Revert "drm/amdgpu: disallow gfxoff until GC IP blocks complete s2idle resume"

This reverts commit f543d286.

This is no longer needed since we no longer touch SDMA 5.x for s0i3.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -3234,15 +3234,6 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
 			return r;
 		}
 		adev->ip_blocks[i].status.hw = true;
-
-		if (adev->in_s0ix && adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
-			/* disable gfxoff for IP resume. The gfxoff will be re-enabled in
-			 * amdgpu_device_resume() after IP resume.
-			 */
-			amdgpu_gfx_off_ctrl(adev, false);
-			DRM_DEBUG("will disable gfxoff for re-initializing other blocks\n");
-		}
-
 	}
 
 	return 0;
@@ -4230,13 +4221,6 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
 	/* Make sure IB tests flushed */
 	flush_delayed_work(&adev->delayed_init_work);
 
-	if (adev->in_s0ix) {
-		/* re-enable gfxoff after IP resume. This re-enables gfxoff after
-		 * it was disabled for IP resume in amdgpu_device_ip_resume_phase2().
-		 */
-		amdgpu_gfx_off_ctrl(adev, true);
-		DRM_DEBUG("will enable gfxoff for the mission mode\n");
-	}
 	if (fbcon)
 		drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false);