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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c735
1 files changed, 735 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
new file mode 100644
index 00000000000..7b48bb3b63b
--- /dev/null
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -0,0 +1,735 @@
+/**************************************************************************
+ *
+ * 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 "drmP.h"
+#include "vmwgfx_drv.h"
+#include "ttm/ttm_placement.h"
+#include "ttm/ttm_bo_driver.h"
+#include "ttm/ttm_object.h"
+#include "ttm/ttm_module.h"
+
+#define VMWGFX_DRIVER_NAME "vmwgfx"
+#define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
+#define VMWGFX_CHIP_SVGAII 0
+#define VMW_FB_RESERVATION 0
+
+/**
+ * Fully encoded drm commands. Might move to vmw_drm.h
+ */
+
+#define DRM_IOCTL_VMW_GET_PARAM \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
+ struct drm_vmw_getparam_arg)
+#define DRM_IOCTL_VMW_ALLOC_DMABUF \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
+ union drm_vmw_alloc_dmabuf_arg)
+#define DRM_IOCTL_VMW_UNREF_DMABUF \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
+ struct drm_vmw_unref_dmabuf_arg)
+#define DRM_IOCTL_VMW_CURSOR_BYPASS \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
+ struct drm_vmw_cursor_bypass_arg)
+
+#define DRM_IOCTL_VMW_CONTROL_STREAM \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
+ struct drm_vmw_control_stream_arg)
+#define DRM_IOCTL_VMW_CLAIM_STREAM \
+ DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
+ struct drm_vmw_stream_arg)
+#define DRM_IOCTL_VMW_UNREF_STREAM \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
+ struct drm_vmw_stream_arg)
+
+#define DRM_IOCTL_VMW_CREATE_CONTEXT \
+ DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
+ struct drm_vmw_context_arg)
+#define DRM_IOCTL_VMW_UNREF_CONTEXT \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
+ struct drm_vmw_context_arg)
+#define DRM_IOCTL_VMW_CREATE_SURFACE \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
+ union drm_vmw_surface_create_arg)
+#define DRM_IOCTL_VMW_UNREF_SURFACE \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
+ struct drm_vmw_surface_arg)
+#define DRM_IOCTL_VMW_REF_SURFACE \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
+ union drm_vmw_surface_reference_arg)
+#define DRM_IOCTL_VMW_EXECBUF \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
+ struct drm_vmw_execbuf_arg)
+#define DRM_IOCTL_VMW_FIFO_DEBUG \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FIFO_DEBUG, \
+ struct drm_vmw_fifo_debug_arg)
+#define DRM_IOCTL_VMW_FENCE_WAIT \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
+ struct drm_vmw_fence_wait_arg)
+
+
+/**
+ * The core DRM version of this macro doesn't account for
+ * DRM_COMMAND_BASE.
+ */
+
+#define VMW_IOCTL_DEF(ioctl, func, flags) \
+ [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
+
+/**
+ * Ioctl definitions.
+ */
+
+static struct drm_ioctl_desc vmw_ioctls[] = {
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM, vmw_getparam_ioctl, 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_CURSOR_BYPASS,
+ vmw_kms_cursor_bypass_ioctl, 0),
+
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_CONTROL_STREAM, vmw_overlay_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
+ 0),
+
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_REF_SURFACE, vmw_surface_reference_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_EXECBUF, vmw_execbuf_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_FIFO_DEBUG, vmw_fifo_debug_ioctl,
+ 0),
+ VMW_IOCTL_DEF(DRM_IOCTL_VMW_FENCE_WAIT, vmw_fence_wait_ioctl,
+ 0)
+};
+
+static struct pci_device_id vmw_pci_id_list[] = {
+ {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
+ {0, 0, 0}
+};
+
+static char *vmw_devname = "vmwgfx";
+
+static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
+static void vmw_master_init(struct vmw_master *);
+
+static void vmw_print_capabilities(uint32_t capabilities)
+{
+ DRM_INFO("Capabilities:\n");
