Merge branch 'modesetting-101' of ssh://git.freedesktop.org/git/mesa/drm into modesetting-101

5 files changed, 234 insertions, 111 deletions

diff --git a/shared-core/drm.h b/shared-core/drm.h
index cbe83fd1..303a84b6 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -645,8 +645,14 @@ struct drm_set_version {
 
 #define DRM_FENCE_FLAG_EMIT                0x00000001
 #define DRM_FENCE_FLAG_SHAREABLE           0x00000002
+/**
+ * On hardware with no interrupt events for operation completion,
+ * indicates that the kernel should sleep while waiting for any blocking
+ * operation to complete rather than spinning.
+ *
+ * Has no effect otherwise.
+ */
 #define DRM_FENCE_FLAG_WAIT_LAZY           0x00000004
-#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
 #define DRM_FENCE_FLAG_NO_USER             0x00000010
 
 /* Reserved for driver use */
@@ -795,13 +801,12 @@ struct drm_fence_arg {
  * with it as a result of this operation
  */
 #define DRM_BO_HINT_DONT_FENCE  0x00000004
-/*
- * Sleep while waiting for the operation to complete.
- * Without this flag, the kernel will, instead, spin
- * until this operation has completed. I'm not sure
- * why you would ever want this, so please always
- * provide DRM_BO_HINT_WAIT_LAZY to any operation
- * which may block
+/**
+ * On hardware with no interrupt events for operation completion,
+ * indicates that the kernel should sleep while waiting for any blocking
+ * operation to complete rather than spinning.
+ *
+ * Has no effect otherwise.
  */
 #define DRM_BO_HINT_WAIT_LAZY   0x00000008
 /*
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index eee24dd1..8237e145 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -66,6 +66,11 @@ void i915_kernel_lost_context(struct drm_device * dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_ring_buffer *ring = &(dev_priv->ring);
 
+	/* we should never lose context on the ring with modesetting 
+	 * as we don't expose it to userspace */
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		return;
+
 	ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
 	ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR;
 	ring->space = ring->head - (ring->tail + 8);
@@ -75,6 +80,11 @@ void i915_kernel_lost_context(struct drm_device * dev)
 
 int i915_dma_cleanup(struct drm_device * dev)
 {
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		return 0;
+
 	/* Make sure interrupts are disabled here because the uninstall ioctl
 	 * may not have been called from userspace and after dev_private
 	 * is freed, it's too late.
@@ -82,6 +92,28 @@ int i915_dma_cleanup(struct drm_device * dev)
 	if (dev->irq)
 		drm_irq_uninstall(dev);
 
+        if (dev_priv->ring.virtual_start) {
+                drm_core_ioremapfree(&dev_priv->ring.map, dev);
+                dev_priv->ring.virtual_start = 0;
+                dev_priv->ring.map.handle = 0;
+                dev_priv->ring.map.size = 0;
+		dev_priv->ring.Size = 0;
+        }
+
+        if (dev_priv->status_page_dmah) {
+                drm_pci_free(dev, dev_priv->status_page_dmah);
+                dev_priv->status_page_dmah = NULL;
+                /* Need to rewrite hardware status page */
+                I915_WRITE(0x02080, 0x1ffff000);
+        }
+
+        if (dev_priv->status_gfx_addr) {
+                dev_priv->status_gfx_addr = 0;
+                drm_core_ioremapfree(&dev_priv->hws_map, dev);
+                I915_WRITE(0x02080, 0x1ffff000);
+        }
+
+
 	return 0;
 }
 
@@ -153,13 +185,17 @@ static int i915_initialize(struct drm_device * dev,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
 
-	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
-	if (!dev_priv->mmio_map) {
-		i915_dma_cleanup(dev);
-		DRM_ERROR("can not find mmio map!\n");
-		return -EINVAL;
+	if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
+		if (init->mmio_offset != 0)
+			dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
+		if (!dev_priv->mmio_map) {
+			i915_dma_cleanup(dev);
+			DRM_ERROR("can not find mmio map!\n");
+			return -EINVAL;
+		}
 	}
 
+
 #ifdef I915_HAVE_BUFFER
 	dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS;
 #endif
@@ -246,6 +282,9 @@ static int i915_dma_resume(struct drm_device * dev)
 
 	DRM_DEBUG("\n");
 
