From 2854eedae2ff35d95e8923bebdb942bbd537c54f Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Thu, 30 Sep 2010 12:18:33 +0200 Subject: drm/vmwgfx: Fix breakage introduced by commit "drm: block userspace under allocating buffer and having drivers overwrite it (v2)" The mentioned commit breaks the vmwgfx ioctl argument sanity check. Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 72ec2e2b6e97..292aeba385e0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -500,7 +500,7 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd, struct drm_ioctl_desc *ioctl = &vmw_ioctls[nr - DRM_COMMAND_BASE]; - if (unlikely(ioctl->cmd != cmd)) { + if (unlikely(ioctl->cmd_drv != cmd)) { DRM_ERROR("Invalid command format, ioctl %d\n", nr - DRM_COMMAND_BASE); return -EINVAL; -- cgit v1.2.3 From 30c78bb838b26ec7997515844c0c734e454b3cba Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Fri, 1 Oct 2010 10:21:48 +0200 Subject: vmwgfx: vt-switch (master drop) fixes We add an option not to enable fbdev, this option is off (0) by default. Not enabling fbdev at load time makes it possible to co-operate with vga16fb and vga text mode when VT switching. However, if 3D resources are active when VT switching, we're currently not able to switch over to vga, due to device limitations. This fixes a bug where we previously lost 3D state during VT switch. Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 102 +++++++++++++++++++++++++++---- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 7 +++ drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 3 + drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 12 ++++ drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 4 ++ 5 files changed, 115 insertions(+), 13 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 292aeba385e0..23e29f3a0c33 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -149,12 +149,16 @@ static struct pci_device_id vmw_pci_id_list[] = { }; static char *vmw_devname = "vmwgfx"; +static int enable_fbdev; static int vmw_probe(struct pci_dev *, const struct pci_device_id *); static void vmw_master_init(struct vmw_master *); static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, void *ptr); +MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev"); +module_param_named(enable_fbdev, enable_fbdev, int, 0600); + static void vmw_print_capabilities(uint32_t capabilities) { DRM_INFO("Capabilities:\n"); @@ -192,8 +196,6 @@ 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"); @@ -206,10 +208,36 @@ static int vmw_request_device(struct vmw_private *dev_priv) static void vmw_release_device(struct vmw_private *dev_priv) { vmw_fifo_release(dev_priv, &dev_priv->fifo); - vmw_kms_restore_vga(dev_priv); +} + +int vmw_3d_resource_inc(struct vmw_private *dev_priv) +{ + int ret = 0; + + mutex_lock(&dev_priv->release_mutex); + if (unlikely(dev_priv->num_3d_resources++ == 0)) { + ret = vmw_request_device(dev_priv); + if (unlikely(ret != 0)) + --dev_priv->num_3d_resources; + } + mutex_unlock(&dev_priv->release_mutex); + return ret; } +void vmw_3d_resource_dec(struct vmw_private *dev_priv) +{ + int32_t n3d; + + mutex_lock(&dev_priv->release_mutex); + if (unlikely(--dev_priv->num_3d_resources == 0)) + vmw_release_device(dev_priv); + n3d = (int32_t) dev_priv->num_3d_resources; + mutex_unlock(&dev_priv->release_mutex); + + BUG_ON(n3d < 0); +} + static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) { struct vmw_private *dev_priv; @@ -228,6 +256,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->last_read_sequence = (uint32_t) -100; mutex_init(&dev_priv->hw_mutex); mutex_init(&dev_priv->cmdbuf_mutex); + mutex_init(&dev_priv->release_mutex); rwlock_init(&dev_priv->resource_lock); idr_init(&dev_priv->context_idr); idr_init(&dev_priv->surface_idr); @@ -244,6 +273,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->vram_start = pci_resource_start(dev->pdev, 1); dev_priv->mmio_start = pci_resource_start(dev->pdev, 2); + dev_priv->enable_fb = enable_fbdev; + mutex_lock(&dev_priv->hw_mutex); vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2); @@ -369,20 +400,34 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) goto out_no_device; } } - 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); + if (dev_priv->enable_fb) { + ret = vmw_3d_resource_inc(dev_priv); + if (unlikely(ret != 0)) + goto out_no_fifo; + vmw_kms_save_vga(dev_priv); + vmw_fb_init(dev_priv); + DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? + "Detected device 3D availability.