diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_kms.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_cache.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 103 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_info.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_internal.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 56 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_plane_helper.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/sti/sti_drm_crtc.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 5 |
14 files changed, 140 insertions, 158 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index e3a7a5078e5c..42d2ffa08716 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -653,10 +653,6 @@ static int armada_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, return 0; } -static void armada_drm_crtc_load_lut(struct drm_crtc *crtc) -{ -} - /* The mode_config.mutex will be held for this call */ static void armada_drm_crtc_disable(struct drm_crtc *crtc) { @@ -678,7 +674,6 @@ static const struct drm_crtc_helper_funcs armada_crtc_helper_funcs = { .mode_fixup = armada_drm_crtc_mode_fixup, .mode_set = armada_drm_crtc_mode_set, .mode_set_base = armada_drm_crtc_mode_set_base, - .load_lut = armada_drm_crtc_load_lut, .disable = armada_drm_crtc_disable, }; diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index 85f0f8cf1fb8..26bcd03a8cb6 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -18,10 +18,6 @@ MODULE_PARM_DESC(defy, "default y resolution"); /* ---------------------------------------------------------------------- */ -static void bochs_crtc_load_lut(struct drm_crtc *crtc) -{ -} - static void bochs_crtc_dpms(struct drm_crtc *crtc, int mode) { switch (mode) { @@ -144,7 +140,6 @@ static const struct drm_crtc_helper_funcs bochs_helper_funcs = { .mode_set_base = bochs_crtc_mode_set_base, .prepare = bochs_crtc_prepare, .commit = bochs_crtc_commit, - .load_lut = bochs_crtc_load_lut, }; static void bochs_crtc_init(struct drm_device *dev) diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index a6b690626a6b..9a62d7a53553 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -32,6 +32,7 @@ #include <drm/drmP.h> #if defined(CONFIG_X86) +#include <asm/smp.h> /* * clflushopt is an unordered instruction which needs fencing with mfence or @@ -64,12 +65,6 @@ static void drm_cache_flush_clflush(struct page *pages[], drm_clflush_page(*pages++); mb(); } - -static void -drm_clflush_ipi_handler(void *null) -{ - wbinvd(); -} #endif void @@ -82,7 +77,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #elif defined(__powerpc__) @@ -121,7 +116,7 @@ drm_clflush_sg(struct sg_table *st) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #else printk(KERN_ERR "Architecture has no drm_cache.c support\n"); @@ -144,7 +139,7 @@ drm_clflush_virt_range(void *addr, unsigned long length) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #else printk(KERN_ERR "Architecture has no drm_cache.c support\n"); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 5213da499d39..2892d746a1e9 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -61,8 +61,8 @@ static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, /* * Global properties */ -static const struct drm_prop_enum_list drm_dpms_enum_list[] = -{ { DRM_MODE_DPMS_ON, "On" }, +static const struct drm_prop_enum_list drm_dpms_enum_list[] = { + { DRM_MODE_DPMS_ON, "On" }, { DRM_MODE_DPMS_STANDBY, "Standby" }, { DRM_MODE_DPMS_SUSPEND, "Suspend" }, { DRM_MODE_DPMS_OFF, "Off" } @@ -70,8 +70,7 @@ static const struct drm_prop_enum_list drm_dpms_enum_list[] = DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) -static const struct drm_prop_enum_list drm_plane_type_enum_list[] = -{ +static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, { DRM_PLANE_TYPE_PRIMARY, "Primary" }, { DRM_PLANE_TYPE_CURSOR, "Cursor" }, @@ -80,8 +79,7 @@ static const struct drm_prop_enum_list drm_plane_type_enum_list[] = /* * Optional properties */ -static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = -{ +static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { { DRM_MODE_SCALE_NONE, "None" }, { DRM_MODE_SCALE_FULLSCREEN, "Full" }, { DRM_MODE_SCALE_CENTER, "Center" }, @@ -97,8 +95,7 @@ static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { /* * Non-global properties, but "required" for certain connectors. */ -static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = -{ +static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ @@ -106,8 +103,7 @@ static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) -static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = -{ +static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ @@ -116,8 +112,7 @@ static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, drm_dvi_i_subconnector_enum_list) -static const struct drm_prop_enum_list drm_tv_select_enum_list[] = -{ +static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ @@ -127,8 +122,7 @@ static const struct drm_prop_enum_list drm_tv_select_enum_list[] = DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) -static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = -{ +static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ @@ -154,8 +148,8 @@ struct drm_conn_prop_enum_list { /* * Connector and encoder types. */ -static struct drm_conn_prop_enum_list drm_connector_enum_list[] = -{ { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, +static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { + { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, { DRM_MODE_CONNECTOR_VGA, "VGA" }, { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, @@ -174,8 +168,8 @@ static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { DRM_MODE_CONNECTOR_DSI, "DSI" }, }; -static const struct drm_prop_enum_list drm_encoder_enum_list[] = -{ { DRM_MODE_ENCODER_NONE, "None" }, +static const struct drm_prop_enum_list drm_encoder_enum_list[] = { + { DRM_MODE_ENCODER_NONE, "None" }, { DRM_MODE_ENCODER_DAC, "DAC" }, { DRM_MODE_ENCODER_TMDS, "TMDS" }, { DRM_MODE_ENCODER_LVDS, "LVDS" }, @@ -185,8 +179,7 @@ static const struct drm_prop_enum_list drm_encoder_enum_list[] = { DRM_MODE_ENCODER_DPMST, "DP MST" }, }; -static const struct drm_prop_enum_list drm_subpixel_enum_list[] = -{ +static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { { SubPixelUnknown, "Unknown" }, { SubPixelHorizontalRGB, "Horizontal RGB" }, { SubPixelHorizontalBGR, "Horizontal BGR" }, @@ -1142,6 +1135,7 @@ EXPORT_SYMBOL(drm_encoder_init); void drm_encoder_cleanup(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; + drm_modeset_lock_all(dev); drm_mode_object_put(dev, &encoder->base); kfree(encoder->name); @@ -1185,8 +1179,8 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, plane->base.properties = &plane->properties; plane->dev = dev; plane->funcs = funcs; - plane->format_types = kmalloc(sizeof(uint32_t) * format_count, - GFP_KERNEL); + plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), + GFP_KERNEL); if (!plane->format_types) { DRM_DEBUG_KMS("out of memory when allocating plane\n"); drm_mode_object_put(dev, &plane->base); @@ -1599,7 +1593,7 @@ static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *gr total_objects += dev->mode_config.num_encoder; total_objects += dev->mode_config.num_bridge; - group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); + group->id_list = kcalloc(total_objects, sizeof(uint32_t), GFP_KERNEL); if (!group->id_list) return -ENOMEM; @@ -1629,7 +1623,8 @@ int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_bridge *bridge; int ret; - if ((ret = drm_mode_group_init(dev, group))) + ret = drm_mode_group_init(dev, group); + if (ret) return ret; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) @@ -2045,11 +2040,9 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, props_count = connector->properties.count; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] != 0) { + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) + if (connector->encoder_ids[i] != 0) encoders_count++; - } - } if (out_resp->count_modes == 0) { connector->funcs->fill_modes(connector, @@ -2529,7 +2522,7 @@ int