From: Danilo Krummrich Date: Thu, 14 Jul 2022 13:00:28 +0000 (+0200) Subject: drm/virtio: kms: use drm managed resources X-Git-Tag: v6.6.17~3937^2~23^2~1927 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90caf42527a40d09e0eed9fcbca08d757f4fd493;p=platform%2Fkernel%2Flinux-rpi.git 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 Link: http://patchwork.freedesktop.org/patch/msgid/20220714130028.2127858-3-dakr@redhat.com Signed-off-by: Gerd Hoffmann --- diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 0d1e3eb..27b7f14 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -28,6 +28,7 @@ #include #include +#include #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)