+	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;
@@ -765,6 +804,8 @@ struct i915_relocatee_info {
 	unsigned page_offset;
 	struct drm_bo_kmap_obj kmap;
 	int is_iomem;
+	int idle;
+	int evicted;
 };
 
 struct drm_i915_validate_buffer {
@@ -820,6 +861,14 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers,
 		drm_bo_kunmap(&relocatee->kmap);
 		relocatee->data_page = NULL;
 		relocatee->offset = new_cmd_offset;
+		
+		if (unlikely(!relocatee->idle)) {
+			ret = drm_bo_wait(relocatee->buf, 0, 0, 0);
+			if (ret)
+				return ret;
+			relocatee->idle = 1;
+		}
+
 		ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT,
 				  1, &relocatee->kmap);
 		if (ret) {
@@ -829,6 +878,12 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers,
 		relocatee->data_page = drm_bmo_virtual(&relocatee->kmap,
 						       &relocatee->is_iomem);
 		relocatee->page_offset = (relocatee->offset & PAGE_MASK);
+		
+		if (!relocatee->evicted && 
+		    relocatee->buf->mem.flags & DRM_BO_FLAG_CACHED_MAPPED) {
+		    drm_bo_evict_cached(relocatee->buf);
+		    relocatee->evicted = 1;
+		}
 	}
 
 	val = buffers[buf_index].buffer->offset;
@@ -963,10 +1018,6 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle,
 	}
 
 	mutex_lock (&relocatee.buf->mutex);
-	ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE);
-	if (ret)
-		goto out_err1;
-
 	while (reloc_user_ptr) {
 		ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count);
 		if (ret) {
@@ -1430,6 +1481,16 @@ drm_i915_mmio_entry_t mmio_table[] = {
 		I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE,
 		0x30010,
 		6
+	},
+	[MMIO_REGS_FENCE] = {
+		I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE,
+		0x2000,
+		8
+	},
+	[MMIO_REGS_FENCE_NEW] = {
+		I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE,
+		0x3000,
+		16
 	}
 };
 
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index a40cabdc..824aee27 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -328,6 +328,8 @@ typedef struct drm_i915_vblank_swap {
 #define MMIO_REGS_PS_DEPTH_COUNT		8
 #define MMIO_REGS_DOVSTA			9
 #define MMIO_REGS_GAMMA				10
+#define MMIO_REGS_FENCE				11
+#define MMIO_REGS_FENCE_NEW			12
 
 typedef struct drm_i915_mmio_entry {
 	unsigned int flag;
diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c
index b2d3f0d0..3d8a1dca 100644
--- a/shared-core/i915_init.c
+++ b/shared-core/i915_init.c
@@ -153,106 +153,113 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	DRM_DEBUG("fb_base: 0x%08lx\n", dev->mode_config.fb_base);
 
 	ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen,
-			 _DRM_REGISTERS, _DRM_READ_ONLY|_DRM_DRIVER, &dev_priv->mmio_map);
+			 _DRM_REGISTERS, _DRM_KERNEL|_DRM_READ_ONLY|_DRM_DRIVER, &dev_priv->mmio_map);
 	if (ret != 0) {
 		DRM_ERROR("Cannot add mapping for MMIO registers\n");
 		return ret;
 	}
 
+#ifdef __linux__
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+        intel_init_chipset_flush_compat(dev);
+#endif
+#endif
+
 	/*
 	 * Initialize the memory manager for local and AGP space
 	 */
 	drm_bo_driver_init(dev);
 
