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| author | Josip Pavic <Josip.Pavic@amd.com> | 2019-01-30 16:23:47 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-02-19 15:58:26 -0500 |
| commit | 2010840b9b4667d2bd9b45617964d3fa7fb086ea (patch) | |
| tree | 86f169bc054880e5980037d29b740524e7cd6a94 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | 240d09d070a7e082d9cb3c2a6112ce3c43bf5df5 (diff) | |
| download | linux-2010840b9b4667d2bd9b45617964d3fa7fb086ea.tar.bz2 | |
drm/amd/display: send pipe set command to dmcu when backlight is set
[Why]
Previously, a change removed code that would send a pipe set command
to dmcu each time the backlight was set, as it was thought to be
superfluous. However, it is possible for the backlight to be set
before a valid pipe has been set, which causes DMCU to hang after a
DPMS restore on some systems.
[How]
Send a pipe set command to DMCU prior to setting the backlight.
Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
0 files changed, 0 insertions, 0 deletions