diff options
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.c | 47 | ||||
-rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/armada/armada_overlay.c | 38 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_cdclk.c | 35 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 14 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 16 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 11 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c | 46 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 |
15 files changed, 126 insertions, 102 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h index a9782b1aba47..34daf895f848 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h @@ -1360,7 +1360,7 @@ void dpp1_cm_set_output_csc_adjustment( void dpp1_cm_set_output_csc_default( struct dpp *dpp_base, - const struct default_adjustment *default_adjust); + enum dc_color_space colorspace); void dpp1_cm_set_gamut_remap( struct dpp *dpp, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c index 40627c244bf5..ed1216b53465 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c @@ -225,14 +225,13 @@ void dpp1_cm_set_gamut_remap( void dpp1_cm_set_output_csc_default( struct dpp *dpp_base, - const struct default_adjustment *default_adjust) + enum dc_color_space colorspace) { struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base); uint32_t ocsc_mode = 0; - if (default_adjust != NULL) { - switch (default_adjust->out_color_space) { + switch (colorspace) { case COLOR_SPACE_SRGB: case COLOR_SPACE_2020_RGB_FULLRANGE: ocsc_mode = 0; @@ -253,7 +252,6 @@ void dpp1_cm_set_output_csc_default( case COLOR_SPACE_UNKNOWN: default: break; - } } REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 961ad5c3b454..05dc01e54531 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2097,6 +2097,8 @@ static void program_csc_matrix(struct pipe_ctx *pipe_ctx, tbl_entry.color_space = color_space; //tbl_entry.regval = matrix; pipe_ctx->plane_res.dpp->funcs->opp_set_csc_adjustment(pipe_ctx->plane_res.dpp, &tbl_entry); + } else { + pipe_ctx->plane_res.dpp->funcs->opp_set_csc_default(pipe_ctx->plane_res.dpp, colorspace); } } static bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx) diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h index 83a68460edcd..9420dfb94d39 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h @@ -64,7 +64,7 @@ struct dpp_funcs { void (*opp_set_csc_default)( struct dpp *dpp, - const struct default_adjustment *default_adjust); + enum dc_color_space colorspace); void (*opp_set_csc_adjustment)( struct dpp *dpp, diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 2e065facdce7..a0f4d2a2a481 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -168,16 +168,23 @@ static void armada_drm_crtc_update(struct armada_crtc *dcrtc) void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb, int x, int y) { + const struct drm_format_info *format = fb->format; + unsigned int num_planes = format->num_planes; u32 addr = drm_fb_obj(fb)->dev_addr; - int num_planes = fb->format->num_planes; int i; if (num_planes > 3) num_planes = 3; - for (i = 0; i < num_planes; i++) + addrs[0] = addr + fb->offsets[0] + y * fb->pitches[0] + + x * format->cpp[0]; + + y /= format->vsub; + x /= format->hsub; + + for (i = 1; i < num_planes; i++) addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] + - x * fb->format->cpp[i]; + x * format->cpp[i]; for (; i < 3; i++) addrs[i] = 0; } @@ -744,15 +751,14 @@ void armada_drm_crtc_plane_disable(struct armada_crtc *dcrtc, if (plane->fb) drm_framebuffer_put(plane->fb); - /* Power down the Y/U/V FIFOs */ - sram_para1 = CFG_PDWN16x66 | CFG_PDWN32x66; - /* Power down most RAMs and FIFOs if this is the primary plane */ if (plane->type == DRM_PLANE_TYPE_PRIMARY) { - sram_para1 |= CFG_PDWN256x32 | CFG_PDWN256x24 | CFG_PDWN256x8 | - CFG_PDWN32x32 | CFG_PDWN64x66; + sram_para1 = CFG_PDWN256x32 | CFG_PDWN256x24 | CFG_PDWN256x8 | + CFG_PDWN32x32 | CFG_PDWN64x66; dma_ctrl0_mask = CFG_GRA_ENA; } else { + /* Power down the Y/U/V FIFOs */ + sram_para1 = CFG_PDWN16x66 | CFG_PDWN32x66; dma_ctrl0_mask = CFG_DMA_ENA; } @@ -1225,17 +1231,13 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, ret = devm_request_irq(dev, irq, armada_drm_irq, 0, "armada_drm_crtc", dcrtc); - if (ret < 0) { - kfree(dcrtc); - return ret; - } + if (ret < 0) + goto err_crtc; if (dcrtc->variant->init) { ret = dcrtc->variant->init(dcrtc, dev); - if (ret) { - kfree(dcrtc); - return ret; - } + if (ret) + goto err_crtc; } /* Ensure AXI pipeline is enabled */ @@ -1246,13 +1248,15 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, dcrtc->crtc.port = port; primary = kzalloc(sizeof(*primary), GFP_KERNEL); - if (!primary) - return -ENOMEM; + if (!primary) { + ret = -ENOMEM; + goto err_crtc; + } ret = armada_drm_plane_init(primary); if (ret) { kfree(primary); - return ret; + goto err_crtc; } ret = drm_universal_plane_init(drm, &primary->base, 0, @@ -1263,7 +1267,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { kfree(primary); - return ret; + goto err_crtc; } ret = drm_crtc_init_with_planes(drm, &dcrtc->crtc, &primary->base, NULL, @@ -1282,6 +1286,9 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, err_crtc_init: primary->base.funcs->destroy(&primary->base); +err_crtc: + kfree(dcrtc); + return ret; } diff --git a/drivers/gpu/drm/armada/armada_crtc.h b/drivers/gpu/drm/armada/armada_crtc.h index bab11f483575..bfd3514fbe9b 100644 --- a/drivers/gpu/drm/armada/armada_crtc.h +++ b/drivers/gpu/drm/armada/armada_crtc.h @@ -42,6 +42,8 @@ struct armada_plane_work { }; struct armada_plane_state { + u16 src_x; + u16 src_y; u32 src_hw; u32 dst_hw; u32 dst_yx; diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index b411b608821a..aba947696178 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -99,6 +99,7 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, { struct armada_ovl_plane *dplane = drm_to_armada_ovl_plane(plane); struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); + const struct drm_format_info *format; struct drm_rect src = { .x1 = src_x, .y1 = src_y, @@ -117,7 +118,7 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, }; uint32_t val, ctrl0; unsigned idx = 0; - bool visible; + bool visible, fb_changed; int ret; trace_armada_ovl_plane_update(plane, crtc, fb, @@ -138,6 +139,18 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, if (!visible) ctrl0 &= ~CFG_DMA_ENA; + /* + * Shifting a YUV packed format image by one pixel causes the U/V + * planes to swap. Compensate for it by also toggling the UV swap. + */ + format = fb->format; + if (format->num_planes == 1 && src.x1 >> 16 & (format->hsub - 1)) + ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV); + + fb_changed = plane->fb != fb || + dplane->base.state.src_x != src.x1 >> 16 || + dplane->base.state.src_y != src.y1 >> 16; + if (!dcrtc->plane) { dcrtc->plane = plane; armada_ovl_update_attr(&dplane->prop, dcrtc); @@ -145,7 +158,7 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, /* FIXME: overlay on an interlaced display */ /* Just updating the position/size? */ - if (plane->fb == fb && dplane->base.state.ctrl0 == ctrl0) { + if (!fb_changed && dplane->base.state.ctrl0 == ctrl0) { val = (drm_rect_height(&src) & 0xffff0000) | drm_rect_width(&src) >> 16; dplane->base.state.src_hw = val; @@ -169,9 +182,8 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, if (armada_drm_plane_work_wait(&dplane->base, HZ / 25) == 