\n" : + "Detected no device 3D availability.\n"); + } else { + DRM_INFO("Delayed 3D detection since we're not " + "running the device in SVGA mode yet.\n"); + } dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier; register_pm_notifier(&dev_priv->pm_nb); - DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? "Have 3D\n" : "No 3D\n"); - return 0; +out_no_fifo: + vmw_overlay_close(dev_priv); + vmw_kms_close(dev_priv); + if (dev_priv->stealth) + pci_release_region(dev->pdev, 2); + else + pci_release_regions(dev->pdev); out_no_device: if (dev_priv->capabilities & SVGA_CAP_IRQMASK) drm_irq_uninstall(dev_priv->dev); @@ -415,10 +460,13 @@ static int vmw_driver_unload(struct drm_device *dev) unregister_pm_notifier(&dev_priv->pm_nb); - vmw_fb_close(dev_priv); + if (dev_priv->enable_fb) { + vmw_fb_close(dev_priv); + vmw_kms_restore_vga(dev_priv); + vmw_3d_resource_dec(dev_priv); + } vmw_kms_close(dev_priv); vmw_overlay_close(dev_priv); - vmw_release_device(dev_priv); if (dev_priv->stealth) pci_release_region(dev->pdev, 2); else @@ -589,6 +637,16 @@ static int vmw_master_set(struct drm_device *dev, struct vmw_master *vmaster = vmw_master(file_priv->master); int ret = 0; + if (!dev_priv->enable_fb) { + ret = vmw_3d_resource_inc(dev_priv); + if (unlikely(ret != 0)) + return ret; + vmw_kms_save_vga(dev_priv); + mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_TRACES, 0); + mutex_unlock(&dev_priv->hw_mutex); + } + if (active) { BUG_ON(active != &dev_priv->fbdev_master); ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile); @@ -617,7 +675,13 @@ static int vmw_master_set(struct drm_device *dev, return 0; out_no_active_lock: - vmw_release_device(dev_priv); + if (!dev_priv->enable_fb) { + mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_TRACES, 1); + mutex_unlock(&dev_priv->hw_mutex); + vmw_kms_restore_vga(dev_priv); + vmw_3d_resource_dec(dev_priv); + } return ret; } @@ -645,11 +709,23 @@ static void vmw_master_drop(struct drm_device *dev, ttm_lock_set_kill(&vmaster->lock, true, SIGTERM); + if (!dev_priv->enable_fb) { + 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"); + mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_TRACES, 1); + mutex_unlock(&dev_priv->hw_mutex); + vmw_kms_restore_vga(dev_priv); + vmw_3d_resource_dec(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); - vmw_fb_on(dev_priv); + if (dev_priv->enable_fb) + vmw_fb_on(dev_priv); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 429f917b60bf..9142454cc91e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -277,6 +277,7 @@ struct vmw_private { bool stealth; bool is_opened; + bool enable_fb; /** * Master management. @@ -285,6 +286,9 @@ struct vmw_private { struct vmw_master *active_master; struct vmw_master fbdev_master; struct notifier_block pm_nb; + + struct mutex release_mutex; + uint32_t num_3d_resources; }; static inline struct vmw_private *vmw_priv(struct drm_device *dev) @@ -319,6 +323,9 @@ static inline uint32_t vmw_read(struct vmw_private *dev_priv, return val; } +int vmw_3d_resource_inc(struct vmw_private *dev_priv); +void vmw_3d_resource_dec(struct vmw_private *dev_priv); + /** * GMR utilities - vmwgfx_gmr.c */ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index e6a1eb7ea954..0fe31766e4cf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -106,6 +106,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) mutex_lock(&dev_priv->hw_mutex); dev_priv->enable_state = vmw_read(dev_priv, SVGA_REG_ENABLE); dev_priv->config_done_state = vmw_read(dev_priv, SVGA_REG_CONFIG_DONE); + dev_priv->traces_state = vmw_read(dev_priv, SVGA_REG_TRACES); vmw_write(dev_priv, SVGA_REG_ENABLE, 1); min = 4; @@ -175,6 +176,8 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) dev_priv->config_done_state); vmw_write(dev_priv, SVGA_REG_ENABLE, dev_priv->enable_state); + vmw_write(dev_priv, SVGA_REG_TRACES, + dev_priv->traces_state); mutex_unlock(&dev_priv->hw_mutex); vmw_fence_queue_takedown(&fifo->fence_queue); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 64d7f47df868..1636e9ba81a1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -898,7 +898,19 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv) save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); + if (i == 0 && vmw_priv->num_displays == 1 && + save->width == 0 && save->height == 0) { + + /* + * It should be fairly safe to assume that these + * values are uninitialized. + */ + + save->width = vmw_priv->vga_width - save->pos_x; + save->height = vmw_priv->vga_height - save->pos_y; + } } + return 0; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 5f2d5df01e5c..c8c40e9979db 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -211,6 +211,7 @@ static void vmw_hw_context_destroy(struct vmw_resource *res) cmd->body.cid = cpu_to_le32(res->id); vmw_fifo_commit(dev_priv, sizeof(*cmd)); + vmw_3d_resource_dec(dev_priv); } static int vmw_context_init(struct vmw_private *dev_priv, @@ -247,6 +248,7 @@ static int vmw_context_init(struct vmw_private *dev_priv, cmd->body.cid = cpu_to_le32(res->id); vmw_fifo_commit(dev_priv, sizeof(*cmd)); + (void) vmw_3d_resource_inc(dev_priv); vmw_resource_activate(res, vmw_hw_context_destroy); return 0; } @@ -406,6 +408,7 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res) cmd->body.sid = cpu_to_le32(res->id); vmw_fifo_commit(dev_priv, sizeof(*cmd)); + vmw_3d_resource_dec(dev_priv); } void vmw_surface_res_free(struct vmw_resource *res) @@ -473,6 +476,7 @@ int vmw_surface_init(struct vmw_private *dev_priv, } vmw_fifo_commit(dev_priv, submit_size); + (void) vmw_3d_resource_inc(dev_priv); vmw_resource_activate(res, vmw_hw_surface_destroy); return 0; } -- cgit v1.2.3 From 7a1c2f6c8d8485af5ac6c2a313f6a7162207a4af Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Fri, 1 Oct 2010 10:21:49 +0200 Subject: vmwgfx: Enable use of the vblank system This is to avoid accessing uninitialized data during drm_irq_uninstall and vblank ioctls. At the same time, enable error check from drm_kms_init which previously appeared to ignore all errors. Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 47 ++++++++++++++++++++----------------- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1 + drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 5 ++++ drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 27 +++++++++++++-------- 4 files changed, 49 insertions(+), 31 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 23e29f3a0c33..6bbe703e7d97 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -374,17 +374,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) 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) { @@ -400,7 +389,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) goto out_no_device; } } - vmw_kms_init(dev_priv); + ret = vmw_kms_init(dev_priv); + if (unlikely(ret != 0)) + goto out_no_kms; vmw_overlay_init(dev_priv); if (dev_priv->enable_fb) { ret = vmw_3d_resource_inc(dev_priv); @@ -416,24 +407,37 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) "running the device in SVGA mode yet.