On Wed, Jun 24, 2015 at 10:06 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
> On Fri, Jun 12, 2015 at 4:08 AM, Oded Gabbay <oded.gabbay@xxxxxxxxx> wrote:
>> From: Ben Goz <ben.goz@xxxxxxx>
>>
>> Signed-off-by: Ben Goz <ben.goz@xxxxxxx>
>> Acked-by: Oded Gabbay <oded.gabbay@xxxxxxx>
>
> This patch effectively reverts a fix for a hw bug IIRC.
>
> Alex
Hmm, let's see what Ben says about this. To which H/W bug are you referring ?
Oded
>
>> ---
>> drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>> index e4aeb74..7683d7f 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>> @@ -3128,7 +3128,7 @@ static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev)
>> WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER,
>> AMDGPU_DOORBELL_KIQ << 2);
>> WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER,
>> - AMDGPU_DOORBELL_MEC_RING7 << 2);
>> + 0x7FFFF << 2);
>> }
>> tmp = RREG32(mmCP_HQD_PQ_DOORBELL_CONTROL);
>> tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
>> --
>> 2.4.3
>>
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