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authorAlex Deucher <alexander.deucher@amd.com>2020-12-10 02:30:39 -0500
committerAlex Deucher <alexander.deucher@amd.com>2021-05-19 22:44:36 -0400
commit7230362c78d441020a47d7d5ca81f8a3d07bd9f0 (patch)
tree1b651dd85264129652a0d5c939eef6bf512c91e9 /drivers/gpu/drm/amd
parent3d6c91641bc8a883b0c810ac1a919db29ebd5ee7 (diff)
downloadlinux-7230362c78d441020a47d7d5ca81f8a3d07bd9f0.tar.bz2
drm/amdgpu/display: restore the backlight on modeset (v2)
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@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c6
1 files changed, 6 insertions, 0 deletions
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 8a27666ef939..18960867a831 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9093,6 +9093,12 @@ 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