From: Paul Hsieh <paul.hs...@amd.com>
[ Upstream commit 1090d58d4815b1fcd95a80987391006c86398b4c ]
[Why]
When disable driver, OS will set backlight optimization
then do stop device. But this flag will cause driver to
enable ABM when driver disabled.
[How]
Send ABM disable command before destroy ABM construct
Signed-off-by: Paul Hsieh <paul.hs...@amd.com>
Reviewed-by: Anthony Koo <anthony....@amd.com>
Acked-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index da96229db53a..2959c3c9390b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -473,6 +473,8 @@ void dce_abm_destroy(struct abm **abm)
{
struct dce_abm *abm_dce = TO_DCE_ABM(*abm);
+ abm_dce->base.funcs->set_abm_immediate_disable(*abm);
+
kfree(abm_dce);
*abm = NULL;
}
--
2.20.1
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