drm/amdgpu: disable GFXOFF during compute for GFX11
authorGraham Sider <Graham.Sider@amd.com>
Wed, 26 Oct 2022 19:08:24 +0000 (15:08 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 2 Nov 2022 21:16:11 +0000 (17:16 -0400)
Temporary workaround to fix issues observed in some compute applications
when GFXOFF is enabled on GFX11.

Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

index 0561812..5d9a346 100644 (file)
@@ -706,6 +706,13 @@ err:
 
 void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle)
 {
+       /* Temporary workaround to fix issues observed in some
+        * compute applications when GFXOFF is enabled on GFX11.
+        */
+       if (IP_VERSION_MAJ(adev->ip_versions[GC_HWIP][0]) == 11) {
+               pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled");
+               amdgpu_gfx_off_ctrl(adev, idle);
+       }
        amdgpu_dpm_switch_power_profile(adev,
                                        PP_SMC_POWER_PROFILE_COMPUTE,
                                        !idle);