drm/amdgpu: use memcpy_to/fromio for UVD fw upload
authorChristian König <christian.koenig@amd.com>
Tue, 23 Aug 2016 09:00:17 +0000 (11:00 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Aug 2016 20:25:06 +0000 (16:25 -0400)
Also use the firmware size from the header instead of calculating it.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

index af408b6c6e0564b70a2190c941258cb1a844a69b..cc766cc53a876d47a05399b1b2aa064f96c600be 100644 (file)
@@ -298,7 +298,7 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
        if (!adev->uvd.saved_bo)
                return -ENOMEM;
 
-       memcpy(adev->uvd.saved_bo, ptr, size);
+       memcpy_fromio(adev->uvd.saved_bo, ptr, size);
 
        return 0;
 }
@@ -315,7 +315,7 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
        ptr = adev->uvd.cpu_addr;
 
        if (adev->uvd.saved_bo != NULL) {
-               memcpy(ptr, adev->uvd.saved_bo, size);
+               memcpy_toio(ptr, adev->uvd.saved_bo, size);
                kfree(adev->uvd.saved_bo);
                adev->uvd.saved_bo = NULL;
        } else {
@@ -324,11 +324,11 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
 
                hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
                offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
-               memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset,
-                       (adev->uvd.fw->size) - offset);
+               memcpy_toio(adev->uvd.cpu_addr, adev->uvd.fw->data + offset,
+                           le32_to_cpu(hdr->ucode_size_bytes));
                size -= le32_to_cpu(hdr->ucode_size_bytes);
                ptr += le32_to_cpu(hdr->ucode_size_bytes);
-               memset(ptr, 0, size);
+               memset_io(ptr, 0, size);
        }
 
        return 0;