, state->crtc_states[i]); + ret = funcs->atomic_check(crtc, crtc_state); if (ret) { DRM_DEBUG_ATOMIC("[CRTC:%d:%s] atomic driver check failed\n", crtc->base.id, crtc->name); @@ -1252,16 +1256,12 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); int drm_atomic_helper_prepare_planes(struct drm_device *dev, struct drm_atomic_state *state) { - int nplanes = dev->mode_config.num_total_plane; - int ret, i; + struct drm_plane *plane; + struct drm_plane_state *plane_state; + int ret, i, j; - for (i = 0; i < nplanes; i++) { + for_each_plane_in_state(state, plane, plane_state, i) { const struct drm_plane_helper_funcs *funcs; - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *plane_state = state->plane_states[i]; - - if (!plane) - continue; funcs = plane->helper_private; @@ -1275,12 +1275,10 @@ int drm_atomic_helper_prepare_planes(struct drm_device *dev, return 0; fail: - for (i--; i >= 0; i--) { + for_each_plane_in_state(state, plane, plane_state, j) { const struct drm_plane_helper_funcs *funcs; - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *plane_state = state->plane_states[i]; - if (!plane) + if (j >= i) continue; funcs = plane->helper_private; @@ -1567,37 +1565,28 @@ void drm_atomic_helper_swap_state(struct drm_device *dev, struct drm_atomic_state *state) { int i; + struct drm_connector *connector; + struct drm_connector_state *conn_state; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_plane *plane; + struct drm_plane_state *plane_state; - for (i = 0; i < state->num_connector; i++) { - struct drm_connector *connector = state->connectors[i]; - - if (!connector) - continue; - + for_each_connector_in_state(state, connector, conn_state, i) { connector->state->state = state; - swap(state->connector_states[i], connector->state); + swap(state->connectors[i].state, connector->state); connector->state->state = NULL; } - for (i = 0; i < dev->mode_config.num_crtc; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - - if (!crtc) - continue; - + for_each_crtc_in_state(state, crtc, crtc_state, i) { crtc->state->state = state; - swap(state->crtc_states[i], crtc->state); + swap(state->crtcs[i].state, crtc->state); crtc->state->state = NULL; } - for (i = 0; i < dev->mode_config.num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; - - if (!plane) - continue; - + for_each_plane_in_state(state, plane, plane_state, i) { plane->state->state = state; - swap(state->plane_states[i], plane->state); + swap(state->planes[i].state, plane->state); plane->state->state = NULL; } } @@ -2412,7 +2401,7 @@ EXPORT_SYMBOL(drm_atomic_helper_page_flip); * This is the main helper function provided by the atomic helper framework for * implementing the legacy DPMS connector interface. It computes the new desired * ->active state for the corresponding CRTC (if the connector is enabled) and - * updates it. + * updates it. * * Returns: * Returns 0 on success, negative errno numbers on failure. @@ -2933,16 +2922,15 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state); * @red: red correction table * @green: green correction table * @blue: green correction table - * @start: * @size: size of the tables * * Implements support for legacy gamma correction table for drivers * that support color management through the DEGAMMA_LUT/GAMMA_LUT * properties. */ -void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, - u16 *red, u16 *green, u16 *blue, - uint32_t start, uint32_t size) +int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, + u16 *red, u16 *green, u16 *blue, + uint32_t size) { struct drm_device *dev = crtc->dev; struct drm_mode_config *config = &dev->mode_config; @@ -2954,7 +2942,7 @@ void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, state = drm_atomic_state_alloc(crtc->dev); if (!state) - return; + return -ENOMEM; blob = drm_property_create_blob(dev, sizeof(struct drm_color_lut) * size, @@ -3005,7 +2993,7 @@ retry: drm_property_unreference_blob(blob); - return; + return 0; fail: if (ret == -EDEADLK) goto backoff; @@ -3013,7 +3001,7 @@ fail: drm_atomic_state_free(state); drm_property_unreference_blob(blob); - return; + return ret; backoff: drm_atomic_state_clear(state); drm_atomic_legacy_backoff(state); diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index b3654404abd0..255543086590 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -36,7 +36,7 @@ * encoder chain. * * A bridge is always attached to a single &drm_encoder at a time, but can be - * either connected to it directly, or through an intermediate bridge: + * either connected to it directly, or through an intermediate bridge:: * * encoder ---> bridge B ---> bridge A * diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 1e28eeefcd65..da2f28ea5fad 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -535,7 +535,7 @@ EXPORT_SYMBOL(drm_framebuffer_unregister_private); * * Cleanup framebuffer. This function is intended to be used from the drivers * ->destroy callback. It can also be used to clean up driver private - * framebuffers embedded into a larger structure. + * framebuffers embedded into a larger structure. * * Note that this function does not remove the fb from active usuage - if it is * still used anywhere, hilarity can ensue since userspace could call getfb on @@ -692,7 +692,7 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, crtc->base.properties = &crtc->properties; list_add_tail(&crtc->head, &config->crtc_list); - config->num_crtc++; + crtc->index = config->num_crtc++; crtc->primary = primary; crtc->cursor = cursor; @@ -722,6 +722,11 @@ void drm_crtc_cleanup(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; + /* Note that the crtc_list is considered to be static; should we + * remove the drm_crtc at runtime we would have to decrement all + * the indices on the drm_crtc after us in the crtc_list. + */ + kfree(crtc->gamma_store); crtc->gamma_store = NULL; @@ -741,29 +746,6 @@ void drm_crtc_cleanup(struct drm_crtc *crtc) } EXPORT_SYMBOL(drm_crtc_cleanup); -/** - * drm_crtc_index - find the index of a registered CRTC - * @crtc: CRTC to find index for - * - * Given a registered CRTC, return the index of that CRTC within a DRM - * device's list of CRTCs. - */ -unsigned int drm_crtc_index(struct drm_crtc *crtc) -{ - unsigned int index = 0; - struct drm_crtc *tmp; - - drm_for_each_crtc(tmp, crtc->dev) { - if (tmp == crtc) - return index; - - index++; - } - - BUG(); -} -EXPORT_SYMBOL(drm_crtc_index); - /* * drm_mode_remove - remove and free a mode * @connector: connector list to modify @@ -1166,7 +1148,7 @@ int drm_encoder_init(struct drm_device *dev, } list_add_tail(&encoder->head, &dev->mode_config.encoder_list); - dev->mode_config.num_encoder++; + encoder->index = dev->mode_config.num_encoder++; out_put: if (ret) @@ -1180,29 +1162,6 @@ out_unlock: EXPORT_SYMBOL(drm_encoder_init); /** - * drm_encoder_index - find the index of a registered encoder - * @encoder: encoder to find index for - * - * Given a registered encoder, return the index of that encoder within a DRM - * device's list of encoders. - */ -unsigned int drm_encoder_index(struct drm_encoder *encoder) -{ - unsigned int index = 0; - struct drm_encoder *tmp; - - drm_for_each_encoder(tmp, encoder->dev) { - if (tmp == encoder) - return index; - - index++; - } - - BUG(); -} -EXPORT_SYMBOL(drm_encoder_index); - -/** * drm_encoder_cleanup - cleans up an initialised encoder * @encoder: encoder to cleanup * @@ -1212,6 +1171,11 @@ void drm_encoder_cleanup(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; + /* Note that the encoder_list is considered to be static; should we + * remove the drm_encoder at runtime we would have to decrement all + * the indices on the drm_encoder after us in the encoder_list. + */ + drm_modeset_lock_all(dev); drm_mode_object_unregister(dev, &encoder->base); kfree(encoder->name); @@ -1300,7 +1264,7 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, plane->type = type; list_add_tail(&plane->head, &config->plane_list); - config->num_total_plane++; + plane->index = config->num_total_plane++; if (plane->type == DRM_PLANE_TYPE_OVERLAY) config->num_overlay_plane++; @@ -1374,6 +1338,11 @@ void drm_plane_cleanup(struct drm_plane *plane) BUG_ON(list_empty(&plane->head)); + /* Note that the plane_list is considered to be static; should we + * remove the drm_plane at runtime we would have to decrement all + * the indices on the drm_plane after us in the plane_list. + */ + list_del(&plane->head); dev->mode_config.num_total_plane--; if (plane->type == DRM_PLANE_TYPE_OVERLAY) @@ -1391,29 +1360,6 @@ void drm_plane_cleanup(struct drm_plane *plane) EXPORT_SYMBOL(drm_plane_cleanup); /** - * drm_plane_index - find the index of a registered plane - * @plane: plane to find index for - * - * Given a registered plane, return the index of that CRTC within a DRM - * device's list of planes. - */ -unsigned int drm_plane_index(struct drm_plane *plane) -{ - unsigned int index = 0; - struct drm_plane *tmp; - - drm_for_each_plane(tmp, plane->dev) { - if (tmp == plane) - return index; - - index++; - } - - BUG(); -} -EXPORT_SYMBOL(drm_plane_index); - -/** * drm_plane_from_index - find the registered plane at an index * @dev: DRM device * @idx: index of registered plane to find for @@ -1425,13 +1371,11 @@ struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx) { struct drm_plane *plane; - unsigned int i = 0; - drm_for_each_plane(plane, dev) { - if (i == idx) + drm_for_each_plane(plane, dev) + if (idx == plane->index) return plane; - i++; - } + return NULL; } EXPORT_SYMBOL(drm_plane_from_index); @@ -5227,7 +5171,7 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev, goto out; } - crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); + ret = crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); out: drm_modeset_unlock_all(dev); diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 5075fae3c4e2..2e7ef0b325e2 