diff options
| author | Ville Syrjälä <[email protected]> | 2022-10-26 14:39:04 +0300 |
|---|---|---|
| committer | Ville Syrjälä <[email protected]> | 2022-11-03 18:16:18 +0200 |
| commit | 4c0119dd0a7728456a2394c1bc0aa612e1f2c3cb (patch) | |
| tree | e3ccaf18076f7c459dd45717a217ace2779cafbd | |
| parent | 6d5e733f3ac1ad68a6230f44069b14bea2a9bdb3 (diff) | |
drm/i915: Reject YCbCr output with degamma+gamma on pre-icl
Since the pipe CSC sits between the degamma and gamma LUTs there
is no way to make us it for RGB->YCbCr conversion when both LUTs
are also active. Simply reject such combos.
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Ankit Nautiyal <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_color.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 435394cad359..926784f266f2 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -1556,7 +1556,14 @@ static int ivb_color_check(struct intel_crtc_state *crtc_state) if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB && crtc_state->hw.ctm) { drm_dbg_kms(&i915->drm, - "YCBCR and CTM together are not possible\n"); + "YCbCr and CTM together are not possible\n"); + return -EINVAL; + } + + if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB && + crtc_state->hw.degamma_lut && crtc_state->hw.gamma_lut) { + drm_dbg_kms(&i915->drm, + "YCbCr and degamma+gamma together are not possible\n"); return -EINVAL; } @@ -1622,7 +1629,14 @@ static int glk_color_check(struct intel_crtc_state *crtc_state) if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB && crtc_state->hw.ctm) { drm_dbg_kms(&i915->drm, - "YCBCR and CTM together are not possible\n"); + "YCbCr and CTM together are not possible\n"); + return -EINVAL; + } + + if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB && + crtc_state->hw.degamma_lut && crtc_state->hw.gamma_lut) { + drm_dbg_kms(&i915->drm, + "YCbCr and degamma+gamma together are not possible\n"); return -EINVAL; } |