#define QXL_DIRTY_DELAY (HZ / 30)
-#define QXL_FB_OP_FILLRECT 1
-#define QXL_FB_OP_COPYAREA 2
-#define QXL_FB_OP_IMAGEBLIT 3
-
-struct qxl_fb_op {
- struct list_head head;
- int op_type;
- union {
- struct fb_fillrect fr;
- struct fb_copyarea ca;
- struct fb_image ib;
- } op;
- void *img_data;
-};
-
struct qxl_fbdev {
struct drm_fb_helper helper;
struct qxl_framebuffer qfb;
/* dirty memory logging */
struct {
spinlock_t lock;
- bool active;
unsigned x1;
unsigned y1;
unsigned x2;
struct qxl_device *qdev = qfbdev->qdev;
struct qxl_fb_image qxl_fb_image;
struct fb_image *image = &qxl_fb_image.fb_image;
+ unsigned long flags;
u32 x1, x2, y1, y2;
/* TODO: hard coding 32 bpp */
int stride = qfbdev->qfb.base.pitches[0];
+ spin_lock_irqsave(&qfbdev->dirty.lock, flags);
+
x1 = qfbdev->dirty.x1;
x2 = qfbdev->dirty.x2;
y1 = qfbdev->dirty.y1;
y2 = qfbdev->dirty.y2;
+ qfbdev->dirty.x1 = 0;
+ qfbdev->dirty.x2 = 0;
+ qfbdev->dirty.y1 = 0;
+ qfbdev->dirty.y2 = 0;
+
+ spin_unlock_irqrestore(&qfbdev->dirty.lock, flags);
+
/*
* we are using a shadow draw buffer, at qdev->surface0_shadow
*/
qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", x1, x2, y1, y2);
image->dx = x1;
image->dy = y1;
- image->width = x2 - x1;
- image->height = y2 - y1;
+ image->width = x2 - x1 + 1;
+ image->height = y2 - y1 + 1;
image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized
warnings */
image->bg_color = 0;
qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL);
qxl_draw_opaque_fb(&qxl_fb_image, stride);
- qfbdev->dirty.x1 = 0;
- qfbdev->dirty.x2 = 0;
- qfbdev->dirty.y1 = 0;
- qfbdev->dirty.y2 = 0;
+}
+
+static void qxl_dirty_update(struct qxl_fbdev *qfbdev,
+ int x, int y, int width, int height)
+{
+ struct qxl_device *qdev = qfbdev->qdev;
+ unsigned long flags;
+ int x2, y2;
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+
+ spin_lock_irqsave(&qfbdev->dirty.lock, flags);
+
+ if (qfbdev->dirty.y1 < y)
+ y = qfbdev->dirty.y1;
+ if (qfbdev->dirty.y2 > y2)
+ y2 = qfbdev->dirty.y2;
+ if (qfbdev->dirty.x1 < x)
+ x = qfbdev->dirty.x1;
+ if (qfbdev->dirty.x2 > x2)
+ x2 = qfbdev->dirty.x2;
+
+ qfbdev->dirty.x1 = x;
+ qfbdev->dirty.x2 = x2;
+ qfbdev->dirty.y1 = y;
+ qfbdev->dirty.y2 = y2;
+
+ spin_unlock_irqrestore(&qfbdev->dirty.lock, flags);
+
+ schedule_work(&qdev->fb_work);
}
static void qxl_deferred_io(struct fb_info *info,
if (min < max) {
y1 = min / info->fix.line_length;
y2 = (max / info->fix.line_length) + 1;
-
- /* TODO: add spin lock? */
- /* spin_lock_irqsave(&qfbdev->dirty.lock, flags); */
- qfbdev->dirty.x1 = 0;
- qfbdev->dirty.y1 = y1;
- qfbdev->dirty.x2 = info->var.xres;
- qfbdev->dirty.y2 = y2;
- /* spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); */
+ qxl_dirty_update(qfbdev, 0, y1, info->var.xres, y2 - y1);
}
-
- qxl_fb_dirty_flush(info);
};
-
static struct fb_deferred_io qxl_defio = {
.delay = QXL_DIRTY_DELAY,
.deferred_io = qxl_deferred_io,
};
-static void qxl_fb_delayed_fillrect(struct qxl_fbdev *qfbdev,
- const struct fb_fillrect *fb_rect)
-{
- struct qxl_fb_op *op;
- unsigned long flags;
-
- op = kmalloc(sizeof(struct qxl_fb_op), GFP_ATOMIC | __GFP_NOWARN);
- if (!op)
- return;
-
- op->op.fr = *fb_rect;