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -23,6 +23,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_fb_cma_helper.h> +#include <linux/dma-mapping.h> #include <linux/module.h> #define DEFAULT_FBDEFIO_DELAY_MS 50 @@ -52,7 +53,7 @@ struct drm_fbdev_cma { * will be set up automatically. dirty() is called by * drm_fb_helper_deferred_io() in process context (struct delayed_work). * - * Example fbdev deferred io code: + * Example fbdev deferred io code:: * * static int driver_fbdev_fb_dirty(struct drm_framebuffer *fb, * struct drm_file *file_priv, @@ -162,6 +163,10 @@ static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev, * drm_fb_cma_create_with_funcs() - helper function for the * &drm_mode_config_funcs ->fb_create * callback function + * @dev: DRM device + * @file_priv: drm file for the ioctl call + * @mode_cmd: metadata from the userspace fb creation request + * @funcs: vtable to be used for the new framebuffer object * * This can be used to set &drm_framebuffer_funcs for drivers that need the * dirty() callback. Use drm_fb_cma_create() if you don't need to change @@ -223,6 +228,9 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_create_with_funcs); /** * drm_fb_cma_create() - &drm_mode_config_funcs ->fb_create callback function + * @dev: DRM device + * @file_priv: drm file for the ioctl call + * @mode_cmd: metadata from the userspace fb creation request * * If your hardware has special alignment or pitch requirements these should be * checked before calling this function. Use drm_fb_cma_create_with_funcs() if @@ -246,7 +254,7 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_create); * This function will usually be called from the CRTC callback functions. */ struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb, - unsigned int plane) + unsigned int plane) { struct drm_fb_cma *fb_cma = to_fb_cma(fb); @@ -258,10 +266,6 @@ struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb, EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_obj); #ifdef CONFIG_DEBUG_FS -/* - * drm_fb_cma_describe() - Helper to dump information about a single - * CMA framebuffer object - */ static void drm_fb_cma_describe(struct drm_framebuffer *fb, struct seq_file *m) { struct drm_fb_cma *fb_cma = to_fb_cma(fb); @@ -279,7 +283,9 @@ static void drm_fb_cma_describe(struct drm_framebuffer *fb, struct seq_file *m) /** * drm_fb_cma_debugfs_show() - Helper to list CMA framebuffer objects - * in debugfs. + * in debugfs. + * @m: output file + * @arg: private data for the callback */ int drm_fb_cma_debugfs_show(struct seq_file *m, void *arg) { @@ -297,6 +303,12 @@ int drm_fb_cma_debugfs_show(struct seq_file *m, void *arg) EXPORT_SYMBOL_GPL(drm_fb_cma_debugfs_show); #endif +static int drm_fb_cma_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + return dma_mmap_writecombine(info->device, vma, info->screen_base, + info->fix.smem_start, info->fix.smem_len); +} + static struct fb_ops drm_fbdev_cma_ops = { .owner = THIS_MODULE, .fb_fillrect = drm_fb_helper_sys_fillrect, @@ -307,6 +319,7 @@ static struct fb_ops drm_fbdev_cma_ops = { .fb_blank = drm_fb_helper_blank, .fb_pan_display = drm_fb_helper_pan_display, .fb_setcmap = drm_fb_helper_setcmap, + .fb_mmap = drm_fb_cma_mmap, }; static int drm_fbdev_cma_deferred_io_mmap(struct fb_info *info, diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 7590df5e2e72..ba5aac7276e4 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -227,7 +227,7 @@ static void drm_fb_helper_restore_lut_atomic(struct drm_crtc *crtc) g_base = r_base + crtc->gamma_size; b_base = g_base + crtc->gamma_size; - crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); + crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); } /** @@ -1971,7 +1971,18 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, my_score++; connector_funcs = connector->helper_private; - encoder = connector_funcs->best_encoder(connector); + + /* + * If the DRM device implements atomic hooks and ->best_encoder() is + * NULL we fallback to the default drm_atomic_helper_best_encoder() + * helper. + */ + if (fb_helper->dev->mode_config.funcs->atomic_commit && + !connector_funcs->best_encoder) + encoder = drm_atomic_helper_best_encoder(connector); + else + encoder = connector_funcs->best_encoder(connector); + if (!encoder) goto out; diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 7af7f8bcb355..64121f567234 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -67,7 +67,7 @@ DEFINE_MUTEX(drm_global_mutex); * specific implementations. For GEM-based drivers this is drm_gem_mmap(). * * No other file operations are supported by the DRM userspace API. Overall the - * following is an example #file_operations structure: + * following is an example #file_operations structure:: * * static const example_drm_fops = { * .owner = THIS_MODULE, @@ -368,7 +368,7 @@ static void drm_events_release(struct drm_file *file_priv) /* Remove unconsumed events */ list_for_each_entry_safe(e, et, &file_priv->event_list, link) { list_del(&e->link); - e->destroy(e); + kfree(e); } spin_unlock_irqrestore(&dev->event_lock, flags); @@ -636,7 +636,7 @@ put_back_event: } ret += length; - e->destroy(e); + kfree(e); } } mutex_unlock(&file_priv->event_read_lock); @@ -713,9 +713,6 @@ int drm_event_reserve_init_locked(struct drm_device *dev, list_add(&p->pending_link, &file_priv->pending_event_list); p->file_priv = file_priv; - /* we *could* pass this in as arg, but everyone uses kfree: */ - p->destroy = (void (*) (struct drm_pending_event *)) kfree; - return 0; } EXPORT_SYMBOL(drm_event_reserve_init_locked); @@ -778,7 +775,7 @@ void drm_event_cancel_free(struct drm_device *dev, list_del(&p->pending_link); } spin_unlock_irqrestore(&dev->event_lock, flags); - p->destroy(p); + kfree(p); } EXPORT_SYMBOL(drm_event_cancel_free); @@ -800,8 +797,13 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e) { assert_spin_locked(&dev->event_lock); + if (e->fence) { + fence_signal(e->fence); + fence_put(e->fence); + } + if (!e->file_priv) { - e->destroy(e); + kfree(e); return; } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 32156060b9c9..5c19dde1cd31 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -787,7 +787,7 @@ EXPORT_SYMBOL(drm_gem_object_release); * @kref: kref of the object to free * * Called after the last reference to the object has been lost. - * Must be called holding struct_ mutex + * Must be called holding &drm_device->struct_mutex. * * Frees the object */ diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 5a773e437e2f..4dc41ff388f9 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -89,11 +89,7 @@ static void store_vblank(struct drm_device *dev, unsigned int pipe, write_sequnlock(&vblank->seqlock); } -/** - * drm_reset_vblank_timestamp - reset the last timestamp to the last vblank - * @dev: DRM device - * @pipe: index of CRTC for which to reset the timestamp - * +/* * Reset the stored timestamp for the current vblank count to correspond * to the last vblank occurred. * @@ -137,11 +133,7 @@ static void drm_reset_vblank_timestamp(struct drm_device *dev, unsigned int pipe spin_unlock(&dev->vblank_time_lock); } -/** - * drm_update_vblank_count - update the master vblank counter - * @dev: DRM device - * @pipe: counter to update - * +/* * Call back into the driver to update the appropriate vblank counter * (specified by @pipe). Deal with wraparound, if it occurred, and * update the last read value so we can deal with wraparound on the next diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index f5d80839a90c..7938ce7ebed8 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -983,6 +983,28 @@ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on); /** + * mipi_dsi_set_tear_scanline() - turn on the display module's Tearing Effect + * output signal on the TE signal line when display module reaches line N + * defined by STS[n:0]. + * @dsi: DSI peripheral device + * @param: STS[10:0] + * Return: 0 on success or a negative error code on failure + */ +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, u16 param) +{ + u8 payload[3] = { MIPI_DCS_SET_TEAR_SCANLINE, param >> 8, + param & 0xff }; + ssize_t err; + + err = mipi_dsi_generic_write(dsi, payload, sizeof(payload)); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_set_tear_scanline); + +/** * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image * data used by the interface * @dsi: DSI peripheral device diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index e5e6f504d8cc..fc5040ae5f25 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -544,6 +544,7 @@ EXPORT_SYMBOL(drm_gtf_mode_complex); * * This function is to create the modeline based on the GTF algorithm. * Generalized Timing Formula is derived from: + * * GTF Spreadsheet by Andy Morrish (1/5/97) * available at http://www.vesa.org * @@ -552,7 +553,8 @@ EXPORT_SYMBOL(drm_gtf_mode_complex); * I also refer to the function of fb_get_mode in the file of * drivers/video/fbmon.c * - * Standard GTF parameters: + * Standard GTF parameters:: + * * M = 600 * C = 40 * K = 128 diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index f33ebe638a28..61146f5b4f56 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c @@ -37,7 +37,7 @@ * * For basic principles of &ww_mutex, see: Documentation/locking/ww-mutex-design.txt * - * The basic usage pattern is to: + * The basic usage pattern is to:: * * drm_modeset_acquire_init(&ctx) * retry: diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 369d2898ff9e..fc51306fe365 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -219,10 +219,12 @@ EXPORT_SYMBOL(drm_plane_helper_check_update); * * Note that we make some assumptions about hardware limitations that may not be * true for all hardware -- - * 1) Primary plane cannot be repositioned. - * 2) Primary plane cannot be scaled. - * 3) Primary plane must cover the entire CRTC. - * 