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Diffstat (limited to 'shared-core/i915_dma.c')
-rw-r--r--shared-core/i915_dma.c129
1 files changed, 86 insertions, 43 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index db857fbd..09c53676 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -41,10 +41,14 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_ring_buffer *ring = &(dev_priv->ring);
u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ u32 acthd_reg = IS_I965G(dev) ? I965REG_ACTHD : I915REG_ACTHD;
+ u32 last_acthd = I915_READ(acthd_reg);
+ u32 acthd;
int i;
for (i = 0; i < 10000; i++) {
ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ acthd = I915_READ(acthd_reg);
ring->space = ring->head - (ring->tail + 8);
if (ring->space < 0)
ring->space += ring->Size;
@@ -54,13 +58,41 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
if (ring->head != last_head)
i = 0;
+ if (acthd != last_acthd)
+ i = 0;
+
last_head = ring->head;
- DRM_UDELAY(1);
+ last_acthd = acthd;
+ msleep_interruptible (10);
}
return -EBUSY;
}
+#if I915_RING_VALIDATE
+/**
+ * Validate the cached ring tail value
+ *
+ * If the X server writes to the ring and DRM doesn't
+ * reload the head and tail pointers, it will end up writing
+ * data to the wrong place in the ring, causing havoc.
+ */
+void i915_ring_validate(struct drm_device *dev, const char *func, int line)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
+ u32 tail = I915_READ(LP_RING+RING_TAIL) & HEAD_ADDR;
+ u32 head = I915_READ(LP_RING+RING_HEAD) & HEAD_ADDR;
+
+ if (tail != ring->tail) {
+ DRM_ERROR("%s:%d head sw %x, hw %x. tail sw %x hw %x\n",
+ func, line,
+ ring->head, head, ring->tail, tail);
+ BUG_ON(1);
+ }
+}
+#endif
+
void i915_kernel_lost_context(struct drm_device * dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -89,7 +121,7 @@ int i915_dma_cleanup(struct drm_device * dev)
* may not have been called from userspace and after dev_private
* is freed, it's too late.
*/
- if (dev->irq)
+ if (dev->irq_enabled)
drm_irq_uninstall(dev);
if (dev_priv->ring.virtual_start) {
@@ -107,17 +139,16 @@ int i915_dma_cleanup(struct drm_device * dev)
I915_WRITE(0x02080, 0x1ffff000);
}
- if (dev_priv->status_gfx_addr) {
- dev_priv->status_gfx_addr = 0;
+ if (dev_priv->hws_agpoffset) {
+ dev_priv->hws_agpoffset = 0;
drm_core_ioremapfree(&dev_priv->hws_map, dev);
I915_WRITE(0x02080, 0x1ffff000);
}
-
return 0;
}
-#if defined(I915_HAVE_BUFFER)
+#if defined(I915_HAVE_BUFFER) && defined(DRI2)
#define DRI2_SAREA_BLOCK_TYPE(b) ((b) >> 16)
#define DRI2_SAREA_BLOCK_SIZE(b) ((b) & 0xffff)
#define DRI2_SAREA_BLOCK_NEXT(p) \
@@ -195,27 +226,22 @@ static int i915_initialize(struct drm_device * dev,
}
}
-
#ifdef I915_HAVE_BUFFER
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS;
}
#endif
- if (!dev_priv->ring.Size) {
- dev_priv->ring.Start = init->ring_start;
- dev_priv->ring.End = init->ring_end;
+ if (init->ring_size != 0) {
dev_priv->ring.Size = init->ring_size;
dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
dev_priv->ring.map.offset = init->ring_start;
dev_priv->ring.map.size = init->ring_size;
dev_priv->ring.map.type = 0;
dev_priv->ring.map.flags = 0;
dev_priv->ring.map.mtrr = 0;
-
drm_core_ioremap(&dev_priv->ring.map, dev);
-
+
if (dev_priv->ring.map.handle == NULL) {
i915_dma_cleanup(dev);
DRM_ERROR("can not ioremap virtual address for"
@@ -225,7 +251,6 @@ static int i915_initialize(struct drm_device * dev,
dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
}
-
dev_priv->cpp = init->cpp;
master_priv->sarea_priv->pf_current_page = 0;
@@ -251,10 +276,10 @@ static int i915_initialize(struct drm_device * dev,
DRM_ERROR("Can not allocate hardware status page\n");
return -ENOMEM;
}
- dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
+ dev_priv->hws_vaddr = dev_priv->status_page_dmah->vaddr;
dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
- memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+ memset(dev_priv->hws_vaddr, 0, PAGE_SIZE);
I915_WRITE(0x02080, dev_priv->dma_status_page);
}
@@ -264,8 +289,7 @@ static int i915_initialize(struct drm_device * dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_init(&dev_priv->cmdbuf_mutex);
