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From: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Anthony Koo <Anthony.Koo-5C7GfCeVMHo@public.gmane.org>,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>,
	Paul Hsieh <paul.hsieh-5C7GfCeVMHo@public.gmane.org>,
	Bhawanpreet Lakha
	<Bhawanpreet.Lakha-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH AUTOSEL 4.19 012/101] drm/amd/display: Disable ABM before destroy ABM struct
Date: Fri, 19 Jul 2019 00:06:03 -0400	[thread overview]
Message-ID: <20190719040732.17285-12-sashal@kernel.org> (raw)
In-Reply-To: <20190719040732.17285-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

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 29294db1a96b..070ab56a8aca 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -474,6 +474,8 @@ 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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  parent reply	other threads:[~2019-07-19  4:06 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190719040732.17285-1-sashal@kernel.org>
2019-07-19  4:06 ` [PATCH AUTOSEL 4.19 010/101] drm/amd/display: Fill prescale_params->scale for RGB565 Sasha Levin
2019-07-19  4:06 ` [PATCH AUTOSEL 4.19 011/101] drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE Sasha Levin
2019-07-19  4:06 ` [PATCH AUTOSEL 4.19 013/101] drm/amdkfd: Fix a potential memory leak Sasha Levin
     [not found] ` <20190719040732.17285-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2019-07-19  4:06   ` Sasha Levin [this message]
2019-07-19  4:06   ` [PATCH AUTOSEL 4.19 014/101] drm/amdkfd: Fix sdma queue map issue Sasha Levin
2019-07-19  4:06   ` [PATCH AUTOSEL 4.19 026/101] drm/amd/display: Always allocate initial connector state state Sasha Levin
2019-07-19  4:06   ` [PATCH AUTOSEL 4.19 029/101] drm/amd/display: fix compilation error Sasha Levin

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