4) Subpixel positioning is not supported. + * + * 1. Primary plane cannot be repositioned. + * 2. Primary plane cannot be scaled. + * 3. Primary plane must cover the entire CRTC. + * 4. Subpixel positioning is not supported. + * * Drivers for hardware that don't have these restrictions can provide their * own implementation rather than using this helper. * diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 0329080d7f7c..a0df377d7d1c 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -82,13 +82,30 @@ drm_mode_validate_flag(const struct drm_display_mode *mode, static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector) { + struct drm_cmdline_mode *cmdline_mode; struct drm_display_mode *mode; - if (!connector->cmdline_mode.specified) + cmdline_mode = &connector->cmdline_mode; + if (!cmdline_mode->specified) return 0; + /* Only add a GTF mode if we find no matching probed modes */ + list_for_each_entry(mode, &connector->probed_modes, head) { + if (mode->hdisplay != cmdline_mode->xres || + mode->vdisplay != cmdline_mode->yres) + continue; + + if (cmdline_mode->refresh_specified) { + /* The probed mode's vrefresh is set until later */ + if (drm_mode_vrefresh(mode) != cmdline_mode->refresh) + continue; + } + + return 0; + } + mode = drm_mode_create_from_cmdline_mode(connector->dev, - &connector->cmdline_mode); + cmdline_mode); if (mode == NULL) return 0; diff --git a/drivers/gpu/drm/drm_vma_manager.c b/drivers/gpu/drm/drm_vma_manager.c index 2f2ecde8285b..f306c8855978 100644 --- a/drivers/gpu/drm/drm_vma_manager.c +++ b/drivers/gpu/drm/drm_vma_manager.c @@ -127,6 +127,9 @@ EXPORT_SYMBOL(drm_vma_offset_manager_destroy); * used to implement weakly referenced lookups using kref_get_unless_zero(). * * Example: + * + * :: + * * drm_vma_offset_lock_lookup(mgr); * node = drm_vma_offset_lookup_locked(mgr); * if (node) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h index f5321e2f25ff..a69cdd526bf8 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h @@ -125,7 +125,7 @@ struct etnaviv_gpu { u32 completed_fence; u32 retired_fence; wait_queue_head_t fence_event; - unsigned int fence_context; + u64 fence_context; spinlock_t fence_spinlock; /* worker for handling active-list retiring: */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 2dd820e23b0c..843b21c540b3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -267,6 +267,8 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, { struct exynos_drm_private *priv = dev->dev_private; struct exynos_atomic_commit *commit; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; int i, ret; commit = kzalloc(sizeof(*commit), GFP_KERNEL); @@ -288,10 +290,8 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, /* Wait until all affected CRTCs have completed previous commits and * mark them as pending. */ - for (i = 0; i < dev->mode_config.num_crtc; ++i) { - if (state->crtcs[i]) - commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]); - } + for_each_crtc_in_state(state, crtc, crtc_state, i) + commit->crtcs |= drm_crtc_mask(crtc); wait_event(priv->wait, !commit_is_pending(priv, commit->crtcs)); diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index c95406e6f44d..5b636bf0b467 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -175,20 +175,21 @@ void gma_crtc_load_lut(struct drm_crtc *crtc) } } -void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, - u32 start, u32 size) +int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, + u32 size) { struct gma_crtc *gma_crtc = to_gma_crtc(crtc); int i; - int end = (start + size > 256) ? 256 : start + size; - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { gma_crtc->lut_r[i] = red[i] >> 8; gma_crtc->lut_g[i] = green[i] >> 8; gma_crtc->lut_b[i] = blue[i] >> 8; } gma_crtc_load_lut(crtc); + + return 0; } /** diff --git a/drivers/gpu/drm/gma500/gma_display.h b/drivers/gpu/drm/gma500/gma_display.h index b2491c65f053..e72dd08b701b 100644 --- a/drivers/gpu/drm/gma500/gma_display.h +++ b/drivers/gpu/drm/gma500/gma_display.h @@ -72,8 +72,8 @@ extern int gma_crtc_cursor_set(struct drm_crtc *crtc, uint32_t width, uint32_t height); extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); extern void gma_crtc_load_lut(struct drm_crtc *crtc); -extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, u32 start, u32 size); +extern int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, u32 size); extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode); extern void gma_crtc_prepare(struct drm_crtc *crtc); extern void gma_crtc_commit(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e3077259541a..482c10913ad6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -886,7 +886,7 @@ enum skl_disp_power_wells { * PLLs can be routed to any transcoder A/B/C. * * Note: DDI0 is digital port B, DD1 is digital port C, and DDI2 is - * digital port D (CHV) or port A (BXT). + * digital port D (CHV) or port A (BXT). :: * * * Dual channel PHY (VLV/CHV/BXT) diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index d5a7a5e7ee7e..004326291854 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -150,28 +150,28 @@ static int vgt_balloon_space(struct drm_mm *mm, * of its graphic space being zero. Yet there are some portions ballooned out( * the shadow part, which are marked as reserved by drm allocator). From the * host point of view, the graphic address space is partitioned by multiple - * vGPUs in different VMs. + * vGPUs in different VMs. :: * * vGPU1 view Host view * 0 ------> +-----------+ +-----------+ - * ^ |///////////| | vGPU3 | - * | |///////////| +-----------+ - * | |///////////| | vGPU2 | + * ^ |###########| | vGPU3 | + * | |###########| +-----------+ + * | |###########| | vGPU2 | * | +-----------+ +-----------+ * mappable GM | available | ==> | vGPU1 | * | +-----------+ +-----------+ - * | |///////////| | | - * v |///////////| | Host | + * | |###########| | | + * v |###########| | Host | * +=======+===========+ +===========+ - * ^ |///////////| | vGPU3 | - * | |///////////| +-----------+ - * | |///////////| | vGPU2 | + * ^ |###########| | vGPU3 | + * | |###########| +-----------+ + * | |###########| | vGPU2 | * | +-----------+ +-----------+ * unmappable GM | available | ==> | vGPU1 | * | +-----------+ +-----------+ - * | |///////////| | | - * | |///////////| | Host | - * v |///////////| | | + * | |###########| | | + * | |###########| | Host | + * v |###########| | | * total GM size ------> +-----------+ +-----------+ * * Returns: diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 50ff90aea721..c5a166752eda 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -191,7 +191,7 @@ int intel_atomic_setup_scalers(struct drm_device *dev, /* plane scaler case: assign as a plane scaler */ /* find the plane that set the bit as scaler_user */ - plane = drm_state->planes[i]; + plane = drm_state->planes[i].ptr; /* * to enable/disable hq mode, add planes that are using scaler @@ -223,7 +223,8 @@ int intel_atomic_setup_scalers(struct drm_device *dev, continue; } - plane_state = to_intel_plane_state(drm_state->plane_states[i]); + plane_state = intel_atomic_get_existing_plane_state(drm_state, + intel_plane); scaler_id = &plane_state->scaler_id; } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index cccf9bc7c7d6..2834ca5216b2 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5214,14 +5214,14 @@ void intel_edp_drrs_flush(struct drm_device *dev, * * DRRS saves power by switching to low RR based on usage scenarios. * - * eDP DRRS:- - * The implementation is based on frontbuffer tracking implementation. - * When there is a disturbance on the screen triggered by user activity or a - * periodic system activity, DRRS is disabled (RR is changed to high RR). - * When there is no movement on screen, after a timeout of 1 second, a switch - * to low RR is made. - * For integration with frontbuffer tracking code, - * intel_edp_drrs_invalidate() and intel_edp_drrs_flush() are called. + * The implementation is based on frontbuffer tracking implementation. When + * there is a disturbance on the screen triggered by user activity or a periodic + * system activity, DRRS is disabled (RR is changed to high RR). When there is + * no movement on screen, after a timeout of 1 second, a switch to low RR is + * made. + * + * For integration with frontbuffer tracking code, intel_edp_drrs_invalidate() + * and intel_edp_drrs_flush() are called. * * DRRS can be further extended to support other internal panels and also * the scenario of video playback wherein RR is set based on the rate diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 0dea5fbcd8aa..45ee07b888a0 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -374,8 +374,9 @@ static void intel_fbc_hw_deactivate(struct drm_i915_private *dev_priv) * @dev_priv: i915 device instance * * This function is used to verify the current state of FBC. + * * FIXME: This should be tracked in the plane config eventually - * instead of queried at runtime for most callers. + * instead of queried at runtime for most callers. */ bool intel_fbc_is_active(struct drm_i915_private *dev_priv) { diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index d347dca17267..6b21cb27e1cc 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1352,19 +1352,20 @@ static void mga_crtc_commit(struct drm_crtc *crtc) * use this for 8-bit mode so can't perform smooth fades on deeper modes, * but it's a requirement that we provide the function */ -static void mga_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int mga_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct mga_crtc *mga_crtc = to_mga_crtc(crtc); - int end = (start + size > MGAG200_LUT_SIZE) ? MGAG200_LUT_SIZE : start + size; int i; - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { mga_crtc->lut_r[i] = red[i] >> 8; mga_crtc->lut_g[i] = green[i] >> 8; mga_crtc->lut_b[i] = blue[i] >> 8; } mga_crtc_load_lut(crtc); + + return 