}
-#endif
-#if defined(I915_HAVE_BUFFER)
+#ifdef DRI2
if (init->func == I915_INIT_DMA2) {
int ret = setup_dri2_sarea(dev, file_priv, init);
if (ret) {
@@ -274,7 +298,8 @@ static int i915_initialize(struct drm_device * dev,
return ret;
}
}
-#endif
+#endif /* DRI2 */
+#endif /* I915_HAVE_BUFFER */
return 0;
}
@@ -288,11 +313,6 @@ static int i915_dma_resume(struct drm_device * dev)
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
- if (!dev_priv->mmio_map) {
- DRM_ERROR("can not find mmio map!\n");
- return -EINVAL;
- }
-
if (dev_priv->ring.map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
@@ -300,16 +320,16 @@ static int i915_dma_resume(struct drm_device * dev)
}
/* Program Hardware Status Page */
- if (!dev_priv->hw_status_page) {
+ if (!dev_priv->hws_vaddr) {
DRM_ERROR("Can not find hardware status page\n");
return -EINVAL;
}
- DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
+ DRM_DEBUG("hw status page @ %p\n", dev_priv->hws_vaddr);
- if (dev_priv->status_gfx_addr != 0)
- I915_WRITE(0x02080, dev_priv->status_gfx_addr);
+ if (dev_priv->hws_agpoffset != 0)
+ I915_WRITE(HWS_PGA, dev_priv->hws_agpoffset);
else
- I915_WRITE(0x02080, dev_priv->dma_status_page);
+ I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
return 0;
@@ -456,9 +476,9 @@ static int i915_emit_cmds(struct drm_device *dev, int __user *buffer,
return 0;
}
-static int i915_emit_box(struct drm_device * dev,
- struct drm_clip_rect __user * boxes,
- int i, int DR1, int DR4)
+int i915_emit_box(struct drm_device * dev,
+ struct drm_clip_rect __user * boxes,
+ int i, int DR1, int DR4)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_clip_rect box;
@@ -514,7 +534,7 @@ void i915_emit_breadcrumb(struct drm_device *dev)
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(20);
+ OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
@@ -713,9 +733,19 @@ void i915_dispatch_flip(struct drm_device * dev, int planes, int sync)
int i915_quiescent(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
i915_kernel_lost_context(dev);
- return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
+ ret = i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
+ if (ret)
+ {
+ i915_kernel_lost_context (dev);
+ DRM_ERROR ("not quiescent head %08x tail %08x space %08x\n",
+ dev_priv->ring.head,
+ dev_priv->ring.tail,
+ dev_priv->ring.space);
+ }
+ return ret;
}
static int i915_flush_ioctl(struct drm_device *dev, void *data,
@@ -855,7 +885,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
switch (param->param) {
case I915_PARAM_IRQ_ACTIVE:
- value = dev->irq ? 1 : 0;
+ value = dev->irq_enabled ? 1 : 0;
break;
case I915_PARAM_ALLOW_BATCHBUFFER:
value = dev_priv->allow_batchbuffer ? 1 : 0;
@@ -1003,7 +1033,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr);
- dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
+ dev_priv->hws_agpoffset = hws->addr & (0x1ffff<<12);
dev_priv->hws_map.offset = dev->agp->base + hws->addr;
dev_priv->hws_map.size = 4*1024;
@@ -1014,18 +1044,17 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
drm_core_ioremap(&dev_priv->hws_map, dev);
if (dev_priv->hws_map.handle == NULL) {
i915_dma_cleanup(dev);
- dev_priv->status_gfx_addr = 0;
+ dev_priv->hws_agpoffset = 0;
DRM_ERROR("can not ioremap virtual address for"
" G33 hw status page\n");
return -ENOMEM;
}
- dev_priv->hw_status_page = dev_priv->hws_map.handle;
+ dev_priv->hws_vaddr = dev_priv->hws_map.handle;
+
+ memset(dev_priv->hws_vaddr, 0, PAGE_SIZE);
+ I915_WRITE(HWS_PGA, dev_priv->hws_agpoffset);
+ DRM_DEBUG("load hws at %p\n", dev_priv->hws_vaddr);
- memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
- I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
- DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n",
- dev_priv->status_gfx_addr);
- DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
return 0;
}
@@ -1051,6 +1080,20 @@ struct drm_ioctl_desc i915_ioctls[] = {
#ifdef I915_HAVE_BUFFER
DRM_IOCTL_DEF(DRM_I915_EXECBUFFER, i915_execbuffer, DRM_AUTH),
#endif
+ DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0),
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-27 23:20:49 +0000