0) armada_drm_plane_work_cancel(dcrtc, &dplane->base); - if (plane->fb != fb) { - u32 addrs[3], pixel_format; - int num_planes, hsub; + if (fb_changed) { + u32 addrs[3]; /* * Take a reference on the new framebuffer - we want to @@ -182,23 +194,11 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, if (plane->fb) armada_ovl_retire_fb(dplane, plane->fb); - src_y = src.y1 >> 16; - src_x = src.x1 >> 16; + dplane->base.state.src_y = src_y = src.y1 >> 16; + dplane->base.state.src_x = src_x = src.x1 >> 16; armada_drm_plane_calc_addrs(addrs, fb, src_x, src_y); - pixel_format = fb->format->format; - hsub = drm_format_horz_chroma_subsampling(pixel_format); - num_planes = fb->format->num_planes; - - /* - * Annoyingly, shifting a YUYV-format image by one pixel - * causes the U/V planes to toggle. Toggle the UV swap. - * (Unfortunately, this causes momentary colour flickering.) - */ - if (src_x & (hsub - 1) && num_planes == 1) - ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV); - armada_reg_queue_set(dplane->vbl.regs, idx, addrs[0], LCD_SPU_DMA_START_ADDR_Y0); armada_reg_queue_set(dplane->vbl.regs, idx, addrs[1], diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 54b5d4c582b6..e143004e66d5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2368,6 +2368,9 @@ struct drm_i915_private { */ struct workqueue_struct *wq; + /* ordered wq for modesets */ + struct workqueue_struct *modeset_wq; + /* Display functions */ struct drm_i915_display_funcs display; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3866c49bc390..333f40bc03bb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6977,6 +6977,7 @@ enum { #define RESET_PCH_HANDSHAKE_ENABLE (1<<4) #define GEN8_CHICKEN_DCPR_1 _MMIO(0x46430) +#define SKL_SELECT_ALTERNATE_DC_EXIT (1<<30) #define MASK_WAKEMEM (1<<13) #define SKL_DFSM _MMIO(0x51000) @@ -8522,6 +8523,7 @@ enum skl_power_gate { #define BXT_CDCLK_CD2X_DIV_SEL_2 (2<<22) #define BXT_CDCLK_CD2X_DIV_SEL_4 (3<<22) #define BXT_CDCLK_CD2X_PIPE(pipe) ((pipe)<<20) +#define CDCLK_DIVMUX_CD_OVERRIDE (1<<19) #define BXT_CDCLK_CD2X_PIPE_NONE BXT_CDCLK_CD2X_PIPE(3) #define BXT_CDCLK_SSA_PRECHARGE_ENABLE (1<<16) #define CDCLK_FREQ_DECIMAL_MASK (0x7ff) diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c index b2a6d62b71c0..60cf4e58389a 100644 --- a/drivers/gpu/drm/i915/intel_cdclk.c +++ b/drivers/gpu/drm/i915/intel_cdclk.c @@ -860,16 +860,10 @@ static void skl_set_preferred_cdclk_vco(struct drm_i915_private *dev_priv, static void skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco) { - int min_cdclk = skl_calc_cdclk(0, vco); u32 val; WARN_ON(vco != 8100000 && vco != 8640000); - /* select the minimum CDCLK before enabling DPLL 0 */ - val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_cdclk); - I915_WRITE(CDCLK_CTL, val); - POSTING_READ(CDCLK_CTL); - /* * We always enable DPLL0 with the lowest link rate possible, but still * taking into account the VCO required to operate the eDP panel at the @@ -923,7 +917,7 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, { int cdclk = cdclk_state->cdclk; int vco = cdclk_state->vco; - u32 freq_select, pcu_ack; + u32 freq_select, pcu_ack, cdclk_ctl; int ret; WARN_ON((cdclk == 24000) != (vco == 0)); @@ -940,7 +934,7 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, return; } - /* set CDCLK_CTL */ + /* Choose frequency for this cdclk */ switch (cdclk) { case 450000: case 432000: @@ -968,10 +962,33 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, dev_priv->cdclk.hw.vco != vco) skl_dpll0_disable(dev_priv); + cdclk_ctl = I915_READ(CDCLK_CTL); + + if (dev_priv->cdclk.hw.vco != vco) { + /* Wa Display #1183: skl,kbl,cfl */ + cdclk_ctl &= ~(CDCLK_FREQ_SEL_MASK | CDCLK_FREQ_DECIMAL_MASK); + cdclk_ctl |= freq_select | skl_cdclk_decimal(cdclk); + I915_WRITE(CDCLK_CTL, cdclk_ctl); + } + + /* Wa Display #1183: skl,kbl,cfl */ + cdclk_ctl |= CDCLK_DIVMUX_CD_OVERRIDE; + I915_WRITE(CDCLK_CTL, cdclk_ctl); + POSTING_READ(CDCLK_CTL); + if (dev_priv->cdclk.hw.vco != vco) skl_dpll0_enable(dev_priv, vco); - I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(cdclk)); + /* Wa Display #1183: skl,kbl,cfl */ + cdclk_ctl &= ~(CDCLK_FREQ_SEL_MASK | CDCLK_FREQ_DECIMAL_MASK); + I915_WRITE(CDCLK_CTL, cdclk_ctl); + + cdclk_ctl |= freq_select | skl_cdclk_decimal(cdclk); + I915_WRITE(CDCLK_CTL, cdclk_ctl); + + /* Wa Display #1183: skl,kbl,cfl */ + cdclk_ctl &= ~CDCLK_DIVMUX_CD_OVERRIDE; + I915_WRITE(CDCLK_CTL, cdclk_ctl); POSTING_READ(CDCLK_CTL); /* inform PCU of the change */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 30cf273d57aa..123585eeb87d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12544,11 +12544,15 @@ static int intel_atomic_commit(struct drm_device *dev, INIT_WORK(&state->commit_work, intel_atomic_commit_work); i915_sw_fence_commit(&intel_state->commit_ready); - if (nonblock) + if (nonblock && intel_state->modeset) { + queue_work(dev_priv->modeset_wq, &state->commit_work); + } else if (nonblock) { queue_work(system_unbound_wq, &state->commit_work); - else + } else { + if (intel_state->modeset) + flush_workqueue(dev_priv->modeset_wq); intel_atomic_commit_tail(state); - + } return 0; } @@ -14462,6 +14466,8 @@ int intel_modeset_init(struct drm_device *dev) enum pipe pipe; struct intel_crtc *crtc; + dev_priv->modeset_wq = alloc_ordered_workqueue("i915_modeset", 0); + drm_mode_config_init(dev); dev->mode_config.min_width = 0; @@ -15270,6 +15276,8 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_cleanup_gt_powersave(dev_priv); intel_teardown_gmbus(dev_priv); + + destroy_workqueue(dev_priv->modeset_wq); } void intel_connector_attach_encoder(struct intel_connector *connector, diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 6e3b430fccdc..55ea5eb3b7df 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -590,7 +590,7 @@ static void hsw_psr_disable(struct intel_dp *intel_dp, struct drm_i915_private *dev_priv = to_i915(dev); if (dev_priv->psr.active) { - i915_reg_t psr_ctl; + i915_reg_t psr_status; u32 psr_status_mask; if (dev_priv->psr.aux_frame_sync) @@ -599,24 +599,24 @@ static void hsw_psr_disable(struct intel_dp *intel_dp, 0); if (dev_priv->psr.psr2_support) { - psr_ctl = EDP_PSR2_CTL; + psr_status = EDP_PSR2_STATUS_CTL; psr_status_mask = EDP_PSR2_STATUS_STATE_MASK; - I915_WRITE(psr_ctl, - I915_READ(psr_ctl) & + I915_WRITE(EDP_PSR2_CTL, + I915_READ(EDP_PSR2_CTL) & ~(EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE)); } else { - psr_ctl = EDP_PSR_STATUS_CTL; + psr_status = EDP_PSR_STATUS_CTL; psr_status_mask = EDP_PSR_STATUS_STATE_MASK; - I915_WRITE(psr_ctl, - I915_READ(psr_ctl) & ~EDP_PSR_ENABLE); + I915_WRITE(EDP_PSR_CTL, + I915_READ(EDP_PSR_CTL) & ~EDP_PSR_ENABLE); } /* Wait till PSR is idle */ if (intel_wait_for_register(dev_priv, - psr_ctl, psr_status_mask, 0, + psr_status, psr_status_mask, 0, 2000)) DRM_ERROR("Timed out waiting for PSR Idle State\n"); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 8af286c63d3b..7e115f3927f6 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -598,6 +598,11 @@ void gen9_enable_dc5(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Enabling DC5\n"); + /* Wa Display #1183: skl,kbl,cfl */ + if (IS_GEN9_BC(dev_priv)) + I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | + SKL_SELECT_ALTERNATE_DC_EXIT); + gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5); } @@ -625,6 +630,11 @@ void skl_disable_dc6(struct drm_i915_private *dev_priv) { DRM_DEBUG_KMS("Disabling