+ if (capabilities & SVGA_CAP_RECT_COPY)
+ DRM_INFO(" Rect copy.\n");
+ if (capabilities & SVGA_CAP_CURSOR)
+ DRM_INFO(" Cursor.\n");
+ if (capabilities & SVGA_CAP_CURSOR_BYPASS)
+ DRM_INFO(" Cursor bypass.\n");
+ if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
+ DRM_INFO(" Cursor bypass 2.\n");
+ if (capabilities & SVGA_CAP_8BIT_EMULATION)
+ DRM_INFO(" 8bit emulation.\n");
+ if (capabilities & SVGA_CAP_ALPHA_CURSOR)
+ DRM_INFO(" Alpha cursor.\n");
+ if (capabilities & SVGA_CAP_3D)
+ DRM_INFO(" 3D.\n");
+ if (capabilities & SVGA_CAP_EXTENDED_FIFO)
+ DRM_INFO(" Extended Fifo.\n");
+ if (capabilities & SVGA_CAP_MULTIMON)
+ DRM_INFO(" Multimon.\n");
+ if (capabilities & SVGA_CAP_PITCHLOCK)
+ DRM_INFO(" Pitchlock.\n");
+ if (capabilities & SVGA_CAP_IRQMASK)
+ DRM_INFO(" Irq mask.\n");
+ if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
+ DRM_INFO(" Display Topology.\n");
+ if (capabilities & SVGA_CAP_GMR)
+ DRM_INFO(" GMR.\n");
+ if (capabilities & SVGA_CAP_TRACES)
+ DRM_INFO(" Traces.\n");
+}
+
+static int vmw_request_device(struct vmw_private *dev_priv)
+{
+ int ret;
+
+ vmw_kms_save_vga(dev_priv);
+
+ ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Unable to initialize FIFO.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void vmw_release_device(struct vmw_private *dev_priv)
+{
+ vmw_fifo_release(dev_priv, &dev_priv->fifo);
+ vmw_kms_restore_vga(dev_priv);
+}
+
+
+static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
+{
+ struct vmw_private *dev_priv;
+ int ret;
+
+ dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
+ if (unlikely(dev_priv == NULL)) {
+ DRM_ERROR("Failed allocating a device private struct.\n");
+ return -ENOMEM;
+ }
+ memset(dev_priv, 0, sizeof(*dev_priv));
+
+ dev_priv->dev = dev;
+ dev_priv->vmw_chipset = chipset;
+ mutex_init(&dev_priv->hw_mutex);
+ mutex_init(&dev_priv->cmdbuf_mutex);
+ rwlock_init(&dev_priv->resource_lock);
+ idr_init(&dev_priv->context_idr);
+ idr_init(&dev_priv->surface_idr);
+ idr_init(&dev_priv->stream_idr);
+ ida_init(&dev_priv->gmr_ida);
+ mutex_init(&dev_priv->init_mutex);
+ init_waitqueue_head(&dev_priv->fence_queue);
+ init_waitqueue_head(&dev_priv->fifo_queue);
+ atomic_set(&dev_priv->fence_queue_waiters, 0);
+ atomic_set(&dev_priv->fifo_queue_waiters, 0);
+ INIT_LIST_HEAD(&dev_priv->gmr_lru);
+
+ dev_priv->io_start = pci_resource_start(dev->pdev, 0);
+ dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
+ dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
+
+ mutex_lock(&dev_priv->hw_mutex);
+ dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
+
+ if (dev_priv->capabilities & SVGA_CAP_GMR) {
+ dev_priv->max_gmr_descriptors =
+ vmw_read(dev_priv,
+ SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
+ dev_priv->max_gmr_ids =
+ vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
+ }
+
+ dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
+ dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
+ dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
+ dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
+
+ mutex_unlock(&dev_priv->hw_mutex);
+
+ vmw_print_capabilities(dev_priv->capabilities);
+
+ if (dev_priv->capabilities & SVGA_CAP_GMR) {
+ DRM_INFO("Max GMR ids is %u\n",
+ (unsigned)dev_priv->max_gmr_ids);
+ DRM_INFO("Max GMR descriptors is %u\n",
+ (unsigned)dev_priv->max_gmr_descriptors);
+ }
+ DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
+ dev_priv->vram_start, dev_priv->vram_size / 1024);
+ DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
+ dev_priv->mmio_start, dev_priv->mmio_size / 1024);
+
+ ret = vmw_ttm_global_init(dev_priv);
+ if (unlikely(ret != 0))
+ goto out_err0;
+
+
+ vmw_master_init(&dev_priv->fbdev_master);
+ ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
+ dev_priv->active_master = &dev_priv->fbdev_master;
+
+
+ ret = ttm_bo_device_init(&dev_priv->bdev,
+ dev_priv->bo_global_ref.ref.object,
+ &vmw_bo_driver, VMWGFX_FILE_PAGE_OFFSET,
+ false);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Failed initializing TTM buffer object driver.\n");
