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path: root/drivers/gpu/drm/qxl/qxl_display.c
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Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_display.c')
-rw-r--r--drivers/gpu/drm/qxl/qxl_display.c65
1 files changed, 57 insertions, 8 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index b8ced08b6291..0d1396266857 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -187,6 +187,54 @@ static void qxl_crtc_destroy(struct drm_crtc *crtc)
kfree(qxl_crtc);
}
+static int qxl_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags)
+{
+ struct drm_device *dev = crtc->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+ struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);
+ struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);
+ struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);
+ struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);
+ unsigned long flags;
+ struct drm_clip_rect norect = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = fb->width,
+ .y2 = fb->height
+ };
+ int inc = 1;
+ int one_clip_rect = 1;
+ int ret = 0;
+
+ crtc->primary->fb = fb;
+ bo_old->is_primary = false;
+ bo->is_primary = true;
+
+ ret = qxl_bo_reserve(bo, false);
+ if (ret)
+ return ret;
+
+ qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
+ &norect, one_clip_rect, inc);
+
+ drm_vblank_get(dev, qcrtc->index);
+
+ if (event) {
+ spin_lock_irqsave(&dev->event_lock, flags);
+ drm_send_vblank_event(dev, qcrtc->index, event);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
+ drm_vblank_put(dev, qcrtc->index);
+
+ qxl_bo_unreserve(bo);
+
+ return 0;
+}
+
static int
qxl_hide_cursor(struct qxl_device *qdev)
{
@@ -374,6 +422,7 @@ static const struct drm_crtc_funcs qxl_crtc_funcs = {
.cursor_move = qxl_crtc_cursor_move,
.set_config = drm_crtc_helper_set_config,
.destroy = qxl_crtc_destroy,
+ .page_flip = qxl_crtc_page_flip,
};
static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
@@ -523,7 +572,6 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
struct qxl_framebuffer *qfb;
struct qxl_bo *bo, *old_bo = NULL;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
- uint32_t width, height, base_offset;
bool recreate_primary = false;
int ret;
int surf_id;
@@ -553,9 +601,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
if (qcrtc->index == 0)
recreate_primary = true;
- width = mode->hdisplay;
- height = mode->vdisplay;
- base_offset = 0;
+ if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
+ DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
+ return -EINVAL;
+ }
ret = qxl_bo_reserve(bo, false);
if (ret != 0)
@@ -569,10 +618,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
if (recreate_primary) {
qxl_io_destroy_primary(qdev);
qxl_io_log(qdev,
- "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
- width, height, bo->surf.width,
- bo->surf.height, bo->surf.stride, bo->surf.format);
- qxl_io_create_primary(qdev, base_offset, bo);
+ "recreate primary: %dx%d,%d,%d\n",
+ bo->surf.width, bo->surf.height,
+ bo->surf.stride, bo->surf.format);
+ qxl_io_create_primary(qdev, 0, bo);
bo->is_primary = true;
}