drm/v3d: Delete pm_runtime support

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

The pm_runtime was blocking changelist submission, so delete it as a
temporary workaround.
Signed-off-by: NPhil Elwell <phil@raspberrypi.org>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/gpu/drm/v3d/v3d_gem.c

@@ -478,10 +478,6 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
 	job->v3d = v3d;
 	job->free = free;
 
-	ret = pm_runtime_get_sync(v3d->drm.dev);
-	if (ret < 0)
-		return ret;
-
 	xa_init_flags(&job->deps, XA_FLAGS_ALLOC);
 
 	ret = drm_syncobj_find_fence(file_priv, in_sync, 0, 0, &in_fence);
@@ -498,7 +494,6 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
 	return 0;
 fail:
 	xa_destroy(&job->deps);
-	pm_runtime_put_autosuspend(v3d->drm.dev);
 	return ret;
 }
 

drivers/gpu/drm/v3d/v3d_mmu.c

@@ -36,14 +36,6 @@ static int v3d_mmu_flush_all(struct v3d_dev *v3d)
 {
 	int ret;
 
-	/* Keep power on the device on until we're done with this
-	 * call, but skip the flush if the device is off and will be
-	 * reset when powered back on.
-	 */
-	ret = pm_runtime_get_if_in_use(v3d->dev);
-	if (ret == 0)
-		return 0;
-
 	/* Make sure that another flush isn't already running when we
 	 * start this one.
 	 */
@@ -71,9 +63,6 @@ static int v3d_mmu_flush_all(struct v3d_dev *v3d)
 	if (ret)
 		dev_err(v3d->drm.dev, "MMUC flush wait idle failed\n");
 
-	pm_runtime_mark_last_busy(v3d->dev);
-	pm_runtime_put_autosuspend(v3d->dev);
-
 	return ret;
 }