summaryrefslogtreecommitdiff
path: root/shared-core
diff options
context:
space:
mode:
Diffstat (limited to 'shared-core')
-rw-r--r--shared-core/radeon_drm.h9
-rw-r--r--shared-core/radeon_drv.h48
-rw-r--r--shared-core/radeon_irq.c20
3 files changed, 66 insertions, 11 deletions
diff --git a/shared-core/radeon_drm.h b/shared-core/radeon_drm.h
index e96e7851..bdf45802 100644
--- a/shared-core/radeon_drm.h
+++ b/shared-core/radeon_drm.h
@@ -434,8 +434,17 @@ typedef struct {
int pfCurrentPage; /* which buffer is being displayed? */
int crtc2_base; /* CRTC2 frame offset */
int tiling_enabled; /* set by drm, read by 2d + 3d clients */
+
+ unsigned int last_fence;
} drm_radeon_sarea_t;
+/* The only fence class we support */
+#define DRM_RADEON_FENCE_CLASS_ACCEL 0
+/* Fence type that guarantees read-write flush */
+#define DRM_RADEON_FENCE_TYPE_RW 2
+/* cache flushes programmed just before the fence */
+#define DRM_RADEON_FENCE_FLAG_FLUSHED 0x01000000
+
/* WARNING: If you change any of these defines, make sure to change the
* defines in the Xserver file (xf86drmRadeon.h)
*
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index 3e56af30..9f6cff89 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -102,6 +102,11 @@
#define DRIVER_MINOR 26
#define DRIVER_PATCHLEVEL 0
+#if defined(__linux__)
+#define RADEON_HAVE_FENCE
+#define RADEON_HAVE_BUFFER
+#endif
+
/*
* Radeon chip families
*/
@@ -276,8 +281,8 @@ typedef struct drm_radeon_private {
struct mem_block *fb_heap;
/* SW interrupt */
- wait_queue_head_t swi_queue;
- atomic_t swi_emitted;
+ wait_queue_head_t irq_queue;
+ int counter;
struct radeon_surface surfaces[RADEON_MAX_SURFACES];
struct radeon_virt_surface virt_surfaces[2*RADEON_MAX_SURFACES];
@@ -376,6 +381,30 @@ extern int r300_do_cp_cmdbuf(drm_device_t *dev, DRMFILE filp,
drm_file_t* filp_priv,
drm_radeon_kcmd_buffer_t* cmdbuf);
+
+#ifdef RADEON_HAVE_FENCE
+/* i915_fence.c */
+
+
+extern void radeon_fence_handler(drm_device_t *dev);
+extern int radeon_fence_emit_sequence(drm_device_t *dev, uint32_t class,
+ uint32_t flags, uint32_t *sequence,
+ uint32_t *native_type);
+extern void radeon_poke_flush(drm_device_t *dev, uint32_t class);
+extern int radeon_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags);
+#endif
+
+#ifdef RADEON_HAVE_BUFFER
+/* radeon_buffer.c */
+extern drm_ttm_backend_t *radeon_create_ttm_backend_entry(drm_device_t *dev);
+extern int radeon_fence_types(struct drm_buffer_object *bo, uint32_t *class, uint32_t *type);
+extern int radeon_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
+extern uint32_t radeon_evict_mask(drm_buffer_object_t *bo);
+extern int radeon_init_mem_type(drm_device_t * dev, uint32_t type,
+ drm_mem_type_manager_t * man);
+extern int radeon_move(drm_buffer_object_t * bo,
+ int evict, int no_wait, drm_bo_mem_reg_t * new_mem);
+#endif
/* Flags for stats.boxes
*/
#define RADEON_BOX_DMA_IDLE 0x1
@@ -1184,4 +1213,19 @@ do { \
write &= mask; \
} while (0)
+/* Breadcrumb - swi irq */
+#define READ_BREADCRUMB(dev_priv) RADEON_READ(RADEON_LAST_SWI_REG)
+
+static inline int radeon_update_breadcrumb(drm_device_t *dev)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ dev_priv->sarea_priv->last_fence = ++dev_priv->counter;
+
+ if (dev_priv->counter > 0x7FFFFFFFUL)
+ dev_priv->sarea_priv->last_fence = dev_priv->counter = 1;
+
+ return dev_priv->counter;
+}
+
#endif /* __RADEON_DRV_H__ */
diff --git a/shared-core/radeon_irq.c b/shared-core/radeon_irq.c
index 3ff0baa2..8678f5d1 100644
--- a/shared-core/radeon_irq.c
+++ b/shared-core/radeon_irq.c
@@ -79,7 +79,10 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
/* SW interrupt */
if (stat & RADEON_SW_INT_TEST) {
- DRM_WAKEUP(&dev_priv->swi_queue);
+ DRM_WAKEUP(&dev_priv->irq_queue);
+#ifdef RADEON_HAVE_FENCE
+ radeon_fence_handler(dev);
+#endif
}
/* VBLANK interrupt */
@@ -98,8 +101,7 @@ static int radeon_emit_irq(drm_device_t * dev)
unsigned int ret;
RING_LOCALS;
- atomic_inc(&dev_priv->swi_emitted);
- ret = atomic_read(&dev_priv->swi_emitted);
+ ret = radeon_update_breadcrumb(dev);
BEGIN_RING(4);
OUT_RING_REG(RADEON_LAST_SWI_REG, ret);
@@ -110,19 +112,19 @@ static int radeon_emit_irq(drm_device_t * dev)
return ret;
}
-static int radeon_wait_irq(drm_device_t * dev, int swi_nr)
+static int radeon_wait_irq(drm_device_t * dev, int irq_nr)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
int ret = 0;
- if (RADEON_READ(RADEON_LAST_SWI_REG) >= swi_nr)
+ if (READ_BREADCRUMB(dev_priv) >= irq_nr)
return 0;
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
- DRM_WAIT_ON(ret, dev_priv->swi_queue, 3 * DRM_HZ,
- RADEON_READ(RADEON_LAST_SWI_REG) >= swi_nr);
+ DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
+ READ_BREADCRUMB(dev_priv) >= irq_nr);
return ret;
}
@@ -224,8 +226,8 @@ void radeon_driver_irq_postinstall(drm_device_t * dev)
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
- atomic_set(&dev_priv->swi_emitted, 0);
- DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
+ dev_priv->counter = 0;
+ DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
/* Turn on SW and VBL ints */
RADEON_WRITE(RADEON_GEN_INT_CNTL,