0; } /* Simple cleanup function */ diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c index 67442d50a6c2..f145d256e332 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c @@ -106,31 +106,27 @@ out: static void mdp4_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *state) { struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms)); - int i, ncrtcs = state->dev->mode_config.num_crtc; + int i; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; mdp4_enable(mdp4_kms); /* see 119ecb7fd */ - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - if (!crtc) - continue; + for_each_crtc_in_state(state, crtc, crtc_state, i) drm_crtc_vblank_get(crtc); - } } static void mdp4_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state) { struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms)); - int i, ncrtcs = state->dev->mode_config.num_crtc; + int i; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; /* see 119ecb7fd */ - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - if (!crtc) - continue; + for_each_crtc_in_state(state, crtc, crtc_state, i) drm_crtc_vblank_put(crtc); - } mdp4_disable(mdp4_kms); } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 88fe256c1931..4e8ed739f558 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -374,6 +374,7 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct plane_state pstates[STAGE_MAX + 1]; const struct mdp5_cfg_hw *hw_cfg; + const struct drm_plane_state *pstate; int cnt = 0, i; DBG("%s: check", mdp5_crtc->name); @@ -382,20 +383,13 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, * and that we don't have conflicting mixer stages: */ hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); - drm_atomic_crtc_state_for_each_plane(plane, state) { - struct drm_plane_state *pstate; + drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) { if (cnt >= (hw_cfg->lm.nb_stages)) { dev_err(dev->dev, "too many planes!\n"); return -EINVAL; } - pstate = state->state->plane_states[drm_plane_index(plane)]; - /* plane might not have changed, in which case take - * current state: - */ - if (!pstate) - pstate = plane->state; pstates[cnt].plane = plane; pstates[cnt].state = to_mdp5_plane_state(pstate); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 484b4d15e71d..f0c285b1c027 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -78,17 +78,11 @@ static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *s { int i; struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); - int nplanes = mdp5_kms->dev->mode_config.num_total_plane; - - for (i = 0; i < nplanes; i++) { - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *plane_state = state->plane_states[i]; - - if (!plane) - continue; + struct drm_plane *plane; + struct drm_plane_state *plane_state; + for_each_plane_in_state(state, plane, plane_state, i) mdp5_plane_complete_commit(plane, plane_state); - } mdp5_disable(mdp5_kms); } diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index e3892c263f27..8c3b463620bd 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -84,17 +84,12 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev, struct drm_atomic_state *old_state) { struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; struct msm_drm_private *priv = old_state->dev->dev_private; struct msm_kms *kms = priv->kms; - int ncrtcs = old_state->dev->mode_config.num_crtc; int i; - for (i = 0; i < ncrtcs; i++) { - crtc = old_state->crtcs[i]; - - if (!crtc) - continue; - + for_each_crtc_in_state(old_state, crtc, crtc_state, i) { if (!crtc->state->enable) continue; @@ -192,9 +187,11 @@ int msm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock) { struct msm_drm_private *priv = dev->dev_private; - int nplanes = dev->mode_config.num_total_plane; - int ncrtcs = dev->mode_config.num_crtc; struct msm_commit *c; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_plane *plane; + struct drm_plane_state *plane_state; int i, ret; ret = drm_atomic_helper_prepare_planes(dev, state); @@ -210,28 +207,18 @@ int msm_atomic_commit(struct drm_device *dev, /* * Figure out what crtcs we have: */ - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - if (!crtc) - continue; - c->crtc_mask |= (1 << drm_crtc_index(crtc)); - } + for_each_crtc_in_state(state, crtc, crtc_state, i) + c->crtc_mask |= drm_crtc_mask(crtc); /* * Figure out what fence to wait for: */ - for (i = 0; i < nplanes; i++) { - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *new_state = state->plane_states[i]; - - if (!plane) - continue; - - if ((plane->state->fb != new_state->fb) && new_state->fb) { - struct drm_gem_object *obj = msm_framebuffer_bo(new_state->fb, 0); + for_each_plane_in_state(state, plane, plane_state, i) { + if ((plane->state->fb != plane_state->fb) && plane_state->fb) { + struct drm_gem_object *obj = msm_framebuffer_bo(plane_state->fb, 0); struct msm_gem_object *msm_obj = to_msm_bo(obj); - new_state->fence = reservation_object_get_excl_rcu(msm_obj->resv); + plane_state->fence = reservation_object_get_excl_rcu(msm_obj->resv); } } diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c index 6f318c54da33..0cb7a18cde26 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c @@ -785,14 +785,14 @@ nv_crtc_disable(struct drm_crtc *crtc) nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]); } -static void -nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, +static int +nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t size) { - int end = (start + size > 256) ? 256 : start + size, i; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + int i; - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { nv_crtc->lut.r[i] = r[i]; nv_crtc->lut.g[i] = g[i]; nv_crtc->lut.b[i] = b[i]; @@ -805,10 +805,12 @@ nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, */ if (!nv_crtc->base.primary->fb) { nv_crtc->lut.depth = 0; - return; + return 0; } nv_crtc_gamma_load(crtc); + + return 0; } static int diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h index 2e3a62d38fe9..64c4ce7115ad 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.h +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -57,7 +57,8 @@ struct nouveau_fence_priv { int (*context_new)(struct nouveau_channel *); void (*context_del)(struct nouveau_channel *); - u32 contexts, context_base; + u32 contexts; + u64 context_base; bool uevent; }; diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.c b/drivers/gpu/drm/nouveau/nouveau_usif.c index 675e9e077a95..08f9c6fa0f7f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_usif.c +++ b/drivers/gpu/drm/nouveau/nouveau_usif.c @@ -212,7 +212,6 @@ usif_notify_get(struct drm_file *f, void *data, u32 size, void *argv, u32 argc) ntfy->p->base.event = &ntfy->p->e.base; ntfy->p->base.file_priv = f; ntfy->p->base.pid = current->pid; - ntfy->p->base.destroy =(void(*)(struct drm_pending_event *))kfree; ntfy->p->e.base.type = DRM_NOUVEAU_EVENT_NVIF; ntfy->p->e.base.length = sizeof(ntfy->p->e.base) + ntfy->reply; diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 3ffc2b0057bf..7a7788212df7 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -1346,21 +1346,22 @@ nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) return 0; } -static void +static int nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t start, uint32_t size) + uint32_t size) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - u32 end = min_t(u32, start + size, 256); u32 i; - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { nv_crtc->lut.r[i] = r[i]; nv_crtc->lut.g[i] = g[i]; nv_crtc->lut.b[i] = b[i]; } nv50_crtc_lut_load(crtc); + + return 0; } static void diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index d86f5479345b..d9848f1fc4e8 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -142,8 +142,9 @@ static int omap_atomic_commit(struct drm_device *dev, { struct omap_drm_private *priv = dev->dev_private; struct omap_atomic_state_commit *commit; - unsigned int i; - int ret; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + int i, ret; ret = drm_atomic_helper_prepare_planes(dev, state); if (ret) @@ -163,10 +164,8 @@ static int omap_atomic_commit(struct drm_device *dev, /* Wait until all affected CRTCs have completed previous commits and * mark them as pending. */ - for (i = 0; i < dev->mode_config.num_crtc; ++i) { - if (state->crtcs[i]) - commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]); - } + for_each_crtc_in_state(state, crtc, crtc_state, i) + commit->crtcs |= drm_crtc_mask(crtc); wait_event(priv->commit.wait, !omap_atomic_is_pending(priv, commit)); diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 5bc36c4d4232..ad429683fef7 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -221,7 +221,6 @@ static int qxl_crtc_page_flip(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct qxl_device *qdev = dev->dev_private; - struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); @@ -252,14 +251,14 @@ static int qxl_crtc_page_flip(struct drm_crtc *crtc, qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, &norect, one_clip_rect, inc); - drm_vblank_get(dev, qcrtc->index); + drm_crtc_vblank_get(crtc); if (event) { spin_lock_irqsave(&dev->event_lock, flags); - drm_send_vblank_event(dev, qcrtc->index, event); + drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&dev->event_lock, flags); } - drm_vblank_put(dev, qcrtc->index); + drm_crtc_vblank_put(crtc); ret = qxl_bo_reserve(bo, false); if (!ret) { diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index 5ea57f6320b8..df2657051afd 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -131,10 +131,6 @@ static int qxlfb_create_pinned_object(struct qxl_fbdev *qfbdev, int ret; int aligned_size, size; int height = mode_cmd->height; - int bpp; - int depth; - - drm_fb_get_bpp_depth(mode_cmd->pixel_format, &bpp, &depth); size = mode_cmd->pitches[0] * height; aligned_size = ALIGN(size, PAGE_SIZE); diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index 4efa8e261baf..f599cd073b72 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -96,7 +96,7 @@ retry: return 0; if (have_drawable_releases && sc > 300) { - FENCE_WARN(fence, "failed to wait on release %d " + FENCE_WARN(fence, "failed to wait on release %llu " "after spincount %d\n", fence->context & ~0xf0000000, sc); goto signaled; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 80b24a495d6c..5633ee3eb46e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2386,7 +2386,7 @@ struct radeon_device { struct radeon_mman mman; struct radeon_fence_driver fence_drv[RADEON_NUM_RINGS]; wait_queue_head_t fence_queue; - unsigned fence_context; + u64 fence_context; struct mutex ring_lock; struct radeon_ring ring[RADEON_NUM_RINGS]; bool ib_pool_ready; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 6a41b4982647..e85c7a2f565b 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -231,19 +231,21 @@ void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, *blue = radeon_crtc->lut_b[regno] << 6; } -static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t start, uint32_t size) +static int radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - int end = (start + size > 256) ? 