diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 0c7755e915d9..5cce9459e93c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2150,6 +2150,16 @@ bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state, const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode; + /* + * Our YCbCr output is always limited range. + * crtc_state->limited_color_range only applies to RGB, + * and it must never be set for YCbCr or we risk setting + * some conflicting bits in PIPECONF which will mess up + * the colors on the monitor. + */ + if (crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB) + return false; + if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) { /* * See: |