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envelope-from=acelan@gmail.com;\n helo=mail-pj1-f48.google.com","X-BeenThere":"kernel-team@lists.ubuntu.com","X-Mailman-Version":"2.1.20","Precedence":"list","List-Id":"Kernel team discussions ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"kernel-team-bounces@lists.ubuntu.com","Sender":"\"kernel-team\" "},"content":"From: Prike Liang \n\nBugLink: https://bugs.launchpad.net/bugs/2144577\n\nValidate flush_gpu_tlb_pasid() availability before flushing tlb.\n\nSigned-off-by: Prike Liang \nReviewed-by: Christian König \nSigned-off-by: Alex Deucher \n(cherry picked from commit f4db9913e4d3dabe9ff3ea6178f2c1bc286012b8)\nSigned-off-by: Chia-Lin Kao (AceLan) \n---\n drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c\nindex 4814be022f328..84ade0f9f2f89 100644\n--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c\n+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c\n@@ -732,6 +732,10 @@ int amdgpu_gmc_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid,\n \t\treturn 0;\n \n \tif (!adev->gmc.flush_pasid_uses_kiq || !ring->sched.ready) {\n+\n+\t\tif (!adev->gmc.gmc_funcs->flush_gpu_tlb_pasid)\n+\t\t\treturn 0;\n+\n \t\tif (adev->gmc.flush_tlb_needs_extra_type_2)\n \t\t\tadev->gmc.gmc_funcs->flush_gpu_tlb_pasid(adev, pasid,\n \t\t\t\t\t\t\t\t 2, all_hub,\n","prefixes":["SRU","Q","1/2"]}