DC6\n"); + /* Wa Display #1183: skl,kbl,cfl */ + if (IS_GEN9_BC(dev_priv)) + I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | + SKL_SELECT_ALTERNATE_DC_EXIT); + gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); } @@ -1786,6 +1796,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ BIT_ULL(POWER_DOMAIN_MODESET) | \ BIT_ULL(POWER_DOMAIN_AUX_A) | \ + BIT_ULL(POWER_DOMAIN_GMBUS) | \ BIT_ULL(POWER_DOMAIN_INIT)) #define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index e626eddf24d5..23db74ae1826 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -78,6 +78,8 @@ static void hdmi_cec_received_msg(struct hdmi_core_data *core) /* then read the message */ msg.len = cnt & 0xf; + if (msg.len > CEC_MAX_MSG_SIZE - 2) + msg.len = CEC_MAX_MSG_SIZE - 2; msg.msg[0] = hdmi_read_reg(core->base, HDMI_CEC_RX_CMD_HEADER); msg.msg[1] = hdmi_read_reg(core->base, @@ -104,26 +106,6 @@ static void hdmi_cec_received_msg(struct hdmi_core_data *core) } } -static void hdmi_cec_transmit_fifo_empty(struct hdmi_core_data *core, u32 stat1) -{ - if (stat1 & 2) { - u32 dbg3 = hdmi_read_reg(core->base, HDMI_CEC_DBG_3); - - cec_transmit_done(core->adap, - CEC_TX_STATUS_NACK | - CEC_TX_STATUS_MAX_RETRIES, - 0, (dbg3 >> 4) & 7, 0, 0); - } else if (stat1 & 1) { - cec_transmit_done(core->adap, - CEC_TX_STATUS_ARB_LOST | - CEC_TX_STATUS_MAX_RETRIES, - 0, 0, 0, 0); - } else if (stat1 == 0) { - cec_transmit_done(core->adap, CEC_TX_STATUS_OK, - 0, 0, 0, 0); - } -} - void hdmi4_cec_irq(struct hdmi_core_data *core) { u32 stat0 = hdmi_read_reg(core->base, HDMI_CEC_INT_STATUS_0); @@ -132,27 +114,21 @@ void hdmi4_cec_irq(struct hdmi_core_data *core) hdmi_write_reg(core->base, HDMI_CEC_INT_STATUS_0, stat0); hdmi_write_reg(core->base, HDMI_CEC_INT_STATUS_1, stat1); - if (stat0 & 0x40) + if (stat0 & 0x20) { + cec_transmit_done(core->adap, CEC_TX_STATUS_OK, + 0, 0, 0, 0); REG_FLD_MOD(core->base, HDMI_CEC_DBG_3, 0x1, 7, 7); - else if (stat0 & 0x24) - hdmi_cec_transmit_fifo_empty(core, stat1); - if (stat1 & 2) { + } else if (stat1 & 0x02) { u32 dbg3 = hdmi_read_reg(core->base, HDMI_CEC_DBG_3); cec_transmit_done(core->adap, CEC_TX_STATUS_NACK | CEC_TX_STATUS_MAX_RETRIES, 0, (dbg3 >> 4) & 7, 0, 0); - } else if (stat1 & 1) { - cec_transmit_done(core->adap, - CEC_TX_STATUS_ARB_LOST | - CEC_TX_STATUS_MAX_RETRIES, - 0, 0, 0, 0); + REG_FLD_MOD(core->base, HDMI_CEC_DBG_3, 0x1, 7, 7); } if (stat0 & 0x02) hdmi_cec_received_msg(core); - if (stat1 & 0x3) - REG_FLD_MOD(core->base, HDMI_CEC_DBG_3, 0x1, 7, 7); } static bool hdmi_cec_clear_tx_fifo(struct cec_adapter *adap) @@ -231,18 +207,14 @@ static int hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable) /* * Enable CEC interrupts: * Transmit Buffer Full/Empty Change event - * Transmitter FIFO Empty event * Receiver FIFO Not Empty event */ - hdmi_write_reg(core->base, HDMI_CEC_INT_ENABLE_0, 0x26); + hdmi_write_reg(core->base, HDMI_CEC_INT_ENABLE_0, 0x22); /* * Enable CEC interrupts: - * RX FIFO Overrun Error event - * Short Pulse Detected event * Frame Retransmit Count Exceeded event - * Start Bit Irregularity event */ - hdmi_write_reg(core->base, HDMI_CEC_INT_ENABLE_1, 0x0f); + hdmi_write_reg(core->base, HDMI_CEC_INT_ENABLE_1, 0x02); /* cec calibration enable (self clearing) */ hdmi_write_reg(core->base, HDMI_CEC_SETUP, 0x03); diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index b5ba6441489f..5d252fb27a82 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -1007,6 +1007,8 @@ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages) pr_info("Initializing pool allocator\n"); _manager = kzalloc(sizeof(*_manager), GFP_KERNEL); + if (!_manager) + return -ENOMEM; ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc", 0); |