[PATCH 3/4] drm/amdgpu: enable vmhub bitmask on gmc11

Yifan Zhang yifan1.zhang at amd.com
Fri May 5 05:28:45 UTC 2023


This patch is to enable vmhub bitmask on gmc11.

Signed-off-by: Yifan Zhang <yifan1.zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index 90cf79f8ddde..b669409e92a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -362,7 +362,7 @@ static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 				&queried_pasid);
 		if (ret	&& queried_pasid == pasid) {
 			if (all_hub) {
-				for (i = 0; i < adev->num_vmhubs; i++)
+				for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
 					gmc_v11_0_flush_gpu_tlb(adev, vmid,
 							i, flush_type);
 			} else {
@@ -760,7 +760,8 @@ static int gmc_v11_0_sw_init(void *handle)
 	case IP_VERSION(11, 0, 2):
 	case IP_VERSION(11, 0, 3):
 	case IP_VERSION(11, 0, 4):
-		adev->num_vmhubs = 2;
+		set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+		set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
 		/*
 		 * To fulfill 4-level page support,
 		 * vm size is 256TB (48bit), maximum size,
-- 
2.37.3



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