Re: [PATCH -next 2/3] drm/amdgpu: use clamp() in amdgpu_vm_adjust_size()

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Am 30.08.24 um 03:22 schrieb Li Zetao:
When it needs to get a value within a certain interval, using clamp()
makes the code easier to understand than min(max()).

Signed-off-by: Li Zetao <lizetao1@xxxxxxxxxx>

This patch and #1 is a nice cleanup and Reviewed-by: Christian König <christian.koenig@xxxxxxx>

But as Alex also pointed out patch #3 is for Nouveau and not amdgpu.

Regards,
Christian.


---
  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index e20d19ae01b2..40f9a5d4f3c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2224,7 +2224,7 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size,
  		phys_ram_gb = ((uint64_t)si.totalram * si.mem_unit +
  			       (1 << 30) - 1) >> 30;
  		vm_size = roundup_pow_of_two(
-			min(max(phys_ram_gb * 3, min_vm_size), max_size));
+			clamp(phys_ram_gb * 3, min_vm_size, max_size));
  	}
adev->vm_manager.max_pfn = (uint64_t)vm_size << 18;




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