-	i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
-	printk("setting up %ld bytes of VRAM space\n", prealloc_size);
-	printk("setting up %ld bytes of TT space\n", (agp_size - prealloc_size));
-	drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, prealloc_size >> PAGE_SHIFT, 1);
-	drm_bo_init_mm(dev, DRM_BO_MEM_TT, prealloc_size >> PAGE_SHIFT, (agp_size - prealloc_size) >> PAGE_SHIFT, 1);
-
-	I915_WRITE(LP_RING + RING_LEN, 0);
-	I915_WRITE(LP_RING + RING_HEAD, 0);
-	I915_WRITE(LP_RING + RING_TAIL, 0);
-
-	size = PRIMARY_RINGBUFFER_SIZE;
-	ret = drm_buffer_object_create(dev, size, drm_bo_type_kernel,
-				       DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
-				       DRM_BO_FLAG_MEM_VRAM |
-				       DRM_BO_FLAG_NO_EVICT,
-				       DRM_BO_HINT_DONT_FENCE, 0x1, 0,
-				       &dev_priv->ring_buffer);
-	if (ret < 0) {
-		DRM_ERROR("Unable to allocate or pin ring buffer\n");
-		return -EINVAL;
-	}
-
-	/* remap the buffer object properly */
-	dev_priv->ring.Start = dev_priv->ring_buffer->offset;
-	dev_priv->ring.End = dev_priv->ring.Start + size;
-	dev_priv->ring.Size = size;
-	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
-	/* FIXME: need wrapper with PCI mem checks */
-	ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem,
-				  (void **) &dev_priv->ring.virtual_start);
-	if (ret)
-		DRM_ERROR("error mapping ring buffer: %d\n", ret);
-
-	DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start,
-		  dev_priv->ring.virtual_start, dev_priv->ring.Size);
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
+		printk("setting up %ld bytes of VRAM space\n", prealloc_size);
+		printk("setting up %ld bytes of TT space\n", (agp_size - prealloc_size));
+		drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, prealloc_size >> PAGE_SHIFT, 1);
+		drm_bo_init_mm(dev, DRM_BO_MEM_TT, prealloc_size >> PAGE_SHIFT, (agp_size - prealloc_size) >> PAGE_SHIFT, 1);
+		
+		I915_WRITE(LP_RING + RING_LEN, 0);
+		I915_WRITE(LP_RING + RING_HEAD, 0);
+		I915_WRITE(LP_RING + RING_TAIL, 0);
+
+		size = PRIMARY_RINGBUFFER_SIZE;
+		ret = drm_buffer_object_create(dev, size, drm_bo_type_kernel,
+					       DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
+					       DRM_BO_FLAG_MEM_VRAM |
+					       DRM_BO_FLAG_NO_EVICT,
+					       DRM_BO_HINT_DONT_FENCE, 0x1, 0,
+					       &dev_priv->ring_buffer);
+		if (ret < 0) {
+			DRM_ERROR("Unable to allocate or pin ring buffer\n");
+			return -EINVAL;
+		}
+		
+		/* remap the buffer object properly */
+		dev_priv->ring.Start = dev_priv->ring_buffer->offset;
+		dev_priv->ring.End = dev_priv->ring.Start + size;
+		dev_priv->ring.Size = size;
+		dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
+
+		/* FIXME: need wrapper with PCI mem checks */
+		ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem,
+					  (void **) &dev_priv->ring.virtual_start);
+		if (ret)
+			DRM_ERROR("error mapping ring buffer: %d\n", ret);
+		
+		DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start,
+			  dev_priv->ring.virtual_start, dev_priv->ring.Size);
 
 	//
 
-	memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size);
-
-	I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start);
-	I915_WRITE(LP_RING + RING_LEN,
-		   ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) |
-		   (RING_NO_REPORT | RING_VALID));
-
-	/* We are using separate values as placeholders for mechanisms for
-	 * private backbuffer/depthbuffer usage.
-	 */
-	dev_priv->use_mi_batchbuffer_start = 0;
+		memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size);
+		
+		I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start);
+		I915_WRITE(LP_RING + RING_LEN,
+			   ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) |
+			   (RING_NO_REPORT | RING_VALID));
+
+		/* We are using separate values as placeholders for mechanisms for
+		 * private backbuffer/depthbuffer usage.
+		 */
+		dev_priv->use_mi_batchbuffer_start = 0;
+		
+		/* Allow hardware batchbuffers unless told otherwise.
+		 */
+		dev_priv->allow_batchbuffer = 1;
+
+		/* Program Hardware Status Page */
+		if (!IS_G33(dev)) {
+			dev_priv->status_page_dmah = 
+				drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
+			
+			if (!dev_priv->status_page_dmah) {
+				dev->dev_private = (void *)dev_priv;
+				i915_dma_cleanup(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->dma_status_page = dev_priv->status_page_dmah->busaddr;
+			
+			memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+			
+			I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page);
+		}
+		DRM_DEBUG("Enabled hardware status page\n");
 
-	/* Allow hardware batchbuffers unless told otherwise.
-	 */
-	dev_priv->allow_batchbuffer = 1;
-
-	/* Program Hardware Status Page */
-	if (!IS_G33(dev)) {
-		dev_priv->status_page_dmah = 
-			drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
-
-		if (!dev_priv->status_page_dmah) {
-			dev->dev_private = (void *)dev_priv;
-			i915_dma_cleanup(dev);
-			DRM_ERROR("Can not allocate hardware status page\n");
-			return -ENOMEM;
+		dev_priv->wq = create_singlethread_workqueue("i915");
+		if (dev_priv == 0) {
+		  DRM_DEBUG("Error\n");
 		}
-		dev_priv->hw_status_page = 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);
+		intel_modeset_init(dev);
+		drm_initial_config(dev, false);
 
