Patch "drm/amdgpu: disable runtime pm in certain cases" has been added to the 4.4-stable tree

Patch "drm/amdgpu: disable runtime pm in certain cases" has been added to the 4.4-stable tree

[gregkh]

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

    drm/amdgpu: disable runtime pm in certain cases

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-disable-runtime-pm-in-certain-cases.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@vger.kernel.org> know about it.


>From 84b1528e8cef55274f0df20e93513b3060ce495a Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 31 Oct 2016 11:02:31 -0400
Subject: drm/amdgpu: disable runtime pm in certain cases
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Alex Deucher <alexander.deucher@amd.com>

commit 84b1528e8cef55274f0df20e93513b3060ce495a upstream.

If the platform does not support hybrid graphics or ATPX dGPU
power control.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -96,6 +96,8 @@ int amdgpu_driver_load_kms(struct drm_de
 
 	if ((amdgpu_runtime_pm != 0) &&
 	    amdgpu_has_atpx() &&
+	    (amdgpu_is_atpx_hybrid() ||
+	     amdgpu_has_atpx_dgpu_power_cntl()) &&
 	    ((flags & AMD_IS_APU) == 0))
 		flags |= AMD_IS_PX;
 


Patches currently in stable-queue which might be from alexander.deucher@amd.com are

queue-4.4/drm-radeon-disable-runtime-pm-in-certain-cases.patch
queue-4.4/drm-amdgpu-disable-runtime-pm-in-certain-cases.patch