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authorShashank Sharma <shashank.sharma@intel.com>2018-10-12 09:23:09 +0300
committerJani Nikula <jani.nikula@intel.com>2018-10-15 16:01:50 +0300
commit8c79f844c6d21dd52295d5e1f68129cbd10676fd (patch)
treef43ab6d1a43849af9d98d54576cb94948e6f800e /drivers/gpu/drm/i915/intel_hdmi.c
parent33b7f3ee6e008311876cef3f3629c3affa9ed66c (diff)
downloadlinux-8c79f844c6d21dd52295d5e1f68129cbd10676fd.tar.xz
drm/i915: Add CRTC output format YCBCR 4:4:4
This patch adds support for YCBCR 4:4:4 CRTC output format. To do this, this patch extends the existing YCBCR 4:2:0 framework by: - Adding new parameter in for YCBCR 4:4:4 enum crtc_iutput_format. - Adding case for YCBCR 4:4:4 in while setting AVI infoframes. - Adding necessary checks in modeset sequence. V3: Added this patch in the series V4: Added r-b from Maarten (for v3) Addressed review comment from Ville: Do not use (config->output_format > CRTC_OUTPUT_RGB) V5: Rebase V6: Rebase and small change, to accommodate changes in patch 2 V7: Fixed checkpatch alignment warnings V8: Rebase V9: Rebase V10: Rebase V11: Addressed review comment from Ville Missing output_format_str[INTEL_OUTPUT_FORMAT_YCBCR444] Added Ville's R-B. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-3-git-send-email-shashank.sharma@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 33e1a9a6123a..e2cc5edaeedd 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -480,6 +480,8 @@ static void intel_hdmi_set_avi_infoframe(struct intel_encoder *encoder,
if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
frame.avi.colorspace = HDMI_COLORSPACE_YUV420;
+ else if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444)
+ frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
else
frame.avi.colorspace = HDMI_COLORSPACE_RGB;