From: Jiadong Zhu <Jiadong.Zhu@xxxxxxx>
The parameter amdgpu_mcbp shall have priority against the default value
calculated from the chip version.
User could disable mcbp by setting the parameter mcbp as zero.
Signed-off-by: Jiadong Zhu <Jiadong.Zhu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7314529553f6..615669dcabc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3699,10 +3699,11 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev)
{
if (amdgpu_mcbp == 1)
adev->gfx.mcbp = true;
-
- if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) &&
- (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) &&
- adev->gfx.num_gfx_rings)
+ else if (amdgpu_mcbp == 0)
+ adev->gfx.mcbp = false;
+ else if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) &&
+ (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) &&
+ adev->gfx.num_gfx_rings)
adev->gfx.mcbp = true;
if (amdgpu_sriov_vf(adev))
--
2.25.1
