---

yaml
---
r: 177647
b: refs/heads/master
c: fb1d973
h: refs/heads/master
i:
  177645: b1926f0
  177643: e9e830b
  177639: f4b9007
  177631: 76b1286
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 632f61178d0473861ba77e774bb654b37bc7eccc
+refs/heads/master: fb1d9738ca053ea8afa5e86af6463155f983b01c

trunk/drivers/gpu/drm/Makefile

@@ -30,4 +30,5 @@ obj-$(CONFIG_DRM_I830)	+= i830/
 obj-$(CONFIG_DRM_I915)  += i915/
 obj-$(CONFIG_DRM_SIS)   += sis/
 obj-$(CONFIG_DRM_SAVAGE)+= savage/
+obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
 obj-$(CONFIG_DRM_VIA)	+=via/

trunk/drivers/gpu/drm/vmwgfx/Kconfig

@@ -0,0 +1,13 @@
+config DRM_VMWGFX
+	tristate "DRM driver for VMware Virtual GPU"
+	depends on DRM && PCI
+	select FB_DEFERRED_IO
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	select DRM_TTM
+	help
+	  KMS enabled DRM driver for SVGA2 virtual hardware.
+
+	  If unsure say n. The compiled module will be
+	  called vmwgfx.ko

trunk/drivers/gpu/drm/vmwgfx/Makefile

@@ -0,0 +1,9 @@
+
+ccflags-y := -Iinclude/drm
+
+vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
+	    vmwgfx_fb.o vmwgfx_ioctl.o vmwgfx_resource.o vmwgfx_buffer.o \
+	    vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \
+	    vmwgfx_overlay.o
+
+obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o