+ goto out_err1;
+ }
+
+ ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
+ (dev_priv->vram_size >> PAGE_SHIFT));
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Failed initializing memory manager for VRAM.\n");
+ goto out_err2;
+ }
+
+ dev_priv->mmio_mtrr = drm_mtrr_add(dev_priv->mmio_start,
+ dev_priv->mmio_size, DRM_MTRR_WC);
+
+ dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
+ dev_priv->mmio_size);
+
+ if (unlikely(dev_priv->mmio_virt == NULL)) {
+ ret = -ENOMEM;
+ DRM_ERROR("Failed mapping MMIO.\n");
+ goto out_err3;
+ }
+
+ dev_priv->tdev = ttm_object_device_init
+ (dev_priv->mem_global_ref.object, 12);
+
+ if (unlikely(dev_priv->tdev == NULL)) {
+ DRM_ERROR("Unable to initialize TTM object management.\n");
+ ret = -ENOMEM;
+ goto out_err4;
+ }
+
+ dev->dev_private = dev_priv;
+
+ if (!dev->devname)
+ dev->devname = vmw_devname;
+
+ if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
+ ret = drm_irq_install(dev);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Failed installing irq: %d\n", ret);
+ goto out_no_irq;
+ }
+ }
+
+ ret = pci_request_regions(dev->pdev, "vmwgfx probe");
+ dev_priv->stealth = (ret != 0);
+ if (dev_priv->stealth) {
+ /**
+ * Request at least the mmio PCI resource.
+ */
+
+ DRM_INFO("It appears like vesafb is loaded. "
+ "Ignore above error if any. Entering stealth mode.\n");
+ ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
+ goto out_no_device;
+ }
+ vmw_kms_init(dev_priv);
+ vmw_overlay_init(dev_priv);
+ } else {
+ ret = vmw_request_device(dev_priv);
+ if (unlikely(ret != 0))
+ goto out_no_device;
+ vmw_kms_init(dev_priv);
+ vmw_overlay_init(dev_priv);
+ vmw_fb_init(dev_priv);
+ }
+
+ return 0;
+
+out_no_device:
+ if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+ drm_irq_uninstall(dev_priv->dev);
+ if (dev->devname == vmw_devname)
+ dev->devname = NULL;
+out_no_irq:
+ ttm_object_device_release(&dev_priv->tdev);
+out_err4:
+ iounmap(dev_priv->mmio_virt);
+out_err3:
+ drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
+ dev_priv->mmio_size, DRM_MTRR_WC);
+ (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+out_err2:
+ (void)ttm_bo_device_release(&dev_priv->bdev);
+out_err1:
+ vmw_ttm_global_release(dev_priv);
+out_err0:
+ ida_destroy(&dev_priv->gmr_ida);
+ idr_destroy(&dev_priv->surface_idr);
+ idr_destroy(&dev_priv->context_idr);
+ idr_destroy(&dev_priv->stream_idr);
+ kfree(dev_priv);
+ return ret;
+}
+
+static int vmw_driver_unload(struct drm_device *dev)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+
+ DRM_INFO(VMWGFX_DRIVER_NAME " unload.\n");
+
+ if (!dev_priv->stealth) {
+ vmw_fb_close(dev_priv);
+ vmw_kms_close(dev_priv);
+ vmw_overlay_close(dev_priv);
+ vmw_release_device(dev_priv);
+ pci_release_regions(dev->pdev);
+ } else {
+ vmw_kms_close(dev_priv);
+ vmw_overlay_close(dev_priv);
+ pci_release_region(dev->pdev, 2);
+ }
+ if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+ drm_irq_uninstall(dev_priv->dev);
+ if (dev->devname == vmw_devname)
+ dev->devname = NULL;
+ ttm_object_device_release(&dev_priv->tdev);
+ iounmap(dev_priv->mmio_virt);
+ drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
+ dev_priv->mmio_size, DRM_MTRR_WC);
+ (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+ (void)ttm_bo_device_release(&dev_priv->bdev);
+ vmw_ttm_global_release(dev_priv);
+ ida_destroy(&dev_priv->gmr_ida);
+ idr_destroy(&dev_priv->surface_idr);
+ idr_destroy(&dev_priv->context_idr);
+ idr_destroy(&dev_priv->stream_idr);
+
+ kfree(dev_priv);
+
+ return 0;
+}
+
+static void vmw_postclose(struct drm_device *dev,
+ struct drm_file *file_priv)
+{
+ struct vmw_fpriv *vmw_fp;
+
+ vmw_fp = vmw_fpriv(file_priv);
+ ttm_object_file_release(&vmw_fp->tfile);
+ if (vmw_fp->locked_master)
+ drm_master_put(&vmw_fp->locked_master);
+ kfree(vmw_fp);
+}
+
+static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct vmw_fpriv *vmw_fp;
+ int ret = -ENOMEM;
+
+ vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
+ if (unlikely(vmw_fp == NULL))
+ return ret;
+
+ vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
+ if (unlikely(vmw_fp->tfile == NULL))
+ goto out_no_tfile;
+
+ file_priv->driver_priv = vmw_fp;
+
+ if (unlikely(dev_priv->bdev.dev_mapping == NULL))
+ dev_priv->bdev.dev_mapping =
+ file_priv->filp->f_path.dentry->d_inode->i_mapping;
+
+ return 0;
+
+out_no_tfile:
+ kfree(vmw_fp);
+ return ret;
+}
+
+static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ struct drm_file *file_priv = filp->private_data;
+ struct drm_device *dev = file_priv->minor->dev;
+ unsigned int nr = DRM_IOCTL_NR(cmd);
+ long ret;
+
+ /*
+ * The driver private ioctls and TTM ioctls should be
+ * thread-safe.
+ */
+
+ if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
+ && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
+ struct drm_ioctl_desc *ioctl =
+ &vmw_ioctls[nr - DRM_COMMAND_BASE];
+
+ if (unlikely(ioctl->cmd != cmd)) {
+ DRM_ERROR("Invalid command format, ioctl %d\n",
+ nr - DRM_COMMAND_BASE);
+ return -EINVAL;
+ }
+ return drm_ioctl(filp->f_path.dentry->d_inode,
+ filp, cmd, arg);
+ }
+
+ /*
+ * Not all old drm ioctls are thread-safe.
+ */
+
+ lock_kernel();
+ ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
+ unlock_kernel();
+ return ret;
+}
+
+static int vmw_firstopen(struct drm_device *dev)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ dev_priv->is_opened = true;
+
+ return 0;
+}
+
+static void vmw_lastclose(struct drm_device *dev)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct drm_crtc *crtc;
+ struct drm_mode_set set;
+ int ret;
+
+ /**
+ * Do nothing on the lastclose call from drm_unload.
+ */
+
+ if (!dev_priv->is_opened)
+ return;
+
+ dev_priv->is_opened = false;
+ set.x = 0;
+ set.y = 0;
+ set.fb = NULL;
+ set.mode = NULL;
+ set.connectors = NULL;
+ set.num_connectors = 0;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ set.crtc = crtc;
+ ret = crtc->funcs->set_config(&set);
+ WARN_ON(ret != 0);
+ }
+
+}
+
+static void vmw_master_init(struct vmw_master *vmaster)
+{
+ ttm_lock_init(&vmaster->lock);
+}
+
+static int vmw_master_create(struct drm_device *dev,
+ struct drm_master *master)
+{
+ struct vmw_master *vmaster;
+
+ DRM_INFO("Master create.\n");
+ vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
+ if (unlikely(vmaster == NULL))
+ return -ENOMEM;
+
+ ttm_lock_init(&vmaster->lock);
+ ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
+ master->driver_priv = vmaster;
+
+ return 0;
+}
+
+static void vmw_master_destroy(struct drm_device *dev,
+ struct drm_master *master)
+{
+ struct vmw_master *vmaster = vmw_master(master);
+
+ DRM_INFO("Master destroy.\n");
+ master->driver_priv = NULL;
+ kfree(vmaster);
+}
+
+
+static int vmw_master_set(struct drm_device *dev,
+ struct drm_file *file_priv,
+ bool from_open)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
+ struct vmw_master *active = dev_priv->active_master;
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ int ret = 0;
+
+ DRM_INFO("Master set.\n");
+ if (dev_priv->stealth) {
+ ret = vmw_request_device(dev_priv);
+ if (unlikely(ret != 0))
+ return ret;
+ }
+
+ if (active) {
+ BUG_ON(active != &dev_priv->fbdev_master);
+ ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
+ if (unlikely(ret != 0))
+ goto out_no_active_lock;
+
+ ttm_lock_set_kill(&active->lock, true, SIGTERM);
+ ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Unable to clean VRAM on "
+ "master drop.\n");
+ }
+
+ dev_priv->active_master = NULL;
+ }
+
+ ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
+ if (!from_open) {
+ ttm_vt_unlock(&vmaster->lock);
+ BUG_ON(vmw_fp->locked_master != file_priv->master);
+ drm_master_put(&vmw_fp->locked_master);
+ }
+
+ dev_priv->active_master = vmaster;
+
+ return 0;
+
+out_no_active_lock:
+ vmw_release_device(dev_priv);
+ return ret;
+}
+
+static void vmw_master_drop(struct drm_device *dev,
+ struct drm_file *file_priv,
+ bool from_release)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ int ret;
+
+ DRM_INFO("Master drop.\n");
+
+ /**
+ * Make sure the master doesn't disappear while we have
+ * it locked.
