On Wed, Jul 29, 2015 at 11:49 AM, Ilia Mirkin <imirkin@xxxxxxxxxxxx> wrote:
> On Wed, Jul 29, 2015 at 3:44 AM, Oded Gabbay <oded.gabbay@xxxxxxxxx> wrote:
>> The wrong define was used to check if the hqd is still active
>>
>> Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxxxx>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> index 2daad33..6a45330 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> @@ -450,7 +450,8 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
>>
>> while (true) {
>> temp = RREG32(mmCP_HQD_ACTIVE);
>> - if (temp & CP_HQD_ACTIVE__ACTIVE__SHIFT)
>> + if (temp & (CP_HQD_ACTIVE__ACTIVE_MASK <<
>> + CP_HQD_ACTIVE__ACTIVE__SHIFT))
>
> It's a bit moot here since the shift is 0, but I thought the mask
> normally included the shift already...
>
> #define CP_MQD_BASE_ADDR__BASE_ADDR_MASK 0xfffffffc
> #define CP_MQD_BASE_ADDR__BASE_ADDR__SHIFT 0x2
>
> #define CP_HPD_EOP_CONTROL__PEND_SIG_SEM_MASK 0x80000000
> #define CP_HPD_EOP_CONTROL__PEND_SIG_SEM__SHIFT 0x1f
>
> etc.
>
Absolutely correct and although it is muted here, still best practice
is to fix that.
Thanks!
Oded
>> break;
>> if (timeout == 0) {
>> pr_err("kfd: cp queue preemption time out (%dms)\n",
>> --
>> 2.4.3
>>
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