-		I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page);
-	}
-	DRM_DEBUG("Enabled hardware status page\n");
+		drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM");
+		drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT");
 
-	dev_priv->wq = create_singlethread_workqueue("i915");
-	if (dev_priv == 0) {
-		DRM_DEBUG("Error\n");
+		drm_irq_install(dev);
 	}
 
-
-	intel_modeset_init(dev);
-	drm_initial_config(dev, false);
-
-	drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM");
-	drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT");
-
-	drm_irq_install(dev);
-
 	return 0;
 }
 
@@ -262,7 +269,11 @@ int i915_driver_unload(struct drm_device *dev)
 
 	I915_WRITE(LP_RING + RING_LEN, 0);
 
-	intel_modeset_cleanup(dev);
+
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		drm_irq_uninstall(dev);
+		intel_modeset_cleanup(dev);
+	}
 
 #if 0
 	if (dev_priv->ring.virtual_start) {
@@ -298,25 +309,33 @@ int i915_driver_unload(struct drm_device *dev)
 		I915_WRITE(I915REG_HWS_PGA, 0x1ffff000);
 	}
 
-	drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem,
-			    dev_priv->ring.virtual_start);
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem,
+				    dev_priv->ring.virtual_start);
 
-	DRM_DEBUG("usage is %d\n", atomic_read(&dev_priv->ring_buffer->usage));
-	mutex_lock(&dev->struct_mutex);
-	drm_bo_usage_deref_locked(&dev_priv->ring_buffer);
+		DRM_DEBUG("usage is %d\n", atomic_read(&dev_priv->ring_buffer->usage));
+		mutex_lock(&dev->struct_mutex);
+		drm_bo_usage_deref_locked(&dev_priv->ring_buffer);
 
-	if (drm_bo_clean_mm(dev, DRM_BO_MEM_TT, 1)) {
-		DRM_ERROR("Memory manager type 3 not clean. "
-			  "Delaying takedown\n");
-	}
-	if (drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM, 1)) {
-		DRM_ERROR("Memory manager type 3 not clean. "
-			  "Delaying takedown\n");
+		if (drm_bo_clean_mm(dev, DRM_BO_MEM_TT, 1)) {
+			DRM_ERROR("Memory manager type 3 not clean. "
+				  "Delaying takedown\n");
+		}
+		if (drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM, 1)) {
+			DRM_ERROR("Memory manager type 3 not clean. "
+				  "Delaying takedown\n");
+		}
+		mutex_unlock(&dev->struct_mutex);
 	}
-	mutex_unlock(&dev->struct_mutex);
 
 	drm_bo_driver_finish(dev);
 
+#ifdef __linux__
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+        intel_init_chipset_flush_compat(dev);
+#endif
+#endif
+
         DRM_DEBUG("%p\n", dev_priv->mmio_map);
         drm_rmmap(dev, dev_priv->mmio_map);
 
@@ -363,3 +382,32 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
 
 	master->driver_priv = NULL;
 }
+
+void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
+{
+        struct drm_i915_private *dev_priv = dev->dev_private;
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		i915_mem_release(dev, file_priv, dev_priv->agp_heap);
+}
+
+void i915_driver_lastclose(struct drm_device * dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		return;
+
+	if (dev_priv->agp_heap)
+		i915_mem_takedown(&(dev_priv->agp_heap));
+	
+	i915_dma_cleanup(dev);
+}
+
+int i915_driver_firstopen(struct drm_device *dev)
+{
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		return 0;
+
+	drm_bo_driver_init(dev);
+	return 0;
+}
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index dad6ef86..b9d137f4 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -415,6 +415,13 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
 	if (i915_in_vblank(dev, pipe))
 		count++;
 #endif
+	/* count may be reset by other driver(e.g. 2D driver), 
+	   we have no way to know if it is wrapped or resetted 
+	   when count is zero. do a rough guess.
+	*/
+	if (count == 0 && dev->last_vblank[pipe] < dev->max_vblank_count/2)
+		dev->last_vblank[pipe] = 0; 
+	
 	return count;
 }