Re: [PATCH] drm/amdgpu: simplify gds_compute_max_wave_id computation

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Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

On Mon, Oct 7, 2019 at 2:05 PM Marek Olšák <maraeo@xxxxxxxxx> wrote:
>
> ping
>
> On Wed, Sep 25, 2019 at 4:35 PM Marek Olšák <maraeo@xxxxxxxxx> wrote:
>>
>> From: Marek Olšák <marek.olsak@xxxxxxx>
>>
>> Signed-off-by: Marek Olšák <marek.olsak@xxxxxxx>
>> ---
>>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 13 +++++--------
>>  1 file changed, 5 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
>> index ca01643fa0c8..73cd254449b3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
>> @@ -5275,29 +5275,26 @@ static void gfx_v10_0_set_rlc_funcs(struct amdgpu_device *adev)
>>         case CHIP_NAVI12:
>>                 adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs;
>>                 break;
>>         default:
>>                 break;
>>         }
>>  }
>>
>>  static void gfx_v10_0_set_gds_init(struct amdgpu_device *adev)
>>  {
>> -       /* init asic gds info */
>> -       switch (adev->asic_type) {
>> -       case CHIP_NAVI10:
>> -       default:
>> -               adev->gds.gds_size = 0x10000;
>> -               adev->gds.gds_compute_max_wave_id = 0x4ff;
>> -               break;
>> -       }
>> +       unsigned total_cu = adev->gfx.config.max_cu_per_sh *
>> +                           adev->gfx.config.max_sh_per_se *
>> +                           adev->gfx.config.max_shader_engines;
>>
>> +       adev->gds.gds_size = 0x10000;
>> +       adev->gds.gds_compute_max_wave_id = total_cu * 32 - 1;
>>         adev->gds.gws_size = 64;
>>         adev->gds.oa_size = 16;
>>  }
>>
>>  static void gfx_v10_0_set_user_wgp_inactive_bitmap_per_sh(struct amdgpu_device *adev,
>>                                                           u32 bitmap)
>>  {
>>         u32 data;
>>
>>         if (!bitmap)
>> --
>> 2.17.1
>>
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