256 : start + size, i; + int i; /* userspace palettes are always correct as is */ - for (i = start; i < end; i++) { + for (i = 0; i < size; i++) { radeon_crtc->lut_r[i] = red[i] >> 6; radeon_crtc->lut_g[i] = green[i] >> 6; radeon_crtc->lut_b[i] = blue[i] >> 6; } radeon_crtc_load_lut(crtc); + + return 0; } static void radeon_crtc_destroy(struct drm_crtc *crtc) @@ -381,7 +383,7 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); - drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id); + drm_crtc_vblank_put(&radeon_crtc->base); radeon_irq_kms_pflip_irq_put(rdev, work->crtc_id); queue_work(radeon_crtc->flip_queue, &work->unpin_work); } @@ -598,7 +600,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, } work->base = base; - r = drm_vblank_get(crtc->dev, radeon_crtc->crtc_id); + r = drm_crtc_vblank_get(crtc); if (r) { DRM_ERROR("failed to get vblank before flip\n"); goto pflip_cleanup; @@ -625,7 +627,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, return 0; vblank_cleanup: - drm_vblank_put(crtc->dev, radeon_crtc->crtc_id); + drm_crtc_vblank_put(&radeon_crtc->base); pflip_cleanup: if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) { @@ -688,6 +690,7 @@ radeon_crtc_set_config(struct drm_mode_set *set) pm_runtime_put_autosuspend(dev->dev); return ret; } + static const struct drm_crtc_funcs radeon_crtc_funcs = { .cursor_set2 = radeon_crtc_cursor_set2, .cursor_move = radeon_crtc_cursor_move, diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 38226d925a5b..4b6542538ff9 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -246,6 +246,7 @@ static void radeon_set_power_state(struct radeon_device *rdev) static void radeon_pm_set_clocks(struct radeon_device *rdev) { + struct drm_crtc *crtc; int i, r; /* no need to take locks, etc. if nothing's going to change */ @@ -274,26 +275,30 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) radeon_unmap_vram_bos(rdev); if (rdev->irq.installed) { - for (i = 0; i < rdev->num_crtc; i++) { + i = 0; + drm_for_each_crtc(crtc, rdev->ddev) { if (rdev->pm.active_crtcs & (1 << i)) { /* This can fail if a modeset is in progress */ - if (drm_vblank_get(rdev->ddev, i) == 0) + if (drm_crtc_vblank_get(crtc) == 0) rdev->pm.req_vblank |= (1 << i); else DRM_DEBUG_DRIVER("crtc %d no vblank, can glitch\n", i); } + i++; } } radeon_set_power_state(rdev); if (rdev->irq.installed) { - for (i = 0; i < rdev->num_crtc; i++) { + i = 0; + drm_for_each_crtc(crtc, rdev->ddev) { if (rdev->pm.req_vblank & (1 << i)) { rdev->pm.req_vblank &= ~(1 << i); - drm_vblank_put(rdev->ddev, i); + drm_crtc_vblank_put(crtc); } + i++; } } diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index e70a4f33d970..86c109b16876 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -288,6 +288,8 @@ static int rcar_du_atomic_commit(struct drm_device *dev, { struct rcar_du_device *rcdu = dev->dev_private; struct rcar_du_commit *commit; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; unsigned int i; int ret; @@ -309,10 +311,8 @@ static int rcar_du_atomic_commit(struct drm_device *dev, /* Wait until all affected CRTCs have completed previous commits and * mark them as pending. */ - for (i = 0; i < dev->mode_config.num_crtc; ++i) { - if (state->crtcs[i]) - commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]); - } + for_each_crtc_in_state(state, crtc, crtc_state, i) + commit->crtcs |= drm_crtc_mask(crtc); spin_lock(&rcdu->commit.wait.lock); ret = wait_event_interruptible_locked(rcdu->commit.wait, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index d445e67f78e1..bfe31ca870cc 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c @@ -140,18 +140,17 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, bool needs_realloc = false; unsigned int groups = 0; unsigned int i; + struct drm_plane *drm_plane; + struct drm_plane_state *drm_plane_state; /* Check if hardware planes need to be reallocated. */ - for (i = 0; i < dev->mode_config.num_total_plane; ++i) { + for_each_plane_in_state(state, drm_plane, drm_plane_state, i) { struct rcar_du_plane_state *plane_state; struct rcar_du_plane *plane; unsigned int index; - if (!state->planes[i]) - continue; - - plane = to_rcar_plane(state->planes[i]); - plane_state = to_rcar_plane_state(state->plane_states[i]); + plane = to_rcar_plane(drm_plane); + plane_state = to_rcar_plane_state(drm_plane_state); dev_dbg(rcdu->dev, "%s: checking plane (%u,%tu)\n", __func__, plane->group->index, plane - plane->group->planes); @@ -247,18 +246,15 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, } /* Reallocate hardware planes for each plane that needs it. */ - for (i = 0; i < dev->mode_config.num_total_plane; ++i) { + for_each_plane_in_state(state, drm_plane, drm_plane_state, i) { struct rcar_du_plane_state *plane_state; struct rcar_du_plane *plane; unsigned int crtc_planes; unsigned int free; int idx; - if (!state->planes[i]) - continue; - - plane = to_rcar_plane(state->planes[i]); - plane_state = to_rcar_plane_state(state->plane_states[i]); + plane = to_rcar_plane(drm_plane); + plane_state = to_rcar_plane_state(drm_plane_state); dev_dbg(rcdu->dev, "%s: allocating plane (%u,%tu)\n", __func__, plane->group->index, plane - plane->group->planes); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 1c4d5b5a70a2..5567fb43e674 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -889,7 +889,7 @@ static void vop_crtc_cancel_pending_vblank(struct drm_crtc *crtc, if (e && e->base.file_priv == file_priv) { vop->event = NULL; - e->base.destroy(&e->base); + kfree(&e->base); file_priv->event_space += sizeof(e->event); } spin_unlock_irqrestore(&drm->event_lock, flags); diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 1e154fc779d5..6547b1db460a 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -441,7 +441,7 @@ void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc) scrtc->event = NULL; if (event) { drm_crtc_send_vblank_event(&scrtc->crtc, event); - drm_vblank_put(dev, 0); + drm_crtc_vblank_put(&scrtc->crtc); } spin_unlock_irqrestore(&dev->event_lock, flags); } @@ -467,7 +467,7 @@ static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc, if (event) { event->pipe = 0; - drm_vblank_get(dev, 0); + drm_crtc_vblank_get(&scrtc->crtc); spin_lock_irqsave(&dev->event_lock, flags); scrtc->event = event; spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index b87afee44995..f92ea9579674 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -376,7 +376,7 @@ static int udl_crtc_page_flip(struct drm_crtc *crtc, spin_lock_irqsave(&dev->event_lock, flags); if (event) - drm_send_vblank_event(dev, 0, event); + drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&dev->event_lock, flags); crtc->primary->fb = fb; diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 904d0754ad78..4c0f26a644a3 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -175,20 +175,22 @@ vc4_crtc_lut_load(struct drm_crtc *crtc) HVS_WRITE(SCALER_GAMDATA, vc4_crtc->lut_b[i]); } -static void +static int vc4_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t start, uint32_t size) + uint32_t size) { struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); u32 i; - for (i = start; i < start + size; i++) { + for (i = 0; i < size; i++) { vc4_crtc->lut_r[i] = r[i] >> 8; vc4_crtc->lut_g[i] = g[i] >> 8; vc4_crtc->lut_b[i] = b[i] >> 8; } vc4_crtc_lut_load(crtc); + + return 0; } static u32 vc4_get_fifo_full_level(u32 format) @@ -395,6 +397,7 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc, struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_plane *plane; unsigned long flags; + const struct drm_plane_state *plane_state; u32 dlist_count = 0; int ret; @@ -404,18 +407,8 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc, if (hweight32(state->connector_mask) > 1) return -EINVAL; - drm_atomic_crtc_state_for_each_plane(plane, state) { - struct drm_plane_state *plane_state = - state->state->plane_states[drm_plane_index(plane)]; - - /* plane might not have changed, in which case take - * current state: - */ - if (!plane_state) - plane_state = plane->state; - + drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, state) dlist_count += vc4_plane_dlist_size(plane_state); - } dlist_count++; /* Account for SCALER_CTL0_END. */ diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 37cac59401d7..c799baabc008 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -469,7 +469,7 @@ int vc4_kms_load(struct drm_device *dev); struct drm_plane *vc4_plane_init(struct drm_device *dev, enum drm_plane_type type); u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist); -u32 vc4_plane_dlist_size(struct drm_plane_state *state); +u32 