Patch "drm/amdgpu: Disable UVD PG" has been added to the 4.2-stable tree

Patch "drm/amdgpu: Disable UVD PG" has been added to the 4.2-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/amdgpu: Disable UVD PG

to the 4.2-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-disable-uvd-pg.patch
and it can be found in the queue-4.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 1ee4478a26cf55c8f8a6219d7e99f2b48959394d Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Thu, 10 Sep 2015 13:41:38 -0400
Subject: drm/amdgpu: Disable UVD PG
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Leo Liu <leo.liu@amd.com>

commit 1ee4478a26cf55c8f8a6219d7e99f2b48959394d upstream.

This causes problems with multiple suspend/resume cycles.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/vi.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1290,7 +1290,8 @@ static int vi_common_early_init(void *ha
 	case CHIP_CARRIZO:
 		adev->has_uvd = true;
 		adev->cg_flags = 0;
-		adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE;
+		/* Disable UVD pg */
+		adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE;
 		adev->external_rev_id = adev->rev_id + 0x1;
 		if (amdgpu_smc_load_fw && smc_enabled)
 			adev->firmware.smu_load = true;


Patches currently in stable-queue which might be from leo.liu@amd.com are

queue-4.2/drm-amdgpu-fix-the-uvd-suspend-sequence-order.patch
queue-4.2/drm-amdgpu-disable-uvd-pg.patch
queue-4.2/drm-amdgpu-make-uvd-handle-checking-more-strict.patch