diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-03-26 16:25:51 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-03-27 15:19:41 +0200 |
| commit | 37aa52bff2bcd4377c0f747f730f3d436f2fe58e (patch) | |
| tree | b221e16cc37d167a37347397f5acc388e41e7d62 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | drm/i915/icl: Fix VEBOX mismatch BUG_ON() (diff) | |
| download | linux-dev-37aa52bff2bcd4377c0f747f730f3d436f2fe58e.tar.xz linux-dev-37aa52bff2bcd4377c0f747f730f3d436f2fe58e.zip | |
drm/i915: Add broadcast RGB property for DP MST
Add the "Broadcast RGB" property to MST connectors, and implement
the same logic for it as we have in the SST code.
v2: Extract and reuse intel_dp_limited_color_range()
Cc: Ivan Vlk <ari@adyline.sk>
Tested-by: Ivan Vlk <ari@adyline.sk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108821
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com> #v1
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-1-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 74fe14103459..352dca9a9d51 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2107,6 +2107,29 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, return 0; } +bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + const struct intel_digital_connector_state *intel_conn_state = + to_intel_digital_connector_state(conn_state); + const struct drm_display_mode *adjusted_mode = + &crtc_state->base.adjusted_mode; + + if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) { + /* + * See: + * CEA-861-E - 5.1 Default Encoding Parameters + * VESA DisplayPort Ver.1.2a - 5.1.1.1 Video Colorimetry + */ + return crtc_state->pipe_bpp != 18 && + drm_default_rgb_quant_range(adjusted_mode) == + HDMI_QUANTIZATION_RANGE_LIMITED; + } else { + return intel_conn_state->broadcast_rgb == + INTEL_BROADCAST_RGB_LIMITED; + } +} + int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, @@ -2175,20 +2198,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, if (ret < 0) return ret; - if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) { - /* - * See: - * CEA-861-E - 5.1 Default Encoding Parameters - * VESA DisplayPort Ver.1.2a - 5.1.1.1 Video Colorimetry - */ - pipe_config->limited_color_range = - pipe_config->pipe_bpp != 18 && - drm_default_rgb_quant_range(adjusted_mode) == - HDMI_QUANTIZATION_RANGE_LIMITED; - } else { - pipe_config->limited_color_range = - intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED; - } + pipe_config->limited_color_range = + intel_dp_limited_color_range(pipe_config, conn_state); if (!pipe_config->dsc_params.compression_enable) intel_link_compute_m_n(pipe_config->pipe_bpp, |