vc4_plane_dlist_size(const struct drm_plane_state *state); void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb); diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index cb37751bc99f..39c0b2048bfd 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -111,6 +111,8 @@ static int vc4_atomic_commit(struct drm_device *dev, int i; uint64_t wait_seqno = 0; struct vc4_commit *c; + struct drm_plane *plane; + struct drm_plane_state *new_state; c = commit_init(state); if (!c) @@ -130,13 +132,7 @@ static int vc4_atomic_commit(struct drm_device *dev, return ret; } - for (i = 0; i < dev->mode_config.num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *new_state = state->plane_states[i]; - - if (!plane) - continue; - + for_each_plane_in_state(state, plane, new_state, i) { if ((plane->state->fb != new_state->fb) && new_state->fb) { struct drm_gem_cma_object *cma_bo = drm_fb_cma_get_gem_obj(new_state->fb, 0); diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 4037b52fde31..5d2c3d9fd17a 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -690,9 +690,10 @@ u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist) return vc4_state->dlist_count; } -u32 vc4_plane_dlist_size(struct drm_plane_state *state) +u32 vc4_plane_dlist_size(const struct drm_plane_state *state) { - struct vc4_plane_state *vc4_state = to_vc4_plane_state(state); + const struct vc4_plane_state *vc4_state = + container_of(state, typeof(*vc4_state), base); return vc4_state->dlist_count; } diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index d4305da88f44..ba5e11ba9f3a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -156,7 +156,7 @@ static int virtio_gpu_page_flip(struct drm_crtc *crtc, if (event) { spin_lock_irqsave(&crtc->dev->event_lock, irqflags); - drm_send_vblank_event(crtc->dev, -1, event); + drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&crtc->dev->event_lock, irqflags); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index e959df6ede83..26ac8e80a478 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -46,7 +46,7 @@ struct vmw_fence_manager { bool goal_irq_on; /* Protected by @goal_irq_mutex */ bool seqno_valid; /* Protected by @lock, and may not be set to true without the @goal_irq_mutex held. */ - unsigned ctx; + u64 ctx; }; struct vmw_user_fence { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 55231cce73a0..8a69d4da40b5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1404,9 +1404,9 @@ static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, return 0; } -void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, - u16 *r, u16 *g, u16 *b, - uint32_t start, uint32_t size) +int vmw_du_crtc_gamma_set(struct drm_crtc *crtc, + u16 *r, u16 *g, u16 *b, + uint32_t size) { struct vmw_private *dev_priv = vmw_priv(crtc->dev); int i; @@ -1418,6 +1418,8 @@ void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); } + + return 0; } int vmw_du_connector_dpms(struct drm_connector *connector, int mode) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 57203212c501..ff4803c107bc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -195,9 +195,9 @@ struct vmw_display_unit { void vmw_du_cleanup(struct vmw_display_unit *du); void vmw_du_crtc_save(struct drm_crtc *crtc); void vmw_du_crtc_restore(struct drm_crtc *crtc); -void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, +int vmw_du_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t start, uint32_t size); + uint32_t size); int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y); diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h index b56885c14839..ebb34dca60df 100644 --- a/drivers/staging/android/sync.h +++ b/drivers/staging/android/sync.h @@ -68,7 +68,8 @@ struct sync_timeline { /* protected by child_list_lock */ bool destroyed; - int context, value; + u64 context; + int value; struct list_head child_list_head; spinlock_t child_list_lock; diff --git a/include/drm/drmP.h b/include/drm/drmP.h index c5d29505f937..9e5eefd6f733 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -57,6 +57,7 @@ #include <linux/types.h> #include <linux/vmalloc.h> #include <linux/workqueue.h> +#include <linux/fence.h> #include <asm/mman.h> #include <asm/pgalloc.h> @@ -283,12 +284,12 @@ struct drm_ioctl_desc { /* Event queued up for userspace to read */ struct drm_pending_event { struct drm_event *event; + struct fence *fence; struct list_head link; struct list_head pending_link; struct drm_file *file_priv; pid_t pid; /* pid of requester, no guarantee it's valid by the time we deliver the event, for tracing only */ - void (*destroy)(struct drm_pending_event *event); }; /* initial implementaton using a linked list - todo hashtab */ @@ -430,7 +431,7 @@ struct drm_driver { * * Driver callback for fetching a raw hardware vblank counter for @crtc. * If a device doesn't have a hardware counter, the driver can simply - * return the value of drm_vblank_count. The DRM core will account for + * use drm_vblank_no_hw_counter() function. The DRM core will account for * missed vblank events while interrupts where disabled based on system * timestamps. * @@ -448,8 +449,8 @@ struct drm_driver { * @pipe: which irq to enable * * Enable vblank interrupts for @crtc. If the device doesn't have - * a hardware vblank counter, this routine should be a no-op, since - * interrupts will have to stay on to keep the count accurate. + * a hardware vblank counter, the driver should use the + * drm_vblank_no_hw_counter() function that keeps a virtual counter. * * RETURNS * Zero on success, appropriate errno if the given @crtc's vblank @@ -463,8 +464,8 @@ struct drm_driver { * @pipe: which irq to enable * * Disable vblank interrupts for @crtc. If the device doesn't have - * a hardware vblank counter, this routine should be a no-op, since - * interrupts will have to stay on to keep the count accurate. + * a hardware vblank counter, the driver should use the + * drm_vblank_no_hw_counter() function that keeps a virtual counter. */ void (*disable_vblank) (struct drm_device *dev, unsigned int pipe); diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 92c84e9ab09a..d12cfb9c6062 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -71,7 +71,7 @@ static inline struct drm_crtc_state * drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state, struct drm_crtc *crtc) { - return state->crtc_states[drm_crtc_index(crtc)]; + return state->crtcs[drm_crtc_index(crtc)].state; } /** @@ -86,7 +86,7 @@ static inline struct drm_plane_state * drm_atomic_get_existing_plane_state(struct drm_atomic_state *state, struct drm_plane *plane) { - return state->plane_states[drm_plane_index(plane)]; + return state->planes[drm_plane_index(plane)].state; } /** @@ -106,7 +106,43 @@ drm_atomic_get_existing_connector_state(struct drm_atomic_state *state, if (index >= state->num_connector) return NULL; - return state->connector_states[index]; + return state->connectors[index].state; +} + +/** + * __drm_atomic_get_current_plane_state - get current plane state + * @state: global atomic state object + * @plane: plane to grab + * + * This function returns the plane state for the given plane, either from + * @state, or if the plane isn't part of the atomic state update, from @plane. + * This is useful in atomic check callbacks, when drivers need to peek at, but + * not change, state of other planes, since it avoids threading an error code + * back up the call chain. + * + * WARNING: + * + * Note that this function is in general unsafe since it doesn't check for the + * required locking for access state structures. Drivers must ensure that it is + * safe to access the returned state structure through other means. One common + * example is when planes are fixed to a single CRTC, and the driver knows that + * the CRTC lock is held already. In that case holding the CRTC lock gives a + * read-lock on all planes connected to that CRTC. But if planes can be + * reassigned things get more tricky. In that case it's better to use + * drm_atomic_get_plane_state and wire up full error handling. + * + * Returns: + * + * Read-only pointer to the current plane state. + */ +static inline const struct drm_plane_state * +__drm_atomic_get_current_plane_state(struct drm_atomic_state *state, + struct drm_plane *plane) +{ + if (state->planes[drm_plane_index(plane)].state) + return state->planes[drm_plane_index(plane)].state; + + return plane->state; } int __must_check @@ -139,27 +175,27 @@ int __must_check drm_atomic_check_only(struct drm_atomic_state *state); int __must_check drm_atomic_commit(struct drm_atomic_state *state); int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state); -#define for_each_connector_in_state(state, connector, connector_state, __i) \ +#define for_each_connector_in_state(__state, connector, connector_state, __i) \ for ((__i) = 0; \ - (__i) < (state)->num_connector && \ - ((connector) = (state)->connectors[__i], \ - (connector_state) = (state)->connector_states[__i], 1); \ + (__i) < (__state)->num_connector && \ + ((connector) = (__state)->connectors[__i].ptr, \ + (connector_state) = (__state)->connectors[__i].state, 1); \ (__i)++) \ for_each_if (connector) -#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \ +#define for_each_crtc_in_state(__state, crtc, crtc_state, __i) \ for ((__i) = 0; \ - (__i) < (state)->dev->mode_config.num_crtc && \ - ((crtc) = (state)->crtcs[__i], \ - (crtc_state) = (state)->crtc_states[__i], 1); \ + (__i) < (__state)->dev->mode_config.num_crtc && \ + ((crtc) = (__state)->crtcs[__i].ptr, \ + (crtc_state) = (__state)->crtcs[__i].state, 1); \ (__i)++) \ for_each_if (crtc_state) -#define for_each_plane_in_state(state, plane, plane_state, __i) \ +#define for_each_plane_in_state(__state, plane, plane_state, __i) \ for ((__i) = 0; \ - (__i) < (state)->dev->mode_config.num_total_plane && \ - ((plane) = (state)->planes[__i], \ - (plane_state) = (state)->plane_states[__i], 