drm_mode_setplane(struct drm_device *dev, void *data, * * This is a little helper to wrap internal calls to the ->set_config driver * interface. The only thing it adds is correct refcounting dance. - * + * * Returns: * Zero on success, negative errno on failure. */ @@ -2690,6 +2683,12 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, goto out; } + mode->status = drm_mode_validate_basic(mode); + if (mode->status != MODE_OK) { + ret = -EINVAL; + goto out; + } + drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, @@ -2721,9 +2720,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, goto out; } - connector_set = kmalloc(crtc_req->count_connectors * - sizeof(struct drm_connector *), - GFP_KERNEL); + connector_set = kmalloc_array(crtc_req->count_connectors, + sizeof(struct drm_connector *), + GFP_KERNEL); if (!connector_set) { ret = -ENOMEM; goto out; @@ -2968,6 +2967,7 @@ int drm_mode_cursor2_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_mode_cursor2 *req = data; + return drm_mode_cursor_common(dev, req, file_priv); } @@ -3415,7 +3415,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, ret = -EINVAL; goto out_err1; } - clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); + clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); if (!clips) { ret = -ENOMEM; goto out_err1; @@ -3516,7 +3516,8 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags, property->dev = dev; if (num_values) { - property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); + property->values = kcalloc(num_values, sizeof(uint64_t), + GFP_KERNEL); if (!property->values) goto fail; } @@ -4057,7 +4058,7 @@ int drm_mode_getblob_ioctl(struct drm_device *dev, if (out_resp->length == blob->length) { blob_ptr = (void __user *)(unsigned long)out_resp->data; - if (copy_to_user(blob_ptr, blob->data, blob->length)){ + if (copy_to_user(blob_ptr, blob->data, blob->length)) { ret = -EFAULT; goto done; } @@ -4196,6 +4197,8 @@ EXPORT_SYMBOL(drm_mode_connector_update_edid_property); static bool drm_property_change_is_valid(struct drm_property *property, uint64_t value) { + int i; + if (property->flags & DRM_MODE_PROP_IMMUTABLE) return false; @@ -4205,13 +4208,14 @@ static bool drm_property_change_is_valid(struct drm_property *property, return true; } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { int64_t svalue = U642I64(value); + if (svalue < U642I64(property->values[0]) || svalue > U642I64(property->values[1])) return false; return true; } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { - int i; uint64_t valid_mask = 0; + for (i = 0; i < property->num_values; i++) valid_mask |= (1ULL << property->values[i]); return !(value & ~valid_mask); @@ -4220,6 +4224,7 @@ static bool drm_property_change_is_valid(struct drm_property *property, return true; } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { struct drm_mode_object *obj; + /* a zero value for an object property translates to null: */ if (value == 0) return true; @@ -4232,13 +4237,12 @@ static bool drm_property_change_is_valid(struct drm_property *property, */ obj = _object_find(property->dev, value, property->values[0]); return obj != NULL; - } else { - int i; - for (i = 0; i < property->num_values; i++) - if (property->values[i] == value) - return true; - return false; } + + for (i = 0; i < property->num_values; i++) + if (property->values[i] == value) + return true; + return false; } /** @@ -4526,7 +4530,8 @@ int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, { crtc->gamma_size = gamma_size; - crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); + crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, + GFP_KERNEL); if (!crtc->gamma_store) { crtc->gamma_size = 0; return -ENOMEM; @@ -4741,23 +4746,23 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { ret = -ENOMEM; spin_lock_irqsave(&dev->event_lock, flags); - if (file_priv->event_space < sizeof e->event) { + if (file_priv->event_space < sizeof(e->event)) { spin_unlock_irqrestore(&dev->event_lock, flags); goto out; } - file_priv->event_space -= sizeof e->event; + file_priv->event_space -= sizeof(e->event); spin_unlock_irqrestore(&dev->event_lock, flags); - e = kzalloc(sizeof *e, GFP_KERNEL); + e = kzalloc(sizeof(*e), GFP_KERNEL); if (e == NULL) { spin_lock_irqsave(&dev->event_lock, flags); - file_priv->event_space += sizeof e->event; + file_priv->event_space += sizeof(e->event); spin_unlock_irqrestore(&dev->event_lock, flags); goto out; } e->event.base.type = DRM_EVENT_FLIP_COMPLETE; - e->event.base.length = sizeof e->event; + e->event.base.length = sizeof(e->event); e->event.user_data = page_flip->user_data; e->base.event = &e->event.base; e->base.file_priv = file_priv; @@ -4770,7 +4775,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, if (ret) { if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { spin_lock_irqsave(&dev->event_lock, flags); - file_priv->event_space += sizeof e->event; + file_priv->event_space += sizeof(e->event); spin_unlock_irqrestore(&dev->event_lock, flags); kfree(e); } diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index 51efebd434f3..f1b32f91d941 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -153,30 +153,6 @@ int drm_bufs_info(struct seq_file *m, void *data) } /** - * Called when "/proc/dri/.../vblank" is read. - */ -int drm_vblank_info(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct drm_device *dev = node->minor->dev; - int crtc; - - mutex_lock(&dev->struct_mutex); - for (crtc = 0; crtc < dev->num_crtcs; crtc++) { - seq_printf(m, "CRTC %d enable: %d\n", - crtc, atomic_read(&dev->vblank[crtc].refcount)); - seq_printf(m, "CRTC %d counter: %d\n", - crtc, drm_vblank_count(dev, crtc)); - seq_printf(m, "CRTC %d last wait: %d\n", - crtc, dev->vblank[crtc].last_wait); - seq_printf(m, "CRTC %d in modeset: %d\n", - crtc, dev->vblank[crtc].inmodeset); - } - mutex_unlock(&dev->struct_mutex); - return 0; -} - -/** * Called when "/proc/dri/.../clients" is read. * */ diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index 7cc0a3516871..12a61d706827 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -55,7 +55,6 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr int drm_name_info(struct seq_file *m, void *data); int drm_vm_info(struct seq_file *m, void *data); int drm_bufs_info(struct seq_file *m, void *data); -int drm_vblank_info(struct seq_file *m, void *data); int drm_clients_info(struct seq_file *m, void* data); int drm_gem_name_info(struct seq_file *m, void *data); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 4d79dad9d44f..75647e7f012b 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -778,7 +778,7 @@ static struct timeval get_drm_timestamp(void) /** * drm_get_last_vbltimestamp - retrieve raw timestamp for the most recent - * vblank interval + * vblank interval * @dev: DRM device * @crtc: which CRTC's vblank timestamp to retrieve * @tvblank: Pointer to target struct timeval which should receive the timestamp @@ -933,6 +933,7 @@ void drm_send_vblank_event(struct drm_device *dev, int crtc, { struct timeval now; unsigned int seq; + if (crtc >= 0) { seq = drm_vblank_count_and_time(dev, crtc, &now); } else { @@ -1422,7 +1423,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, unsigned int seq; int ret; - e = kzalloc(sizeof *e, GFP_KERNEL); + e = kzalloc(sizeof(*e), GFP_KERNEL); if (e == NULL) { ret = -ENOMEM; goto err_put; @@ -1431,7 +1432,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, e->pipe = pipe; e->base.pid = current->pid; e->event.base.type = DRM_EVENT_VBLANK; - e->event.base.length = sizeof e->event; + e->event.base.length = sizeof(e->event); e->event.user_data = vblwait->request.signal; e->base.event = &e->event.base; e->base.file_priv = file_priv; @@ -1451,12 +1452,12 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, goto err_unlock; } - if (file_priv->event_space < sizeof e->event) { + if (file_priv->event_space < sizeof(e->event)) { ret = -EBUSY; goto err_unlock; } - file_priv->event_space -= sizeof e->event; + file_priv->event_space -= sizeof(e->event); seq = drm_vblank_count_and_time(dev, pipe, &now); if ((vblwait->request.type & _DRM_VBLANK_NEXTONMISS) && diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 