diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_tv.c | 14 |
3 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 70c22b12b7c..84bd8d36ce0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3971,6 +3971,14 @@ static bool intel_crtc_compute_config(struct drm_crtc *crtc, adjusted_mode->hsync_start == adjusted_mode->hdisplay) return false; + if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10) { + pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ + } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8) { + /* only a 8bpc pipe, with 6bpc dither through the panel fitter + * for lvds. */ + pipe_config->pipe_bpp = 8*3; + } + return true; } diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index c6fbfd1afc0..80f8680337d 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1048,6 +1048,9 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder, struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; struct drm_display_mode *mode = &pipe_config->requested_mode; + DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n"); + pipe_config->pipe_bpp = 8*3; + if (HAS_PCH_SPLIT(encoder->base.dev)) pipe_config->has_pch_encoder = true; diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index d808421c1c8..66737265200 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -905,11 +905,10 @@ intel_tv_mode_valid(struct drm_connector *connector, static bool -intel_tv_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +intel_tv_compute_config(struct intel_encoder *encoder, + struct intel_crtc_config *pipe_config) { - struct intel_tv *intel_tv = enc_to_intel_tv(encoder); + struct intel_tv *intel_tv = enc_to_intel_tv(&encoder->base); const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv); if (!tv_mode) @@ -918,7 +917,10 @@ intel_tv_mode_fixup(struct drm_encoder *encoder, if (intel_encoder_check_is_cloned(&intel_tv->base)) return false; - adjusted_mode->clock = tv_mode->clock; + pipe_config->adjusted_mode.clock = tv_mode->clock; + DRM_DEBUG_KMS("forcing bpc to 8 for TV\n"); + pipe_config->pipe_bpp = 8*3; + return true; } @@ -1485,7 +1487,6 @@ out: } static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = { - .mode_fixup = intel_tv_mode_fixup, .mode_set = intel_tv_mode_set, }; @@ -1620,6 +1621,7 @@ intel_tv_init(struct drm_device *dev) drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs, DRM_MODE_ENCODER_TVDAC); + intel_encoder->compute_config = intel_tv_compute_config; intel_encoder->enable = intel_enable_tv; intel_encoder->disable = intel_disable_tv; intel_encoder->get_hw_state = intel_tv_get_hw_state; |