[PATCH 1/1] drm/amdgpu: fix ctx init failure for asics without gfx ring

[Christian König]

Am 19.12.19 um 13:01 schrieb Nirmoy:
> Reviewed-by: Nirmoy Das <nirmoy.das at amd.com>
>
> On 12/19/19 12:42 PM, Le Ma wrote:
>> This workaround does not affect other asics because amdgpu only need 
>> expose
>> one gfx sched to user for now.
>>
>> Change-Id: Ica92b8565a89899aebe0eba7b2b5a25159b411d3
>> Signed-off-by: Le Ma <le.ma at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c 
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>> index 63f6365..64e2bab 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>> @@ -127,7 +127,8 @@ static int amdgpu_ctx_init(struct amdgpu_device 
>> *adev,
>>             switch (i) {
>>           case AMDGPU_HW_IP_GFX:
>> -            scheds = adev->gfx.gfx_sched;
>> +            sched = &adev->gfx.gfx_ring[0].sched;
>> +            scheds = &sched;
>>               num_scheds = 1;

Mhm, we should probably rather fix this here and don't expose a GFX ring 
when the hardware doesn't have one.

Christian.

>>               break;
>>           case AMDGPU_HW_IP_COMPUTE:
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