\n"); } + 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; + } + } + dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier; register_pm_notifier(&dev_priv->pm_nb); return 0; +out_no_irq: + if (dev_priv->enable_fb) { + vmw_fb_close(dev_priv); + vmw_kms_restore_vga(dev_priv); + vmw_3d_resource_dec(dev_priv); + } out_no_fifo: vmw_overlay_close(dev_priv); vmw_kms_close(dev_priv); +out_no_kms: if (dev_priv->stealth) pci_release_region(dev->pdev, 2); else pci_release_regions(dev->pdev); 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); @@ -460,6 +464,10 @@ static int vmw_driver_unload(struct drm_device *dev) unregister_pm_notifier(&dev_priv->pm_nb); + if (dev_priv->capabilities & SVGA_CAP_IRQMASK) + drm_irq_uninstall(dev_priv->dev); + if (dev->devname == vmw_devname) + dev->devname = NULL; if (dev_priv->enable_fb) { vmw_fb_close(dev_priv); vmw_kms_restore_vga(dev_priv); @@ -472,10 +480,6 @@ static int vmw_driver_unload(struct drm_device *dev) else pci_release_regions(dev->pdev); - 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, @@ -798,6 +802,7 @@ static struct drm_driver driver = { .irq_postinstall = vmw_irq_postinstall, .irq_uninstall = vmw_irq_uninstall, .irq_handler = vmw_irq_handler, + .get_vblank_counter = vmw_get_vblank_counter, .reclaim_buffers_locked = NULL, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 9142454cc91e..58de6393f611 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -518,6 +518,7 @@ void vmw_kms_write_svga(struct vmw_private *vmw_priv, unsigned bbp, unsigned depth); int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); /** * Overlay control - vmwgfx_overlay.c diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 1636e9ba81a1..e882ba099f0c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -996,3 +996,8 @@ out_unlock: ttm_read_unlock(&vmaster->lock); return ret; } + +u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) +{ + return 0; +} diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index 7083b1a24df3..11cb39e3accb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -27,6 +27,8 @@ #include "vmwgfx_kms.h" +#define VMWGFX_LDU_NUM_DU 8 + #define vmw_crtc_to_ldu(x) \ container_of(x, struct vmw_legacy_display_unit, base.crtc) #define vmw_encoder_to_ldu(x) \ @@ -536,6 +538,10 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) { + struct drm_device *dev = dev_priv->dev; + int i; + int ret; + if (dev_priv->ldu_priv) { DRM_INFO("ldu system already on\n"); return -EINVAL; @@ -553,23 +559,24 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) drm_mode_create_dirty_info_property(dev_priv->dev); - vmw_ldu_init(dev_priv, 0); - /* for old hardware without multimon only enable one display */ if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { - vmw_ldu_init(dev_priv, 1); - vmw_ldu_init(dev_priv, 2); - vmw_ldu_init(dev_priv, 3); - vmw_ldu_init(dev_priv, 4); - vmw_ldu_init(dev_priv, 5); - vmw_ldu_init(dev_priv, 6); - vmw_ldu_init(dev_priv, 7); + for (i = 0; i < VMWGFX_LDU_NUM_DU; ++i) + vmw_ldu_init(dev_priv, i); + ret = drm_vblank_init(dev, VMWGFX_LDU_NUM_DU); + } else { + /* for old hardware without multimon only enable one display */ + vmw_ldu_init(dev_priv, 0); + ret = drm_vblank_init(dev, 1); } - return 0; + return ret; } int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) { + struct drm_device *dev = dev_priv->dev; + + drm_vblank_cleanup(dev); if (!dev_priv->ldu_priv) return -ENOSYS; -- cgit v1.2.3 From f1a28ee238bddfa48c5233543926af65a4445bf6 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Fri, 1 Oct 2010 10:21:50 +0200 Subject: vmwgfx: Remove initialisation of dev::devname The removed code causes oopses with newer drms on master drop. Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 6bbe703e7d97..a96ed6d9d010 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -148,7 +148,6 @@ static struct pci_device_id vmw_pci_id_list[] = { {0, 0, 0} }; -static char *vmw_devname = "vmwgfx"; static int enable_fbdev; static int vmw_probe(struct pci_dev *, const struct pci_device_id *); @@ -407,9 +406,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) "running the device in SVGA mode yet.\n"); } - if (!dev->devname) - dev->devname = vmw_devname; - if (dev_priv->capabilities & SVGA_CAP_IRQMASK) { ret = drm_irq_install(dev); if (unlikely(ret != 0)) { @@ -466,8 +462,6 @@ static int vmw_driver_unload(struct drm_device *dev) if (dev_priv->capabilities & SVGA_CAP_IRQMASK) drm_irq_uninstall(dev_priv->dev); - if (dev->devname == vmw_devname) - dev->devname = NULL; if (dev_priv->enable_fb) { vmw_fb_close(dev_priv); vmw_kms_restore_vga(dev_priv); -- cgit v1.2.3