Add i915 ioctls to configure pipes for vblank interrupt.
i915 vblanks can be generated from either pipe a or b, however a disabled
pipe generates no interrupts. This change allows the X server to select
which pipe generates vblank interrupts.
From: Keith Packard <keith.packard@intel.com> via DRM CVS
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index 7a65666..2d56503 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -45,9 +45,10 @@
* 1.2: Add Power Management
* 1.3: Add vblank support
* 1.4: Fix cmdbuffer path, add heap destroy
+ * 1.5: Add vblank pipe configuration
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 4
+#define DRIVER_MINOR 5
#define DRIVER_PATCHLEVEL 0
typedef struct _drm_i915_ring_buffer {
@@ -96,6 +97,7 @@
int allow_batchbuffer;
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
+ int vblank_pipe;
} drm_i915_private_t;
extern drm_ioctl_desc_t i915_ioctls[];
@@ -119,6 +121,8 @@
extern void i915_driver_irq_preinstall(drm_device_t * dev);
extern void i915_driver_irq_postinstall(drm_device_t * dev);
extern void i915_driver_irq_uninstall(drm_device_t * dev);
+extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS);
+extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS);
/* i915_mem.c */
extern int i915_mem_alloc(DRM_IOCTL_ARGS);