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drm/amd/display: Disable ABM before destroy ABM struct

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[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>
This commit is contained in:
Paul Hsieh 2019-05-03 23:50:10 +08:00 committed by Alex Deucher
parent ccd76ebce4
commit 1090d58d48
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
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@ -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;
}