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-rw-r--r--shared-core/i915_dma.c4
-rw-r--r--shared-core/i915_drm.h13
-rw-r--r--shared-core/i915_drv.h5
-rw-r--r--shared-core/i915_irq.c58
4 files changed, 76 insertions, 4 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 7d19c13f..ae0f55a2 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -772,7 +772,9 @@ drm_ioctl_desc_t i915_ioctls[] = {
[DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }
+ [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
+ [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
+ [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH },
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index 8d06e989..999b567c 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -124,6 +124,8 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_INIT_HEAP 0x0a
#define DRM_I915_CMDBUFFER 0x0b
#define DRM_I915_DESTROY_HEAP 0x0c
+#define DRM_I915_SET_VBLANK_PIPE 0x0d
+#define DRM_I915_GET_VBLANK_PIPE 0x0e
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -138,6 +140,8 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
#define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
+#define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
+#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
/* Allow drivers to submit batchbuffers directly to hardware, relying
@@ -225,4 +229,13 @@ typedef struct drm_i915_mem_destroy_heap {
int region;
} drm_i915_mem_destroy_heap_t;
+/* Allow X server to configure which pipes to monitor for vblank signals
+ */
+#define DRM_I915_VBLANK_PIPE_A 1
+#define DRM_I915_VBLANK_PIPE_B 2
+
+typedef struct drm_i915_vblank_pipe {
+ int pipe;
+} drm_i915_vblank_pipe_t;
+
#endif /* _I915_DRM_H_ */
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index cb86932a..655303ef 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/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 {
@@ -119,6 +120,8 @@ extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
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);
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index cd718337..9721f49a 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -45,7 +45,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
temp = I915_READ16(I915REG_INT_IDENTITY_R);
- temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG);
+ temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
@@ -59,7 +59,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
if (temp & USER_INT_FLAG)
DRM_WAKEUP(&dev_priv->irq_queue);
- if (temp & VSYNC_PIPEA_FLAG) {
+ if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
drm_vbl_send_signals(dev);
@@ -182,6 +182,60 @@ int i915_irq_wait(DRM_IOCTL_ARGS)
return i915_wait_irq(dev, irqwait.irq_seq);
}
+/* Set the vblank monitor pipe
+ */
+int i915_vblank_pipe_set(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_vblank_pipe_t pipe;
+ u16 flag;
+
+ if (!dev_priv) {
+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data,
+ sizeof(pipe));
+
+ flag = 0;
+ if (pipe.pipe & DRM_I915_VBLANK_PIPE_A)
+ flag |= VSYNC_PIPEA_FLAG;
+ if (pipe.pipe & DRM_I915_VBLANK_PIPE_B)
+ flag |= VSYNC_PIPEB_FLAG;
+ if (pipe.pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
+ DRM_ERROR("%s called with invalid pipe 0x%lx\n",
+ __FUNCTION__, pipe.pipe);
+ return DRM_ERR(EINVAL);
+ }
+ I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
+ return 0;
+}
+
+int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_vblank_pipe_t pipe;
+ u16 flag;
+
+ if (!dev_priv) {
+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ return DRM_ERR(EINVAL);
+ }
+
+ flag = I915_READ(I915REG_INT_ENABLE_R);
+ pipe.pipe = 0;
+ if (flag & VSYNC_PIPEA_FLAG)
+ pipe.pipe |= DRM_I915_VBLANK_PIPE_A;
+ if (flag & VSYNC_PIPEB_FLAG)
+ pipe.pipe |= DRM_I915_VBLANK_PIPE_B;
+ DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe,
+ sizeof(pipe));
+ return 0;
+}
+
/* drm_dma.h hooks
*/
void i915_driver_irq_preinstall(drm_device_t * dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 20:17:53 +0000