6d8b941c8200..11cc4deca55b 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -906,9 +906,40 @@ bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1, EXPORT_SYMBOL(drm_mode_equal_no_clocks_no_stereo); /** + * drm_mode_validate_basic - make sure the mode is somewhat sane + * @mode: mode to check + * + * Check that the mode timings are at least somewhat reasonable. + * Any hardware specific limits are left up for each driver to check. + * + * Returns: + * The mode status + */ +enum drm_mode_status +drm_mode_validate_basic(const struct drm_display_mode *mode) +{ + if (mode->clock == 0) + return MODE_CLOCK_LOW; + + if (mode->hdisplay == 0 || + mode->hsync_start < mode->hdisplay || + mode->hsync_end < mode->hsync_start || + mode->htotal < mode->hsync_end) + return MODE_H_ILLEGAL; + + if (mode->vdisplay == 0 || + mode->vsync_start < mode->vdisplay || + mode->vsync_end < mode->vsync_start || + mode->vtotal < mode->vsync_end) + return MODE_V_ILLEGAL; + + return MODE_OK; +} +EXPORT_SYMBOL(drm_mode_validate_basic); + +/** * drm_mode_validate_size - make sure modes adhere to size constraints - * @dev: DRM device - * @mode_list: list of modes to check + * @mode: mode to check * @maxX: maximum width * @maxY: maximum height * @@ -916,20 +947,21 @@ EXPORT_SYMBOL(drm_mode_equal_no_clocks_no_stereo); * limitations of the DRM device/connector. If a mode is too big its status * member is updated with the appropriate validation failure code. The list * itself is not changed. + * + * Returns: + * The mode status */ -void drm_mode_validate_size(struct drm_device *dev, - struct list_head *mode_list, - int maxX, int maxY) +enum drm_mode_status +drm_mode_validate_size(const struct drm_display_mode *mode, + int maxX, int maxY) { - struct drm_display_mode *mode; + if (maxX > 0 && mode->hdisplay > maxX) + return MODE_VIRTUAL_X; - list_for_each_entry(mode, mode_list, head) { - if (maxX > 0 && mode->hdisplay > maxX) - mode->status = MODE_VIRTUAL_X; + if (maxY > 0 && mode->vdisplay > maxY) + return MODE_VIRTUAL_Y; - if (maxY > 0 && mode->vdisplay > maxY) - mode->status = MODE_VIRTUAL_Y; - } + return MODE_OK; } EXPORT_SYMBOL(drm_mode_validate_size); diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 18a1ac6ac22f..391dfb7d1086 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -142,6 +142,17 @@ int drm_plane_helper_check_update(struct drm_plane *plane, { int hscale, vscale; + if (!fb) { + *visible = false; + return 0; + } + + /* crtc should only be NULL when disabling (i.e., !fb) */ + if (WARN_ON(!crtc)) { + *visible = false; + return 0; + } + if (!crtc->enabled && !can_update_disabled) { DRM_DEBUG_KMS("Cannot update plane of a disabled CRTC.\n"); return -EINVAL; @@ -155,11 +166,6 @@ int drm_plane_helper_check_update(struct drm_plane *plane, return -ERANGE; } - if (!fb) { - *visible = false; - return 0; - } - *visible = drm_rect_clip_scaled(src, dest, clip, hscale, vscale); if (!*visible) /* diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 7483a47de8e4..2fbdcca7ca9a 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -58,28 +58,23 @@ static bool drm_kms_helper_poll = true; module_param_named(poll, drm_kms_helper_poll, bool, 0600); -static void drm_mode_validate_flag(struct drm_connector *connector, - int flags) +static enum drm_mode_status +drm_mode_validate_flag(const struct drm_display_mode *mode, + int flags) { - struct drm_display_mode *mode; + if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && + !(flags & DRM_MODE_FLAG_INTERLACE)) + return MODE_NO_INTERLACE; - if (flags == (DRM_MODE_FLAG_DBLSCAN | DRM_MODE_FLAG_INTERLACE | - DRM_MODE_FLAG_3D_MASK)) - return; + if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) && + !(flags & DRM_MODE_FLAG_DBLSCAN)) + return MODE_NO_DBLESCAN; - list_for_each_entry(mode, &connector->modes, head) { - if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && - !(flags & DRM_MODE_FLAG_INTERLACE)) - mode->status = MODE_NO_INTERLACE; - if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) && - !