summary refs log tree commit diff
path: root/drivers/gpu/drm/virtio
diff options
context:
space:
mode:
authorDanilo Krummrich <dakr@redhat.com>2022-07-14 15:00:28 +0200
committerGerd Hoffmann <kraxel@redhat.com>2022-07-19 14:40:59 +0200
commit90caf42527a40d09e0eed9fcbca08d757f4fd493 (patch)
treef98707f03c65995f4db46c76cedd98246c34d220 /drivers/gpu/drm/virtio
parent7847628862a808ff3802df96f54e5eab3ff448b6 (diff)
downloadlinux-90caf42527a40d09e0eed9fcbca08d757f4fd493.tar.gz
drm/virtio: kms: use drm managed resources
Allocate driver structures with drm managed resource allocators in order
to cleanup/simplify the drm driver .release callback.

Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20220714130028.2127858-3-dakr@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/virtio')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_kms.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 0d1e3eb61bee..27b7f14dae89 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -28,6 +28,7 @@
 #include <linux/virtio_ring.h>
 
 #include <drm/drm_file.h>
+#include <drm/drm_managed.h>
 
 #include "virtgpu_drv.h"
 
@@ -66,10 +67,11 @@ static void virtio_gpu_get_capsets(struct virtio_gpu_device *vgdev,
 {
 	int i, ret;
 	bool invalid_capset_id = false;
+	struct drm_device *drm = vgdev->ddev;
 
-	vgdev->capsets = kcalloc(num_capsets,
-				 sizeof(struct virtio_gpu_drv_capset),
-				 GFP_KERNEL);
+	vgdev->capsets = drmm_kcalloc(drm, num_capsets,
+				      sizeof(struct virtio_gpu_drv_capset),
+				      GFP_KERNEL);
 	if (!vgdev->capsets) {
 		DRM_ERROR("failed to allocate cap sets\n");
 		return;
@@ -94,7 +96,7 @@ static void virtio_gpu_get_capsets(struct virtio_gpu_device *vgdev,
 
 		if (ret == 0 || invalid_capset_id) {
 			spin_lock(&vgdev->display_info_lock);
-			kfree(vgdev->capsets);
+			drmm_kfree(drm, vgdev->capsets);
 			vgdev->capsets = NULL;
 			spin_unlock(&vgdev->display_info_lock);
 			return;
@@ -126,7 +128,7 @@ int virtio_gpu_init(struct virtio_device *vdev, struct drm_device *dev)
 	if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1))
 		return -ENODEV;
 
-	vgdev = kzalloc(sizeof(struct virtio_gpu_device), GFP_KERNEL);
+	vgdev = drmm_kzalloc(dev, sizeof(struct virtio_gpu_device), GFP_KERNEL);
 	if (!vgdev)
 		return -ENOMEM;
 
@@ -256,7 +258,6 @@ err_vbufs:
 	vgdev->vdev->config->del_vqs(vgdev->vdev);
 err_vqs:
 	dev->dev_private = NULL;
-	kfree(vgdev);
 	return ret;
 }
 
@@ -295,9 +296,6 @@ void virtio_gpu_release(struct drm_device *dev)
 
 	if (vgdev->has_host_visible)
 		drm_mm_takedown(&vgdev->host_visible_mm);
-
-	kfree(vgdev->capsets);
-	kfree(vgdev);
 }
 
 int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)