This is a note to let you know that I've just added the patch titled
drm/amdgpu: when dpm disabled, also need to stop/start vce.
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-when-dpm-disabled-also-need-to-stop-start-vce.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Nov 6 10:22:56 CET 2017
From: Rex Zhu <Rex.Zhu@xxxxxxx>
Date: Sat, 7 Oct 2017 22:37:46 +0000
Subject: drm/amdgpu: when dpm disabled, also need to stop/start vce.
From: Rex Zhu <Rex.Zhu@xxxxxxx>
[ Upstream commit 28ed5504ab4b211a4e589e648e5ebd1e0caa7a6a ]
Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -284,6 +284,10 @@ static void amdgpu_vce_idle_work_handler
amdgpu_dpm_enable_vce(adev, false);
} else {
amdgpu_asic_set_vce_clocks(adev, 0, 0);
+ amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_GATE);
+ amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_GATE);
}
} else {
schedule_delayed_work(&adev->vce.idle_work,
@@ -315,6 +319,11 @@ static void amdgpu_vce_note_usage(struct
amdgpu_dpm_enable_vce(adev, true);
} else {
amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
+ amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_UNGATE);
+ amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_UNGATE);
+
}
}
}
Patches currently in stable-queue which might be from Rex.Zhu@xxxxxxx are
queue-4.4/drm-amdgpu-when-dpm-disabled-also-need-to-stop-start-vce.patch