Revert "drm/amdgpu: During compute disable GFXOFF for Sienna_Cichlid"

This reverts commit 73bf5cad.

Fixed in newer firmware
Signed-off-by: NHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -639,13 +639,6 @@ 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);