- op->img_data = NULL;
- op->op_type = QXL_FB_OP_FILLRECT;
-
- spin_lock_irqsave(&qfbdev->delayed_ops_lock, flags);
- list_add_tail(&op->head, &qfbdev->delayed_ops);
- spin_unlock_irqrestore(&qfbdev->delayed_ops_lock, flags);
-}
-
-static void qxl_fb_delayed_copyarea(struct qxl_fbdev *qfbdev,
- const struct fb_copyarea *fb_copy)
-{
- struct qxl_fb_op *op;
- unsigned long flags;
-
- op = kmalloc(sizeof(struct qxl_fb_op), GFP_ATOMIC | __GFP_NOWARN);
- if (!op)
- return;
-
- op->op.ca = *fb_copy;
- op->img_data = NULL;
- op->op_type = QXL_FB_OP_COPYAREA;
-
- spin_lock_irqsave(&qfbdev->delayed_ops_lock, flags);
- list_add_tail(&op->head, &qfbdev->delayed_ops);
- spin_unlock_irqrestore(&qfbdev->delayed_ops_lock, flags);
-}
-
-static void qxl_fb_delayed_imageblit(struct qxl_fbdev *qfbdev,
- const struct fb_image *fb_image)
-{
- struct qxl_fb_op *op;
- unsigned long flags;
- uint32_t size = fb_image->width * fb_image->height * (fb_image->depth >= 8 ? fb_image->depth / 8 : 1);
-
- op = kmalloc(sizeof(struct qxl_fb_op) + size, GFP_ATOMIC | __GFP_NOWARN);
- if (!op)
- return;
-
- op->op.ib = *fb_image;
- op->img_data = (void *)(op + 1);
- op->op_type = QXL_FB_OP_IMAGEBLIT;
-
- memcpy(op->img_data, fb_image->data, size);
-
- op->op.ib.data = op->img_data;
- spin_lock_irqsave(&qfbdev->delayed_ops_lock, flags);
- list_add_tail(&op->head, &qfbdev->delayed_ops);
- spin_unlock_irqrestore(&qfbdev->delayed_ops_lock, flags);
-}
-
-static void qxl_fb_fillrect_internal(struct fb_info *info,
- const struct fb_fillrect *fb_rect)
-{
- struct qxl_fbdev *qfbdev = info->par;
- struct qxl_device *qdev = qfbdev->qdev;
- struct qxl_rect rect;
- uint32_t color;
- int x = fb_rect->dx;
- int y = fb_rect->dy;
- int width = fb_rect->width;
- int height = fb_rect->height;
- uint16_t rop;
- struct qxl_draw_fill qxl_draw_fill_rec;
-
- if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
- info->fix.visual == FB_VISUAL_DIRECTCOLOR)
- color = ((u32 *) (info->pseudo_palette))[fb_rect->color];
- else
- color = fb_rect->color;
- rect.left = x;
- rect.right = x + width;
- rect.top = y;
- rect.bottom = y + height;
- switch (fb_rect->rop) {
- case ROP_XOR:
- rop = SPICE_ROPD_OP_XOR;
- break;
- case ROP_COPY:
- rop = SPICE_ROPD_OP_PUT;
- break;
- default:
- pr_err("qxl_fb_fillrect(): unknown rop, "
- "defaulting to SPICE_ROPD_OP_PUT\n");
- rop = SPICE_ROPD_OP_PUT;
- }
- qxl_draw_fill_rec.qdev = qdev;
- qxl_draw_fill_rec.rect = rect;
- qxl_draw_fill_rec.color = color;
- qxl_draw_fill_rec.rop = rop;
-
- qxl_draw_fill(&qxl_draw_fill_rec);
-}
-
static void qxl_fb_fillrect(struct fb_info *info,
- const struct fb_fillrect *fb_rect)
+ const struct fb_fillrect *rect)
{
struct qxl_fbdev *qfbdev = info->par;
- struct qxl_device *qdev = qfbdev->qdev;
- if (!drm_can_sleep()) {
- qxl_fb_delayed_fillrect(qfbdev, fb_rect);
- schedule_work(&qdev->fb_work);
- return;
- }
- /* make sure any previous work is done */
- flush_work(&qdev->fb_work);
- qxl_fb_fillrect_internal(info, fb_rect);
-}
-
-static void qxl_fb_copyarea_internal(struct fb_info *info,
- const struct fb_copyarea *region)
-{
- struct qxl_fbdev *qfbdev = info->par;
-
- qxl_draw_copyarea(qfbdev->qdev,
