[PATCH 23/73] drm/amdgpu: don't use kiq to flush gpu tlb if mes enabled

Alex Deucher alexander.deucher at amd.com
Fri Apr 29 17:45:34 UTC 2022


From: Jack Xiao <Jack.Xiao at amd.com>

If MES is enabled, don't use kiq to flush gpu tlb,
for it would result in conflicting with mes fw.

Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
Acked-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 9b4a035a5bf1..b8c79789e1e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -328,7 +328,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 	/* For SRIOV run time, driver shouldn't access the register through MMIO
 	 * Directly use kiq to do the vm invalidation instead
 	 */
-	if (adev->gfx.kiq.ring.sched.ready &&
+	if (adev->gfx.kiq.ring.sched.ready && !adev->enable_mes &&
 	    (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
 	    down_read_trylock(&adev->reset_domain->sem)) {
 		struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
-- 
2.35.1



More information about the amd-gfx mailing list