trunk/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c

@@ -0,0 +1,229 @@
+/**************************************************************************
+ *
+ * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "vmwgfx_drv.h"
+#include "ttm/ttm_bo_driver.h"
+#include "ttm/ttm_placement.h"
+
+static uint32_t vram_placement_flags = TTM_PL_FLAG_VRAM |
+	TTM_PL_FLAG_CACHED;
+
+static uint32_t vram_ne_placement_flags = TTM_PL_FLAG_VRAM |
+	TTM_PL_FLAG_CACHED |
+	TTM_PL_FLAG_NO_EVICT;
+
+static uint32_t sys_placement_flags = TTM_PL_FLAG_SYSTEM |
+	TTM_PL_FLAG_CACHED;
+
+struct ttm_placement vmw_vram_placement = {
+	.fpfn = 0,
+	.lpfn = 0,
+	.num_placement = 1,
+	.placement = &vram_placement_flags,
+	.num_busy_placement = 1,
+	.busy_placement = &vram_placement_flags
+};
+
+struct ttm_placement vmw_vram_ne_placement = {
+	.fpfn = 0,
+	.lpfn = 0,
+	.num_placement = 1,
+	.placement = &vram_ne_placement_flags,
+	.num_busy_placement = 1,
+	.busy_placement = &vram_ne_placement_flags
+};
+
+struct ttm_placement vmw_sys_placement = {
+	.fpfn = 0,
+	.lpfn = 0,
+	.num_placement = 1,
+	.placement = &sys_placement_flags,
+	.num_busy_placement = 1,
+	.busy_placement = &sys_placement_flags
+};
+
+struct vmw_ttm_backend {
+	struct ttm_backend backend;
+};
+
+static int vmw_ttm_populate(struct ttm_backend *backend,
+			    unsigned long num_pages, struct page **pages,
+			    struct page *dummy_read_page)
+{
+	return 0;
+}
+
+static int vmw_ttm_bind(struct ttm_backend *backend, struct ttm_mem_reg *bo_mem)
+{
+	return 0;
+}
+
+static int vmw_ttm_unbind(struct ttm_backend *backend)
+{
+	return 0;
+}
+
+static void vmw_ttm_clear(struct ttm_backend *backend)
+{
+}
+
+static void vmw_ttm_destroy(struct ttm_backend *backend)
+{
+	struct vmw_ttm_backend *vmw_be =
+	    container_of(backend, struct vmw_ttm_backend, backend);
+
+	kfree(vmw_be);
+}
+
+static struct ttm_backend_func vmw_ttm_func = {
+	.populate = vmw_ttm_populate,
+	.clear = vmw_ttm_clear,
+	.bind = vmw_ttm_bind,
+	.unbind = vmw_ttm_unbind,
+	.destroy = vmw_ttm_destroy,
+};
+
+struct ttm_backend *vmw_ttm_backend_init(struct ttm_bo_device *bdev)
+{
+	struct vmw_ttm_backend *vmw_be;
+
+	vmw_be = kmalloc(sizeof(*vmw_be), GFP_KERNEL);
+	if (!vmw_be)
+		return NULL;
+
+	vmw_be->backend.func = &vmw_ttm_func;
+
+	return &vmw_be->backend;
+}
+
+int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
+{
+	return 0;
+}
+
+int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
+		      struct ttm_mem_type_manager *man)
+{
+	struct vmw_private *dev_priv =
+	    container_of(bdev, struct vmw_private, bdev);
+
+	switch (type) {
+	case TTM_PL_SYSTEM:
+		/* System memory */
+
+		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
+		man->available_caching = TTM_PL_MASK_CACHING;
+		man->default_caching = TTM_PL_FLAG_CACHED;
+		break;
+	case TTM_PL_VRAM:
+		/* "On-card" video ram */
+		man->gpu_offset = 0;
+		man->io_offset = dev_priv->vram_start;
+		man->io_size = dev_priv->vram_size;
+		man->flags = TTM_MEMTYPE_FLAG_FIXED |
+		    TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | TTM_MEMTYPE_FLAG_MAPPABLE;
+		man->io_addr = NULL;
+		man->available_caching = TTM_PL_MASK_CACHING;
+		man->default_caching = TTM_PL_FLAG_WC;
+		break;
+	default:
+		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+void vmw_evict_flags(struct ttm_buffer_object *bo,
+		     struct ttm_placement *placement)
+{
+	*placement = vmw_sys_placement;
+}
+
+/**
+ * FIXME: Proper access checks on buffers.
+ */
+
+static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp)
+{
+	return 0;
+}
+
+/**
+ * FIXME: We're using the old vmware polling method to sync.
+ * Do this with fences instead.
+ */
+
+static void *vmw_sync_obj_ref(void *sync_obj)
+{
+	return sync_obj;
+}
+
+static void vmw_sync_obj_unref(void **sync_obj)
+{
+	*sync_obj = NULL;
+}
+
+static int vmw_sync_obj_flush(void *sync_obj, void *sync_arg)
+{
+	struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
+
+	mutex_lock(&dev_priv->hw_mutex);
+	vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
+	mutex_unlock(&dev_priv->hw_mutex);
+	return 0;
+}
+
+static bool vmw_sync_obj_signaled(void *sync_obj, void *sync_arg)
+{
+	struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
+	uint32_t sequence = (unsigned long) sync_obj;
+
+	return vmw_fence_signaled(dev_priv, sequence);
+}
+
+static int vmw_sync_obj_wait(void *sync_obj, void *sync_arg,
+			     bool lazy, bool interruptible)
+{
+	struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
+	uint32_t sequence = (unsigned long) sync_obj;
+
+	return vmw_wait_fence(dev_priv, false, sequence, false, 3*HZ);
+}
+
+struct ttm_bo_driver vmw_bo_driver = {
+	.create_ttm_backend_entry = vmw_ttm_backend_init,
+	.invalidate_caches = vmw_invalidate_caches,
+	.init_mem_type = vmw_init_mem_type,
+	.evict_flags = vmw_evict_flags,
+	.move = NULL,
+	.verify_access = vmw_verify_access,
+	.sync_obj_signaled = vmw_sync_obj_signaled,
+	.sync_obj_wait = vmw_sync_obj_wait,
+	.sync_obj_flush = vmw_sync_obj_flush,
+	.sync_obj_unref = vmw_sync_obj_unref,
+	.sync_obj_ref = vmw_sync_obj_ref
+};