From: Alex Deucher <alexander.deucher@xxxxxxx> [ Upstream commit 7230362c78d441020a47d7d5ca81f8a3d07bd9f0 ] To stay consistent with the user's setting. v2: rebase on multi-eDP support Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1337 Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 875fd187463e..62663e287b21 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8967,6 +8967,12 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) /* Update audio instances for each connector. */ amdgpu_dm_commit_audio(dev, state); +#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || \ + defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) + /* restore the backlight level */ + if (dm->backlight_dev) + amdgpu_dm_backlight_set_level(dm, dm->brightness[0]); +#endif /* * send vblank event on all events not handled in flip and * mark consumed event for drm_atomic_helper_commit_hw_done -- 2.30.2
