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path: root/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 9c88ce513d78..08e0f81b87b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -22,6 +22,8 @@
*/
#include <linux/firmware.h>
+#include <linux/delay.h>
+
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_ucode.h"
@@ -1207,7 +1209,7 @@ static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring)
tmp = le32_to_cpu(adev->wb.wb[index]);
if (tmp == 0xDEADBEEF)
break;
- DRM_UDELAY(1);
+ udelay(1);
}
if (i >= adev->usec_timeout)