i2c: Allow I2C devices to NAK start events

[qemu.git] / hw / display / qxl-render.c

diff --git a/hw/display/qxl-render.c b/hw/display/qxl-render.c
index 269b1a75687b412ea34031235a1680adc4a65f42..9ad9d9e0f56d1c7c56a6d55358720b01fa2f5f7e 100644 (file)
--- a/hw/display/qxl-render.c
+++ b/hw/display/qxl-render.c
@@ -19,7 +19,9 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "qxl.h"
+#include "trace.h"
 
 static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
 {
@@ -31,10 +33,6 @@ static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
     if (is_buffer_shared(surface)) {
         return;
     }
-    if (!qxl->guest_primary.data) {
-        trace_qxl_render_blit_guest_primary_initialized();
-        qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
-    }
     trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
             rect->left, rect->right, rect->top, rect->bottom);
     src = qxl->guest_primary.data;
@@ -104,7 +102,12 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
 
     if (qxl->guest_primary.resized) {
         qxl->guest_primary.resized = 0;
-        qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
+        qxl->guest_primary.data = qxl_phys2virt(qxl,
+                                                qxl->guest_primary.surface.mem,
+                                                MEMSLOT_GROUP_GUEST);
+        if (!qxl->guest_primary.data) {
+            return;
+        }
         qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
         qxl->num_dirty_rects = 1;
         trace_qxl_render_guest_primary_resized(
@@ -114,13 +117,14 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
                qxl->guest_primary.bytes_pp,
                qxl->guest_primary.bits_pp);
         if (qxl->guest_primary.qxl_stride > 0) {
+            pixman_format_code_t format =
+                qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
             surface = qemu_create_displaysurface_from
                 (qxl->guest_primary.surface.width,
                  qxl->guest_primary.surface.height,
-                 qxl->guest_primary.bits_pp,
+                 format,
                  qxl->guest_primary.abs_stride,
-                 qxl->guest_primary.data,
-                 false);
+                 qxl->guest_primary.data);
         } else {
             surface = qemu_create_displaysurface
                 (qxl->guest_primary.surface.width,
@@ -128,10 +132,22 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
         }
         dpy_gfx_replace_surface(vga->con, surface);
     }
+
+    if (!qxl->guest_primary.data) {
+        return;
+    }
     for (i = 0; i < qxl->num_dirty_rects; i++) {
         if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
             break;
         }
+        if (qxl->dirty[i].left < 0 ||
+            qxl->dirty[i].top < 0 ||
+            qxl->dirty[i].left > qxl->dirty[i].right ||
+            qxl->dirty[i].top > qxl->dirty[i].bottom ||
+            qxl->dirty[i].right > qxl->guest_primary.surface.width ||
+            qxl->dirty[i].bottom > qxl->guest_primary.surface.height) {
+            continue;
+        }
         qxl_blit(qxl, qxl->dirty+i);
         dpy_gfx_update(vga->con,
                        qxl->dirty[i].left, qxl->dirty[i].top,
@@ -144,7 +160,7 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
 /*
  * use ssd.lock to protect render_update_cookie_num.
  * qxl_render_update is called by io thread or vcpu thread, and the completion
- * callbacks are called by spice_server thread, defering to bh called from the
+ * callbacks are called by spice_server thread, deferring to bh called from the
  * io thread.
  */
 void qxl_render_update(PCIQXLDevice *qxl)
@@ -268,12 +284,14 @@ int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
         qxl->ssd.mouse_x = cmd->u.set.position.x;
         qxl->ssd.mouse_y = cmd->u.set.position.y;
         qemu_mutex_unlock(&qxl->ssd.lock);
+        qemu_bh_schedule(qxl->ssd.cursor_bh);
         break;
     case QXL_CURSOR_MOVE:
         qemu_mutex_lock(&qxl->ssd.lock);
         qxl->ssd.mouse_x = cmd->u.position.x;
         qxl->ssd.mouse_y = cmd->u.position.y;
         qemu_mutex_unlock(&qxl->ssd.lock);
+        qemu_bh_schedule(qxl->ssd.cursor_bh);
         break;
     }
     return 0;