[PATCH 00/14] gpu soft reset patches

[Christian König]

Am 19.07.2016 um 10:13 schrieb Chunming Zhou:
> The series is to add gpu soft reset:
> Check gpu status first, if MC/VMC/DISPLAY hang, directly triger full reset.
> If engine hangs, then triger engine soft reset, if soft reset fails, will
> fallback to full reset.
>
> tests:
> gfx and sdma engines are tested successfully by soft reset on Fiji.

Most patches look good to me, but doing a whole bunch of soft resets at 
the same time again looks very strange to me.

Regards,
Christian.

>
> Chunming Zhou (14):
>    drm/amdgpu: add check_soft_reset ip func
>    drm/amdgpu: implement gfx8 check_soft_reset
>    drm/amdgpu: add pre_soft_reset ip func
>    drm/amdgpu: add gfx8 pre soft reset
>    drm/amdgpu: add amdgpu soft reset
>    drm/amdgpu: add post soft reset ip func
>    drm/amdgpu: implement gfx8 post_soft_reset
>    drm/amdgpu: implement sdma3 check/pre/post_soft_reset
>    drm/amdgpu: soft reset at a time
>    drm/amdgpu: implement gmc8 check/pre/post_soft_reset
>    drm/amdgpu: implement vi ih check_soft_reset
>    drm/amdgpu: implement UVD6 check/pre/post_soft_reset
>    drm/amdgpu: implement vce3 check/post_soft_reset
>    drm/amdgpu: add some print for soft reset
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        |   4 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  91 ++++++++++++
>   drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c      | 225 ++++++++++++++++++++++-------
>   drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c      |  57 +++++---
>   drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c     |  82 +++++++++--
>   drivers/gpu/drm/amd/amdgpu/tonga_ih.c      |  28 ++--
>   drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c      |  41 +++++-
>   drivers/gpu/drm/amd/amdgpu/vce_v3_0.c      |  71 ++++++++-
>   drivers/gpu/drm/amd/amdgpu/vi.c            |  61 ++++++++
>   drivers/gpu/drm/amd/include/amd_shared.h   |   6 +
>   10 files changed, 558 insertions(+), 108 deletions(-)
>