[PATCH] drm/amdgpu: fix gfx ib test failed in sriov

Huang, JinHuiEric JinHuiEric.Huang at amd.com
Wed Aug 28 14:59:18 UTC 2019


It partially reverts the regression of

commit e4a67e6cf14c258619f
("drm/amdgpu/psp: move TMR to cpu invisible vram region")

which causes gfx ib test failed when driver loading
in sriov system.

Signed-off-by: Eric Huang <JinhuiEric.Huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 16 ++++++++++++----
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 9f7cc5b..9f91ced 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -261,9 +261,14 @@ static int psp_tmr_init(struct psp_context *psp)
 		}
 	}
 
-	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
-				      AMDGPU_GEM_DOMAIN_VRAM,
-				      &psp->tmr_bo, &psp->tmr_mc_addr, NULL);
+	if (amdgpu_sriov_vf(psp->adev))
+		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
+			      AMDGPU_GEM_DOMAIN_VRAM,
+			      &psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
+	else
+		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
+			      AMDGPU_GEM_DOMAIN_VRAM,
+			      &psp->tmr_bo, &psp->tmr_mc_addr, NULL);
 
 	return ret;
 }
@@ -1216,7 +1221,10 @@ static int psp_hw_fini(void *handle)
 
 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
 
-	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, NULL);
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
+	else
+		amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, NULL);
 	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
 			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
 	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index bc0947f..b73d4aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -171,6 +171,7 @@ struct psp_context
 	/* tmr buffer */
 	struct amdgpu_bo		*tmr_bo;
 	uint64_t			tmr_mc_addr;
+	void				*tmr_buf;
 
 	/* asd firmware and buffer */
 	const struct firmware		*asd_fw;
-- 
2.7.4



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