- region->width, region->height,
- region->sx, region->sy,
- region->dx, region->dy);
+ sys_fillrect(info, rect);
+ qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width,
+ rect->height);
}
static void qxl_fb_copyarea(struct fb_info *info,
- const struct fb_copyarea *region)
+ const struct fb_copyarea *area)
{
struct qxl_fbdev *qfbdev = info->par;
- struct qxl_device *qdev = qfbdev->qdev;
- if (!drm_can_sleep()) {
- qxl_fb_delayed_copyarea(qfbdev, region);
- schedule_work(&qdev->fb_work);
- return;
- }
- /* make sure any previous work is done */
- flush_work(&qdev->fb_work);
- qxl_fb_copyarea_internal(info, region);
-}
-
-static void qxl_fb_imageblit_safe(struct qxl_fb_image *qxl_fb_image)
-{
- qxl_draw_opaque_fb(qxl_fb_image, 0);
-}
-
-static void qxl_fb_imageblit_internal(struct fb_info *info,
- const struct fb_image *image)
-{
- struct qxl_fbdev *qfbdev = info->par;
- struct qxl_fb_image qxl_fb_image;
-
- /* ensure proper order rendering operations - TODO: must do this
- * for everything. */
- qxl_fb_image_init(&qxl_fb_image, qfbdev->qdev, info, image);
- qxl_fb_imageblit_safe(&qxl_fb_image);
+ sys_copyarea(info, area);
+ qxl_dirty_update(qfbdev, area->dx, area->dy, area->width,
+ area->height);
}
static void qxl_fb_imageblit(struct fb_info *info,
const struct fb_image *image)
{
struct qxl_fbdev *qfbdev = info->par;
- struct qxl_device *qdev = qfbdev->qdev;
- if (!drm_can_sleep()) {
- qxl_fb_delayed_imageblit(qfbdev, image);
- schedule_work(&qdev->fb_work);
- return;
- }
- /* make sure any previous work is done */
- flush_work(&qdev->fb_work);
- qxl_fb_imageblit_internal(info, image);
+ sys_imageblit(info, image);
+ qxl_dirty_update(qfbdev, image->dx, image->dy, image->width,
+ image->height);
}
static void qxl_fb_work(struct work_struct *work)
{
struct qxl_device *qdev = container_of(work, struct qxl_device, fb_work);
- unsigned long flags;
- struct qxl_fb_op *entry, *tmp;
struct qxl_fbdev *qfbdev = qdev->mode_info.qfbdev;
- /* since the irq context just adds entries to the end of the
- list dropping the lock should be fine, as entry isn't modified
- in the operation code */
- spin_lock_irqsave(&qfbdev->delayed_ops_lock, flags);
- list_for_each_entry_safe(entry, tmp, &qfbdev->delayed_ops, head) {
- spin_unlock_irqrestore(&qfbdev->delayed_ops_lock, flags);
- switch (entry->op_type) {
- case QXL_FB_OP_FILLRECT:
- qxl_fb_fillrect_internal(qfbdev->helper.fbdev, &entry->op.fr);
- break;
- case QXL_FB_OP_COPYAREA:
- qxl_fb_copyarea_internal(qfbdev->helper.fbdev, &entry->op.ca);
- break;
- case QXL_FB_OP_IMAGEBLIT:
- qxl_fb_imageblit_internal(qfbdev->helper.fbdev, &entry->op.ib);
- break;
- }
- spin_lock_irqsave(&qfbdev->delayed_ops_lock, flags);
- list_del(&entry->head);
- kfree(entry);
- }
- spin_unlock_irqrestore(&qfbdev->delayed_ops_lock, flags);
+ qxl_fb_dirty_flush(qfbdev->helper.fbdev);
}
int qxl_fb_init(struct qxl_device *qdev)
qfbdev->qdev = qdev;
qdev->mode_info.qfbdev = qfbdev;
spin_lock_init(&qfbdev->delayed_ops_lock);
+ spin_lock_init(&qfbdev->dirty.lock);
INIT_LIST_HEAD(&qfbdev->delayed_ops);
drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper,
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