From: Graham Sider <Graham.Sider@amd.com>
Date: Wed, 26 Oct 2022 19:08:24 +0000 (-0400)
Subject: drm/amdgpu: disable GFXOFF during compute for GFX11
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a3e5ce56f3d260f2ec8e5242c33f57e60ae9eba7;p=linux.git

drm/amdgpu: disable GFXOFF during compute for GFX11

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
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 0561812aa0a43..5d9a34601a1ac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -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);