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Commit 72464382 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: fix invalid use of change_bit 



We only need to clear the bit in a 32bit integer.

This fixes a crah on ARM64 and PPC64LE caused by
"drm/amdgpu: update the vm invalidation engine layout V2"

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 39bbd331

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

+1 −1
Original line number Diff line number Diff line
@@ -742,7 +742,7 @@ static int gmc_v9_0_allocate_vm_inv_eng(struct amdgpu_device *adev) 
		}



		ring->vm_inv_eng = inv_eng - 1;

		change_bit(inv_eng - 1, (unsigned long *)(&vm_inv_engs[vmhub]));

		vm_inv_engs[vmhub] &= ~(1 << ring->vm_inv_eng);



		dev_info(adev->dev, "ring %s uses VM inv eng %u on hub %u\n",

			 ring->name, ring->vm_inv_eng, ring->funcs->vmhub);