[PATCH] drm/amdgpu: Modify for_each_inst macro
Felix Kuehling
felix.kuehling at amd.com
Fri Jun 16 14:24:28 UTC 2023
Am 2023-06-16 um 06:23 schrieb Lijo Lazar:
> Modify it such that it doesn't change the instance mask parameter.
>
> Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index f4029c13a9be..c5451a9b0ee4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1295,9 +1295,9 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
>
> #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
>
> -#define for_each_inst(i, inst_mask) \
> - for (i = ffs(inst_mask) - 1; inst_mask; \
> - inst_mask &= ~(1U << i), i = ffs(inst_mask) - 1)
> +#define for_each_inst(i, inst_mask) \
> + for (i = ffs(inst_mask); i-- != 0; \
> + i = ffs((inst_mask & (~0U << (i + 1)))))
>
> #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
>
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