[PATCH] drm/amd/powerplay: skip judging if baco support for Arcturus sriov

Jane Jian Jane.Jian at amd.com
Sat May 9 08:06:33 UTC 2020


since for sriov, baco happens on host side, no need and meaning
to judge is baco.
also, since kiq reads strap0 in here, if kiq is not ready
or gpu reset(kiq resume) happens after this read, would fail
to read and wrongly set baco as true(1).

Change-Id: Ib67f837edfbf09263133d5614f6dbb890cf27b12
Signed-off-by: Jane Jian <Jane.Jian at amd.com>
---
 drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 1c66b7d7139c..cfae4bcaf32e 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -2251,7 +2251,7 @@ static bool arcturus_is_baco_supported(struct smu_context *smu)
 	struct amdgpu_device *adev = smu->adev;
 	uint32_t val;
 
-	if (!smu_v11_0_baco_is_support(smu))
+	if (!smu_v11_0_baco_is_support(smu) || amdgpu_sriov_vf(adev))
 		return false;
 
 	val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
-- 
2.17.1



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