diff --git a/Documentation/gpu/xen-front.rst b/Documentation/gpu/xen-front.rst index 8188e03c9d23..009d942386c5 100644 --- a/Documentation/gpu/xen-front.rst +++ b/Documentation/gpu/xen-front.rst @@ -1,6 +1,6 @@ -==================================== -Xen para-virtualized frontend driver -==================================== +==================================================== + drm/xen-front Xen para-virtualized frontend driver +==================================================== This frontend driver implements Xen para-virtualized display according to the display protocol described at diff --git a/drivers/gpu/drm/xen/xen_drm_front_evtchnl.c b/drivers/gpu/drm/xen/xen_drm_front_evtchnl.c index e521785fd22b..02b6f3d9fe4c 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_evtchnl.c +++ b/drivers/gpu/drm/xen/xen_drm_front_evtchnl.c @@ -186,8 +186,10 @@ static int evtchnl_alloc(struct xen_drm_front_info *front_info, int index, sring, XEN_PAGE_SIZE); ret = xenbus_grant_ring(xb_dev, sring, 1, &gref); - if (ret < 0) + if (ret < 0) { + free_page(page); goto fail; + } handler = evtchnl_interrupt_ctrl; } else { @@ -195,8 +197,10 @@ static int evtchnl_alloc(struct xen_drm_front_info *front_info, int index, ret = gnttab_grant_foreign_access(xb_dev->otherend_id, virt_to_gfn((void *)page), 0); - if (ret < 0) + if (ret < 0) { + free_page(page); goto fail; + } gref = ret; handler = evtchnl_interrupt_evt; diff --git a/drivers/gpu/drm/xen/xen_drm_front_kms.c b/drivers/gpu/drm/xen/xen_drm_front_kms.c index 545049dfaf0a..f3ef9dfb4dfb 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_kms.c +++ b/drivers/gpu/drm/xen/xen_drm_front_kms.c @@ -107,12 +107,13 @@ static void send_pending_event(struct xen_drm_front_drm_pipeline *pipeline) } static void display_enable(struct drm_simple_display_pipe *pipe, - struct drm_crtc_state *crtc_state) + struct drm_crtc_state *crtc_state, + struct drm_plane_state *plane_state) { struct xen_drm_front_drm_pipeline *pipeline = to_xen_drm_pipeline(pipe); struct drm_crtc *crtc = &pipe->crtc; - struct drm_framebuffer *fb = pipe->plane.state->fb; + struct drm_framebuffer *fb = plane_state->fb; int ret, idx; if (!drm_dev_enter(pipe->crtc.dev, &idx)) @@ -273,7 +274,7 @@ static void display_update(struct drm_simple_display_pipe *pipe, drm_dev_exit(idx); } -enum drm_mode_status display_mode_valid(struct drm_crtc *crtc, +static enum drm_mode_status display_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { struct xen_drm_front_drm_pipeline *pipeline =