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path: root/drivers/gpu/drm/xen/xen_drm_front.c
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Diffstat (limited to 'drivers/gpu/drm/xen/xen_drm_front.c')
-rw-r--r--drivers/gpu/drm/xen/xen_drm_front.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
index 3e78a832d7f9..4be49c1aef51 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -8,13 +8,18 @@
* Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
*/
-#include <drm/drmP.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_ioctl.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_file.h>
#include <drm/drm_gem.h>
-#include <linux/of_device.h>
-
#include <xen/platform_pci.h>
#include <xen/xen.h>
#include <xen/xenbus.h>
@@ -485,15 +490,12 @@ static const struct vm_operations_struct xen_drm_drv_vm_ops = {
};
static struct drm_driver xen_drm_driver = {
- .driver_features = DRIVER_GEM | DRIVER_MODESET |
- DRIVER_PRIME | DRIVER_ATOMIC,
+ .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.release = xen_drm_drv_release,
.gem_vm_ops = &xen_drm_drv_vm_ops,
.gem_free_object_unlocked = xen_drm_drv_free_object_unlocked,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_import = drm_gem_prime_import,
- .gem_prime_export = drm_gem_prime_export,
.gem_prime_import_sg_table = xen_drm_front_gem_import_sg_table,
.gem_prime_get_sg_table = xen_drm_front_gem_get_sg_table,
.gem_prime_vmap = xen_drm_front_gem_prime_vmap,
@@ -582,6 +584,7 @@ static void xen_drm_drv_fini(struct xen_drm_front_info *front_info)
drm_kms_helper_poll_fini(dev);
drm_dev_unplug(dev);
+ drm_dev_put(dev);
front_info->drm_info = NULL;
@@ -715,17 +718,9 @@ static int xen_drv_probe(struct xenbus_device *xb_dev,
struct device *dev = &xb_dev->dev;
int ret;
- /*
- * The device is not spawn from a device tree, so arch_setup_dma_ops
- * is not called, thus leaving the device with dummy DMA ops.
- * This makes the device return error on PRIME buffer import, which
- * is not correct: to fix this call of_dma_configure() with a NULL
- * node to set default DMA ops.
- */
- dev->coherent_dma_mask = DMA_BIT_MASK(32);
- ret = of_dma_configure(dev, NULL, true);
+ ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64));
if (ret < 0) {
- DRM_ERROR("Cannot setup DMA ops, ret %d", ret);
+ DRM_ERROR("Cannot setup DMA mask, ret %d", ret);
return ret;
}