1); \ + (__i) < (__state)->dev->mode_config.num_total_plane && \ + ((plane) = (__state)->planes[__i].ptr, \ + (plane_state) = (__state)->planes[__i].state, 1); \ (__i)++) \ for_each_if (plane_state) static inline bool diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index d473dcc91f54..1877a7c18d8e 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -147,9 +147,9 @@ void __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state); void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, struct drm_connector_state *state); -void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, - u16 *red, u16 *green, u16 *blue, - uint32_t start, uint32_t size); +int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, + u16 *red, u16 *green, u16 *blue, + uint32_t size); /** * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC @@ -159,7 +159,7 @@ void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, * This iterates over the current state, useful (for example) when applying * atomic state after it has been checked and swapped. To iterate over the * planes which *will* be attached (for ->atomic_check()) see - * drm_crtc_for_each_pending_plane() + * drm_crtc_for_each_pending_plane(). */ #define drm_atomic_crtc_for_each_plane(plane, crtc) \ drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) @@ -171,11 +171,31 @@ void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, * * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be * attached if the specified state is applied. Useful during (for example) - * ->atomic_check() operations, to validate the incoming state + * ->atomic_check() operations, to validate the incoming state. */ #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) +/** + * drm_crtc_atomic_state_for_each_plane_state - iterate over attached planes in new state + * @plane: the loop cursor + * @plane_state: loop cursor for the plane's state, must be const + * @crtc_state: the incoming crtc-state + * + * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be + * attached if the specified state is applied. Useful during (for example) + * ->atomic_check() operations, to validate the incoming state. + * + * Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a + * const plane_state. This is useful when a driver just wants to peek at other + * active planes on this crtc, but does not need to change it. + */ +#define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \ + drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \ + for_each_if ((plane_state = \ + __drm_atomic_get_current_plane_state((crtc_state)->state, \ + plane))) + /* * drm_atomic_plane_disabling - check whether a plane is being disabled * @plane: plane object diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index d1559cd04e3d..411be4f45506 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -314,6 +314,7 @@ struct drm_plane_helper_funcs; * update to ensure framebuffer cleanup isn't done too early * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings * @mode: current mode timings + * @mode_blob: &drm_property_blob for @mode * @degamma_lut: Lookup table for converting framebuffer pixel data * before apply the conversion matrix * @ctm: Transformation matrix @@ -478,8 +479,8 @@ struct drm_crtc_funcs { * going on, which should eventually be unified to just one set of * hooks. */ - void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t start, uint32_t size); + int (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, + uint32_t size); /** * @destroy: @@ -708,6 +709,7 @@ struct drm_crtc_funcs { * @dev: parent DRM device * @port: OF node used by drm_of_find_possible_crtcs() * @head: list management + * @name: human readable name, can be overwritten by the driver * @mutex: per-CRTC locking * @base: base KMS object for ID tracking etc. * @primary: primary plane for this CRTC @@ -738,12 +740,13 @@ struct drm_crtc { char *name; - /* - * crtc mutex + /** + * @mutex: * * This provides a read lock for the overall crtc state (mode, dpms * state, ...) and a write lock for everything which can be update - * without a full modeset (fb, cursor data, ...) + * without a full modeset (fb, cursor data, crtc properties ...). Full + * modeset also need to grab dev->mode_config.connection_mutex. */ struct drm_modeset_lock mutex; @@ -753,6 +756,9 @@ struct drm_crtc { struct drm_plane *primary; struct drm_plane *cursor; + /* position inside the mode_config.list, can be used as a [] idx */ + unsigned index; + /* position of cursor plane on crtc */ int cursor_x; int cursor_y; @@ -1078,7 +1084,7 @@ struct drm_encoder_funcs { * @dev: parent DRM device * @head: list management * @base: base KMS object - * @name: encoder name + * @name: human readable name, can be overwritten by the driver * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h * @possible_crtcs: bitmask of potential CRTC bindings * @possible_clones: bitmask of potential sibling encoders for cloning @@ -1097,6 +1103,10 @@ struct drm_encoder { struct drm_mode_object base; char *name; int encoder_type; + + /* position inside the mode_config.list, can be used as a [] idx */ + unsigned index; + uint32_t possible_crtcs; uint32_t possible_clones; @@ -1124,7 +1134,8 @@ struct drm_encoder { * @attr: sysfs attributes * @head: list management * @base: base KMS object - * @name: connector name + * @name: human readable name, can be overwritten by the driver + * @connector_id: compacted connector id useful indexing arrays * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h * @connector_type_id: index into connector type enum * @interlace_allowed: can this connector handle interlaced modes? @@ -1137,7 +1148,6 @@ struct drm_encoder { * @funcs: connector control functions * @edid_blob_ptr: DRM property containing EDID if present * @properties: property tracking for this connector - * @path_blob_ptr: DRM blob property data for the DP MST path property * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling * @dpms: current dpms state * @helper_private: mid-layer private data @@ -1200,8 +1210,23 @@ struct drm_connector { struct drm_property_blob *edid_blob_ptr; struct drm_object_properties properties; + /** + * @path_blob_ptr: + * + * DRM blob property data for the DP MST path property. + */ struct drm_property_blob *path_blob_ptr; + /** + * @tile_blob_ptr: + * + * DRM blob property data for the tile property (used mostly by DP MST). + * This is meant for screens which are driven through separate display + * pipelines represented by &drm_crtc, which might not be running with + * genlocked clocks. For tiled panels which are genlocked, like + * dual-link LVDS or dual-link DSI, the driver should try to not expose + * the tiling and virtualize both &drm_crtc and &drm_plane if needed. + */ struct drm_property_blob *tile_blob_ptr; uint8_t polled; /* DRM_CONNECTOR_POLL_* */ @@ -1263,6 +1288,7 @@ struct drm_connector { * plane (in 16.16) * @src_w: width of visible portion of plane (in 16.16) * @src_h: height of visible portion of plane (in 16.16) + * @rotation: rotation of the plane * @state: backpointer to global drm_atomic_state */ struct drm_plane_state { @@ -1503,6 +1529,7 @@ enum drm_plane_type { * struct drm_plane - central DRM plane control structure * @dev: DRM device this plane belongs to * @head: for list management + * @name: human readable name, can be overwritten by the driver * @base: base mode object * @possible_crtcs: pipes this plane can be bound to * @format_types: array of formats supported by this plane @@ -1516,6 +1543,7 @@ enum drm_plane_type { * @properties: property tracking for this plane * @type: type of plane (overlay, primary, cursor) * @state: current atomic state for this plane + * @helper_private: mid-layer private data */ struct drm_plane { struct drm_device *dev; @@ -1523,6 +1551,13 @@ struct drm_plane { char *name; + /** + * @mutex: + * + * Protects modeset plane state, together with the mutex of &drm_crtc + * this plane is linked to (when active, getting actived or getting + * disabled). + */ struct drm_modeset_lock mutex; struct drm_mode_object base; @@ -1543,6 +1578,9 @@ struct drm_plane { enum drm_plane_type type; + /* position inside the mode_config.list, can be used as a [] idx */ + unsigned index; + const struct drm_plane_helper_funcs *helper_private; struct drm_plane_state *state; @@ -1693,19 +1731,31 @@ struct drm_bridge { void *driver_private; }; +struct __drm_planes_state { + struct drm_plane *ptr; + struct drm_plane_state *state; +}; + +struct __drm_crtcs_state { + struct drm_crtc *ptr; + struct drm_crtc_state *state; +}; + +struct __drm_connnectors_state { + struct drm_connector *ptr; + struct drm_connector_state *state; +}; + /** * struct drm_atomic_state - the global state object for atomic updates * @dev: parent DRM device * @allow_modeset: allow full modeset * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics * @legacy_set_config: Disable conflicting encoders instead of failing with -EINVAL. - * @planes: pointer to array of plane pointers - * @plane_states: pointer to array of plane states pointers + * @planes: pointer to array of structures with per-plane data * @crtcs: pointer to array of CRTC pointers - * @crtc_states: pointer to array of CRTC states pointers * @num_connector: size of the @connectors and @connector_states arrays - * @connectors: pointer to array of connector pointers - * @connector_states: pointer to array of connector states pointers + * @connectors: pointer to array of structures with per-connector data * @acquire_ctx: acquire context for this atomic modeset state update */ struct drm_atomic_state { @@ -1713,13 +1763,10 @@ struct drm_atomic_state { bool allow_modeset : 1; bool legacy_cursor_update : 1; bool legacy_set_config : 1; - struct drm_plane **planes; - struct drm_plane_state **plane_states; - struct drm_crtc **crtcs; - struct