diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 77d811993423..146b8173e365 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7933,6 +7933,7 @@ static void haswell_set_pipemisc(struct drm_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *config = intel_crtc->config; if (IS_BROADWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 9) { u32 val = 0; @@ -7958,6 +7959,12 @@ static void haswell_set_pipemisc(struct drm_crtc *crtc) if (intel_crtc->config->dither) val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; + if (config->ycbcr420) { + val |= PIPEMISC_OUTPUT_COLORSPACE_YUV | + PIPEMISC_YUV420_ENABLE | + PIPEMISC_YUV420_MODE_FULL_BLEND; + } + I915_WRITE(PIPEMISC(intel_crtc->pipe), val); } } @@ -9022,6 +9029,23 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, pipe_config->gamma_mode = I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK; + if (IS_BROADWELL(dev_priv) || dev_priv->info.gen >= 9) { + u32 tmp = I915_READ(PIPEMISC(crtc->pipe)); + bool clrspace_yuv = tmp & PIPEMISC_OUTPUT_COLORSPACE_YUV; + + if (IS_GEMINILAKE(dev_priv) || dev_priv->info.gen >= 10) { + bool blend_mode_420 = tmp & + PIPEMISC_YUV420_MODE_FULL_BLEND; + + pipe_config->ycbcr420 = tmp & PIPEMISC_YUV420_ENABLE; + if (pipe_config->ycbcr420 != clrspace_yuv || + pipe_config->ycbcr420 != blend_mode_420) + DRM_DEBUG_KMS("Bad 4:2:0 mode (%08x)\n", tmp); + } else if (clrspace_yuv) { + DRM_DEBUG_KMS("YCbCr 4:2:0 Unsupported\n"); + } + } + power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { power_domain_mask |= BIT_ULL(power_domain); @@ -10401,6 +10425,9 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, pipe_config->fdi_lanes, &pipe_config->fdi_m_n); + if (pipe_config->ycbcr420) + DRM_DEBUG_KMS("YCbCr 4:2:0 output enabled\n"); + if (intel_crtc_has_dp_encoder(pipe_config)) { intel_dump_m_n_config(pipe_config, "dp m_n", pipe_config->lane_count, &pipe_config->dp_m_n); |