From: Paul Hsieh <[email protected]> [ 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 <[email protected]> Reviewed-by: Anthony Koo <[email protected]> Acked-by: Bhawanpreet Lakha <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- 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