drm_crtc_state **crtc_states; + struct __drm_planes_state *planes; + struct __drm_crtcs_state *crtcs; int num_connector; - struct drm_connector **connectors; - struct drm_connector_state **connector_states; + struct __drm_connnectors_state *connectors; struct drm_modeset_acquire_ctx *acquire_ctx; }; @@ -2022,8 +2069,6 @@ struct drm_mode_config_funcs { * @connection_mutex: ww mutex protecting connector state and routing * @acquire_ctx: global implicit acquire context used by atomic drivers for * legacy IOCTLs - * @idr_mutex: mutex for KMS ID allocation and management - * @crtc_idr: main KMS ID tracking object * @fb_lock: mutex to protect fb state and lists * @num_fb: number of fbs available * @fb_list: list of framebuffers available @@ -2045,6 +2090,7 @@ struct drm_mode_config_funcs { * @fb_base: base address of the framebuffer * @poll_enabled: track polling support for this device * @poll_running: track polling status for this device + * @delayed_event: track delayed poll uevent deliver for this device * @output_poll_work: delayed work for polling in process context * @property_blob_list: list of all the blob property objects * @blob_lock: mutex for blob property allocation and management @@ -2072,10 +2118,30 @@ struct drm_mode_config { struct mutex mutex; /* protects configuration (mode lists etc.) */ struct drm_modeset_lock connection_mutex; /* protects connector->encoder and encoder->crtc links */ struct drm_modeset_acquire_ctx *acquire_ctx; /* for legacy _lock_all() / _unlock_all() */ - struct mutex idr_mutex; /* for IDR management */ - struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ - struct idr tile_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ - /* this is limited to one for now */ + + /** + * @idr_mutex: + * + * Mutex for KMS ID allocation and management. Protects both @crtc_idr + * and @tile_idr. + */ + struct mutex idr_mutex; + + /** + * @crtc_idr: + * + * Main KMS ID tracking object. Use this idr for all IDs, fb, crtc, + * connector, modes - just makes life easier to have only one. + */ + struct idr crtc_idr; + + /** + * @tile_idr: + * + * Use this idr for allocating new IDs for tiled sinks like use in some + * high-res DP MST screens. + */ + struct idr tile_idr; struct mutex fb_lock; /* proctects global and per-file fb lists */ int num_fb; @@ -2177,7 +2243,11 @@ struct drm_mode_config { /* whether async page flip is supported or not */ bool async_page_flip; - /* whether the driver supports fb modifiers */ + /** + * @allow_fb_modifiers: + * + * Whether the driver supports fb modifiers in the ADDFB2.1 ioctl call. + */ bool allow_fb_modifiers; /* cursor size */ @@ -2230,7 +2300,18 @@ int drm_crtc_init_with_planes(struct drm_device *dev, const struct drm_crtc_funcs *funcs, const char *name, ...); extern void drm_crtc_cleanup(struct drm_crtc *crtc); -extern unsigned int drm_crtc_index(struct drm_crtc *crtc); + +/** + * drm_crtc_index - find the index of a registered CRTC + * @crtc: CRTC to find index for + * + * Given a registered CRTC, return the index of that CRTC within a DRM + * device's list of CRTCs. + */ +static inline unsigned int drm_crtc_index(struct drm_crtc *crtc) +{ + return crtc->index; +} /** * drm_crtc_mask - find the mask of a registered CRTC @@ -2284,7 +2365,18 @@ int drm_encoder_init(struct drm_device *dev, struct drm_encoder *encoder, const struct drm_encoder_funcs *funcs, int encoder_type, const char *name, ...); -extern unsigned int drm_encoder_index(struct drm_encoder *encoder); + +/** + * drm_encoder_index - find the index of a registered encoder + * @encoder: encoder to find index for + * + * Given a registered encoder, return the index of that encoder within a DRM + * device's list of encoders. + */ +static inline unsigned int drm_encoder_index(struct drm_encoder *encoder) +{ + return encoder->index; +} /** * drm_encoder_crtc_ok - can a given crtc drive a given encoder? @@ -2315,7 +2407,18 @@ extern int drm_plane_init(struct drm_device *dev, const uint32_t *formats, unsigned int format_count, bool is_primary); extern void drm_plane_cleanup(struct drm_plane *plane); -extern unsigned int drm_plane_index(struct drm_plane *plane); + +/** + * drm_plane_index - find the index of a registered plane + * @plane: plane to find index for + * + * Given a registered plane, return the index of that plane within a DRM + * device's list of planes. + */ +static inline unsigned int drm_plane_index(struct drm_plane *plane) +{ + return plane->index; +} extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); extern void drm_plane_force_disable(struct drm_plane *plane); extern int drm_plane_check_pixel_format(const struct drm_plane *plane, diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 7a9840f8b38e..ec552854a8f8 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -263,6 +263,7 @@ int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start, u16 end); int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, u16 end); +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, u16 param); int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, enum mipi_dsi_dcs_tear_mode mode); diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 625966a906f2..ff481770d76b 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -169,6 +169,8 @@ enum drm_mode_status { * * The horizontal and vertical timings are defined per the following diagram. * + * :: + * * * Active Front Sync Back * Region Porch Porch diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index d4619dc2eecb..4e7a53b12632 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -736,6 +736,11 @@ struct drm_connector_helper_funcs { * inspect dynamic configuration state should instead use * @atomic_best_encoder. * + * You can leave this function to NULL if the connector is only + * attached to a single encoder and you are using the atomic helpers. + * In this case, the core will call drm_atomic_helper_best_encoder() + * for you. + * * RETURNS: * * Encoder that should be used for the given connector and connector @@ -752,8 +757,9 @@ struct drm_connector_helper_funcs { * need to select the best encoder depending upon the desired * configuration and can't select it statically. * - * This function is used by drm_atomic_helper_check_modeset() and either - * this or @best_encoder is required. + * This function is used by drm_atomic_helper_check_modeset(). + * If it is not implemented, the core will fallback to @best_encoder + * (or drm_atomic_helper_best_encoder() if @best_encoder is NULL). * * NOTE: * diff --git a/include/linux/fence-array.h b/include/linux/fence-array.h new file mode 100644 index 000000000000..86baaa45567c --- /dev/null +++ b/include/linux/fence-array.h @@ -0,0 +1,73 @@ +/* + * fence-array: aggregates fence to be waited together + * + * Copyright (C) 2016 Collabora Ltd + * Copyright (C) 2016 Advanced Micro Devices, Inc. + * Authors: + * Gustavo Padovan <gustavo@padovan.org> + * Christian König <christian.koenig@amd.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __LINUX_FENCE_ARRAY_H +#define __LINUX_FENCE_ARRAY_H + +#include <linux/fence.h> + +/** + * struct fence_array_cb - callback helper for fence array + * @cb: fence callback structure for signaling + * @array: reference to the parent fence array object + */ +struct fence_array_cb { + struct fence_cb cb; + struct fence_array *array; +}; + +/** + * struct fence_array - fence to represent an array of fences + * @base: fence base class + * @lock: spinlock for fence handling + * @num_fences: number of fences in the array + * @num_pending: fences in the array still pending + * @fences: array of the fences + */ +struct fence_array { + struct fence base; + + spinlock_t lock; + unsigned num_fences; + atomic_t num_pending; + struct fence **fences; +}; + +extern const struct fence_ops fence_array_ops; + +/** + * to_fence_array - cast a fence to a fence_array + * @fence: fence to cast to a fence_array + * + * Returns NULL if the fence is not a fence_array, + * or the fence_array otherwise. + */ +static inline struct fence_array *to_fence_array(struct fence *fence) +{ + if (fence->ops != &fence_array_ops) + return NULL; + + return container_of(fence, struct fence_array, base); +} + +struct fence_array *fence_array_create(int num_fences, struct fence **fences, + u64 context, unsigned seqno, + bool signal_on_any); + +#endif /* __LINUX_FENCE_ARRAY_H */ diff --git a/include/linux/fence.h b/include/linux/fence.h index 2056e9fd0138..44d945e96473 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -77,7 +77,8 @@ struct fence { struct rcu_head rcu; struct list_head cb_list; spinlock_t *lock; - unsigned context, seqno; + u64 context; + unsigned seqno; unsigned long flags; ktime_t timestamp; int status; @@ -180,7 +181,7 @@ struct fence_ops { }; void fence_init(struct fence *fence, const struct fence_ops *ops, - spinlock_t *lock, unsigned context, unsigned seqno); + spinlock_t *lock, u64 context, unsigned seqno); void fence_release(struct kref *kref); void fence_free(struct fence *fence); @@ -354,27 +355,27 @@ static inline signed long fence_wait(struct fence *fence, bool intr) return ret < 0 ? ret : 0; } -unsigned fence_context_alloc(unsigned num); +u64 fence_context_alloc(unsigned num); #define FENCE_TRACE(f, fmt, args...) \ do { \ struct fence *__ff = (f); \ if (config_enabled(CONFIG_FENCE_TRACE)) \ - pr_info("f %u#%u: " fmt, \ + pr_info("f %llu#%u: " fmt, \ __ff->context, __ff->seqno, ##args); \ } while (0) #define FENCE_WARN(f, fmt, args...) \ do { \ struct fence *__ff = (f); \ - pr_warn("f %u#%u: " fmt, __ff->context, __ff->seqno, \ + pr_warn("f %llu#%u: " fmt, __ff->context, __ff->seqno, \ ##args); \ } while (0) #define FENCE_ERR(f, fmt, args...) \ do { \ struct fence *__ff = (f); \ - pr_err("f %u#%u: " fmt, __ff->context, __ff->seqno, \ + pr_err("f %llu#%u: " fmt, __ff->context, __ff->seqno, \ ##args); \ } while (0) |