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| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-06-15 16:23:07 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 13:11:35 -0400 |
| commit | b579ea632fcab97986f60d55a161c3e8e94a61cb (patch) | |
| tree | eeb4414a1cd6e2d92df175d1f8c461f0d179e4ad | |
| parent | 7f03b1d14d51371fcbb8acba2f8bf037cd8807fa (diff) | |
drm/amdgpu: Modify for_each_inst macro
Modify it such that it doesn't change the instance mask parameter.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Victor Skvortsov <victor.skvortsov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a84bd4a0c421..cc3aaea243b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1277,9 +1277,10 @@ 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 BIT_MASK_UPPER(i) ((i) >= BITS_PER_LONG ? 0 : ~0UL << (i)) +#define for_each_inst(i, inst_mask) \ + for (i = ffs(inst_mask); i-- != 0; \ + i = ffs(inst_mask & BIT_MASK_UPPER(i + 1))) #define MIN(X, Y) ((X) < (Y) ? (X) : (Y)) |