+ */
+
+ vmw_fp->locked_master = drm_master_get(file_priv->master);
+ ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
+
+ if (unlikely((ret != 0))) {
+ DRM_ERROR("Unable to lock TTM at VT switch.\n");
+ drm_master_put(&vmw_fp->locked_master);
+ }
+
+ ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
+
+ if (dev_priv->stealth) {
+ ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
+ if (unlikely(ret != 0))
+ DRM_ERROR("Unable to clean VRAM on master drop.\n");
+ vmw_release_device(dev_priv);
+ }
+ dev_priv->active_master = &dev_priv->fbdev_master;
+ ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
+ ttm_vt_unlock(&dev_priv->fbdev_master.lock);
+
+ if (!dev_priv->stealth)
+ vmw_fb_on(dev_priv);
+}
+
+
+static void vmw_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ drm_put_dev(dev);
+}
+
+static struct drm_driver driver = {
+ .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
+ DRIVER_MODESET,
+ .load = vmw_driver_load,
+ .unload = vmw_driver_unload,
+ .firstopen = vmw_firstopen,
+ .lastclose = vmw_lastclose,
+ .irq_preinstall = vmw_irq_preinstall,
+ .irq_postinstall = vmw_irq_postinstall,
+ .irq_uninstall = vmw_irq_uninstall,
+ .irq_handler = vmw_irq_handler,
+ .reclaim_buffers_locked = NULL,
+ .get_map_ofs = drm_core_get_map_ofs,
+ .get_reg_ofs = drm_core_get_reg_ofs,
+ .ioctls = vmw_ioctls,
+ .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
+ .dma_quiescent = NULL, /*vmw_dma_quiescent, */
+ .master_create = vmw_master_create,
+ .master_destroy = vmw_master_destroy,
+ .master_set = vmw_master_set,
+ .master_drop = vmw_master_drop,
+ .open = vmw_driver_open,
+ .postclose = vmw_postclose,
+ .fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = vmw_unlocked_ioctl,
+ .mmap = vmw_mmap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+#if defined(CONFIG_COMPAT)
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ },
+ .pci_driver = {
+ .name = VMWGFX_DRIVER_NAME,
+ .id_table = vmw_pci_id_list,
+ .probe = vmw_probe,
+ .remove = vmw_remove
+ },
+ .name = VMWGFX_DRIVER_NAME,
+ .desc = VMWGFX_DRIVER_DESC,
+ .date = VMWGFX_DRIVER_DATE,
+ .major = VMWGFX_DRIVER_MAJOR,
+ .minor = VMWGFX_DRIVER_MINOR,
+ .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
+};
+
+static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_dev(pdev, ent, &driver);
+}
+
+static int __init vmwgfx_init(void)
+{
+ int ret;
+ ret = drm_init(&driver);
+ if (ret)
+ DRM_ERROR("Failed initializing DRM.\n");
+ return ret;
+}
+
+static void __exit vmwgfx_exit(void)
+{
+ drm_exit(&driver);
+}
+
+module_init(vmwgfx_init);
+module_exit(vmwgfx_exit);
+
+MODULE_AUTHOR("VMware Inc. and others");
+MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
+MODULE_LICENSE("GPL and additional rights");