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drm/amd/display: Update color props when modeset is required

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This fixes issues where color management properties don't persist
over DPMS on/off, or when the CRTC is moved across connectors.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo (Sunpeng) Li 2018-05-31 10:23:37 -04:00 committed by Alex Deucher
parent a9e8d27574
commit bc13f2f88e
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -4717,8 +4717,12 @@ next_crtc:
update_stream_scaling_settings(
&new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
/* Color managment settings */
if (dm_new_crtc_state->base.color_mgmt_changed) {
/*
* Color management settings. We also update color properties
* when a modeset is needed, to ensure it gets reprogrammed.
*/
if (dm_new_crtc_state->base.color_mgmt_changed ||
drm_atomic_crtc_needs_modeset(new_crtc_state)) {
ret = amdgpu_dm_set_regamma_lut(dm_new_crtc_state);
if (ret)
goto fail;