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path: root/drivers/gpu/drm/vkms/vkms_drv.c
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Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_drv.c')
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 44ab9f8ef8be..d1fe144aa289 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -11,13 +11,14 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <drm/drm_gem.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
-#include <drm/drm_gem.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_probe_helper.h>
@@ -83,7 +84,7 @@ static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
drm_atomic_helper_commit_hw_done(old_state);
- drm_atomic_helper_wait_for_vblanks(dev, old_state);
+ drm_atomic_helper_wait_for_flip_done(dev, old_state);
for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i) {
struct vkms_crtc_state *vkms_state =
@@ -103,6 +104,8 @@ static struct drm_driver vkms_driver = {
.gem_vm_ops = &vkms_gem_vm_ops,
.gem_free_object_unlocked = vkms_gem_free_object,
.get_vblank_timestamp = vkms_get_vblank_timestamp,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_import_sg_table = vkms_prime_import_sg_table,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
@@ -157,6 +160,14 @@ static int __init vkms_init(void)
if (ret)
goto out_unregister;
+ ret = dma_coerce_mask_and_coherent(vkms_device->drm.dev,
+ DMA_BIT_MASK(64));
+
+ if (ret) {
+ DRM_ERROR("Could not initialize DMA support\n");
+ goto out_fini;
+ }
+
vkms_device->drm.irq_enabled = true;
ret = drm_vblank_init(&vkms_device->drm, 1);