[PATCH 1/2] drm/radeon: activate UVD clocks before sending the destroy msg

[Alex Deucher]

On Mon, Nov 11, 2013 at 3:54 AM, Christian König
<deathsimple at vodafone.de> wrote:
> Am 30.10.2013 15:29, schrieb Alex Deucher:
>>
>> On Wed, Oct 30, 2013 at 7:56 AM, Christian König
>> <deathsimple at vodafone.de> wrote:
>>>
>>> From: Christian König <christian.koenig at amd.com>
>>>
>>> Make sure the UVD clocks are still active before sending
>>> the destroy message, otherwise the hw might hang.
>>>
>>> Signed-off-by: Christian König <christian.koenig at amd.com>
>>> Cc: stable at vger.kernel.org
>>
>> Both applied!
>
>
> On which branch? Those two where intended for drm-fixes-3.12, but they
> didn't showed up in 3.12.0.
>
> Could you apply them to drm-fixes-3.12 as well? They prevent hw lockups in
> case of crashed userspace applications and should also go into older stable
> kernels.

It was too late for 3.12.  They'll be in 3.13 and I cc'ed stable:
http://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=c154a76311293f9671439286834aa325b7ef59fe
http://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=727ddc84a1373bf06b2fa261f44e38fb0faf5340

I can push to my fdo drm-fixes-3.12 branch too if you want.

Alex

>
> Christian.
>
>> Alex
>>
>>> ---
>>>   drivers/gpu/drm/radeon/radeon_uvd.c | 2 ++
>>>   1 file changed, 2 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c
>>> b/drivers/gpu/drm/radeon/radeon_uvd.c
>>> index 308eff5..a56dfe4 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_uvd.c
>>> +++ b/drivers/gpu/drm/radeon/radeon_uvd.c
>>> @@ -240,6 +240,8 @@ void radeon_uvd_free_handles(struct radeon_device
>>> *rdev, struct drm_file *filp)
>>>                  if (handle != 0 && rdev->uvd.filp[i] == filp) {
>>>                          struct radeon_fence *fence;
>>>
>>> +                       radeon_uvd_note_usage(rdev);
>>> +
>>>                          r = radeon_uvd_get_destroy_msg(rdev,
>>>                                  R600_RING_TYPE_UVD_INDEX, handle,
>>> &fence);
>>>                          if (r) {
>>> --
>>> 1.8.1.2
>>>
>