Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.1 018/141] drm/amd/display: Disable ABM before destroy ABM struct | Date | Fri, 19 Jul 2019 00:00:43 -0400 |
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From: Paul Hsieh <paul.hsieh@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.hsieh@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@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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