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Commit 63ae07ca authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
Browse files

drm/amdgpu:fix wb_clear 



Properly shift the index when clearing so we clear
the right bit

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6867e1b5

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

+2 −2
Original line number Original line Diff line number Diff line
@@ -546,7 +546,7 @@ int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) 




	if (offset < adev->wb.num_wb) {

	if (offset < adev->wb.num_wb) {

		__set_bit(offset, adev->wb.used);

		__set_bit(offset, adev->wb.used);

		*wb = offset * 8; /* convert to dw offset */

		*wb = offset << 3; /* convert to dw offset */

		return 0;

		return 0;

	} else {

	} else {

		return -EINVAL;

		return -EINVAL;
@@ -564,7 +564,7 @@ int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) 
void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb)

void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb)

{

{

	if (wb < adev->wb.num_wb)

	if (wb < adev->wb.num_wb)

		__clear_bit(wb, adev->wb.used);

		__clear_bit(wb >> 3, adev->wb.used);

}

}





/**

/**