[PATCH] drm/amdgpu: During compute disable GFXOFF for Sienna_Cichlid

[Harish Kasiviswanathan]

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan at amd.com>
Change-Id: Ia9f8872b7654b99864bbef1afb9998d0cf39b7e5
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 90fb864ac7aa..450389218516 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -647,6 +647,13 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 
+	/* Temp workaround to fix the soft hang observed in certain compute
+	 * applications if GFXOFF is enabled.
+	 */
+	if (adev->asic_type == CHIP_SIENNA_CICHLID) {
+		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);
-- 
2.25.1