答复: 答复: [PATCH] drm/amdgpu: fix the wrong value of UVD bo size

[Jim.Qu@xxxxxxx (Qu, Jim)]

OK.

Thanks
JimQu

________________________________________
å??件人: Christian König <deathsimple at vodafone.de>
å??é??æ?¶é?´: 2016å¹´8æ??23æ?¥ 16:53:50
�件人: Qu, Jim; amd-gfx at lists.freedesktop.org
主�: Re: ��: [PATCH] drm/amdgpu: fix the wrong value of UVD bo size

> I will update the patch.
Let me do this. I already had a couple of other TODOs on this part of
the code.

Christian.

Am 23.08.2016 um 10:33 schrieb Qu, Jim:
> Hi Christian:
>
> Yes, I have misunderstand the AMDGPU_UVD_FIRMWARE_OFFSET in amdgpu_uvd_mc_resume().
>
> I will update the patch.
>
> Thanks
> JimQu
>
> ________________________________________
> å??件人: Christian König <deathsimple at vodafone.de>
> å??é??æ?¶é?´: 2016å¹´8æ??23æ?¥ 16:02:11
> �件人: Qu, Jim; amd-gfx at lists.freedesktop.org
> 主�: Re: [PATCH] drm/amdgpu: fix the wrong value of UVD bo size
>
> Am 23.08.2016 um 08:20 schrieb jimqu:
>> Driver allocate bo for restore UVD fw ,cache, stack , etc.
>> the firmware size is not only ucode size but the ucode and header.
> Nope that isn't correct. Only the firmware is copied to the BO, not the
> header. See amdgpu_uvd_resume().
>
> Saying this we should probably use the length from the header instead of
> calculating it manually again in amdgpu_uvd_resume().
>
> Christian.
>
>> Change-Id: I886c099fa123c4814de9b7db3559c30e7b41fd1b
>> Signed-off-by: JimQu <Jim.Qu at amd.com>
>> ---
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 +-
>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> index 533d702..13ad44e 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> @@ -198,7 +198,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
>>                DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
>>                          version_major, version_minor);
>>
>> -     bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
>> +     bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(adev->uvd.fw->size) + 8)
>>                  +  AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
>>                  +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
>>        r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
>
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