(flags & DRM_MODE_FLAG_DBLSCAN)) - mode->status = MODE_NO_DBLESCAN; - if ((mode->flags & DRM_MODE_FLAG_3D_MASK) && - !(flags & DRM_MODE_FLAG_3D_MASK)) - mode->status = MODE_NO_STEREO; - } + if ((mode->flags & DRM_MODE_FLAG_3D_MASK) && + !(flags & DRM_MODE_FLAG_3D_MASK)) + return MODE_NO_STEREO; - return; + return MODE_OK; } static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector) @@ -164,18 +159,22 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect drm_mode_connector_list_update(connector, merge_type_bits); - if (maxX && maxY) - drm_mode_validate_size(dev, &connector->modes, maxX, maxY); - if (connector->interlace_allowed) mode_flags |= DRM_MODE_FLAG_INTERLACE; if (connector->doublescan_allowed) mode_flags |= DRM_MODE_FLAG_DBLSCAN; if (connector->stereo_allowed) mode_flags |= DRM_MODE_FLAG_3D_MASK; - drm_mode_validate_flag(connector, mode_flags); list_for_each_entry(mode, &connector->modes, head) { + mode->status = drm_mode_validate_basic(mode); + + if (mode->status == MODE_OK) + mode->status = drm_mode_validate_size(mode, maxX, maxY); + + if (mode->status == MODE_OK) + mode->status = drm_mode_validate_flag(mode, mode_flags); + if (mode->status == MODE_OK && connector_funcs->mode_valid) mode->status = connector_funcs->mode_valid(connector, mode); diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index 3449213f1e76..20ae50385e5b 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -323,10 +323,6 @@ static void mdp4_crtc_commit(struct drm_crtc *crtc) drm_crtc_vblank_put(crtc); } -static void mdp4_crtc_load_lut(struct drm_crtc *crtc) -{ -} - static int mdp4_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { @@ -515,7 +511,6 @@ static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = { .mode_set_base = drm_helper_crtc_mode_set_base, .prepare = mdp4_crtc_prepare, .commit = mdp4_crtc_commit, - .load_lut = mdp4_crtc_load_lut, .atomic_check = mdp4_crtc_atomic_check, .atomic_begin = mdp4_crtc_atomic_begin, .atomic_flush = mdp4_crtc_atomic_flush, diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index f021f960a8a2..6b25f9f731ed 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -275,10 +275,6 @@ static void mdp5_crtc_commit(struct drm_crtc *crtc) mdp5_disable(get_kms(crtc)); } -static void mdp5_crtc_load_lut(struct drm_crtc *crtc) -{ -} - struct plane_state { struct drm_plane *plane; struct mdp5_plane_state *state; @@ -402,7 +398,6 @@ static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = { .mode_set_base = drm_helper_crtc_mode_set_base, .prepare = mdp5_crtc_prepare, .commit = mdp5_crtc_commit, - .load_lut = mdp5_crtc_load_lut, .atomic_check = mdp5_crtc_atomic_check, .atomic_begin = mdp5_crtc_atomic_begin, .atomic_flush = mdp5_crtc_atomic_flush, diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_drm_crtc.c index 4c651c200f20..e6f6ef7c4866 100644 --- a/drivers/gpu/drm/sti/sti_drm_crtc.c +++ b/drivers/gpu/drm/sti/sti_drm_crtc.c @@ -190,11 +190,6 @@ out: return ret; } -static void sti_drm_crtc_load_lut(struct drm_crtc *crtc) -{ - /* do nothing */ -} - static void sti_drm_crtc_disable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); @@ -249,7 +244,6 @@ static struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { .mode_fixup = sti_drm_crtc_mode_fixup, .mode_set = sti_drm_crtc_mode_set, .mode_set_base = sti_drm_crtc_mode_set_base, - .load_lut = sti_drm_crtc_load_lut, .disable = sti_drm_crtc_disable, }; diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 978993fa3a36..ae26cc054fff 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1119,10 +1119,6 @@ static void tegra_crtc_commit(struct drm_crtc *crtc) tegra_dc_commit(dc); } -static void tegra_crtc_load_lut(struct drm_crtc *crtc) -{ -} - static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { .disable = tegra_crtc_disable, .mode_fixup = tegra_crtc_mode_fixup, @@ -1130,7 +1126,6 @@ static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { .mode_set_base = tegra_crtc_mode_set_base, .prepare = tegra_crtc_prepare, .commit = tegra_crtc_commit, - .load_lut = tegra_crtc_load_lut, }; static irqreturn_t tegra_dc_irq(int irq, void *data) |