To upgrade performance in small bar mode, set sdma buffer function
ring and pte function ring to use different instance.
Change-Id: Ida6377914eb68a188f745e63409f344f0ce1a8c4
Signed-off-by: Gang Ba <gaba@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 071d6c9..5aca9bb4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2500,7 +2500,7 @@ static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1)
- adev->mman.buffer_funcs_ring = &adev->sdma.instance[1].page;
+ adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
}
--
2.7.4
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