diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 112 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 200 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 28 |
7 files changed, 315 insertions, 52 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 37e0b4fa482..6985cb1da72 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1854,7 +1854,8 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, } if (fb->funcs->dirty) { - ret = fb->funcs->dirty(fb, flags, r->color, clips, num_clips); + ret = fb->funcs->dirty(fb, file_priv, flags, r->color, + clips, num_clips); } else { ret = -ENOSYS; goto out_err2; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 5c845b6ec49..f2942b3c59c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -597,6 +597,8 @@ static void vmw_lastclose(struct drm_device *dev) static void vmw_master_init(struct vmw_master *vmaster) { ttm_lock_init(&vmaster->lock); + INIT_LIST_HEAD(&vmaster->fb_surf); + mutex_init(&vmaster->fb_surf_mutex); } static int vmw_master_create(struct drm_device *dev, @@ -608,7 +610,7 @@ static int vmw_master_create(struct drm_device *dev, if (unlikely(vmaster == NULL)) return -ENOMEM; - ttm_lock_init(&vmaster->lock); + vmw_master_init(vmaster); ttm_lock_set_kill(&vmaster->lock, true, SIGTERM); master->driver_priv = vmaster; @@ -699,6 +701,7 @@ static void vmw_master_drop(struct drm_device *dev, vmw_fp->locked_master = drm_master_get(file_priv->master); ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile); + vmw_kms_idle_workqueues(vmaster); if (unlikely((ret != 0))) { DRM_ERROR("Unable to lock TTM at VT switch.\n"); @@ -751,15 +754,16 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, * Buffer contents is moved to swappable memory. */ ttm_bo_swapout_all(&dev_priv->bdev); + break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: + case PM_POST_RESTORE: ttm_suspend_unlock(&vmaster->lock); + break; case PM_RESTORE_PREPARE: break; - case PM_POST_RESTORE: - break; default: break; } @@ -770,21 +774,98 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, * These might not be needed with the virtual SVGA device. */ -int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) { + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + if (dev_priv->num_3d_resources != 0) { + DRM_INFO("Can't suspend or hibernate " + "while 3D resources are active.\n"); + return -EBUSY; + } + pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; } -int vmw_pci_resume(struct pci_dev *pdev) +static int vmw_pci_resume(struct pci_dev *pdev) { pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); return pci_enable_device(pdev); } +static int vmw_pm_suspend(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct pm_message dummy; + + dummy.event = 0; + + return vmw_pci_suspend(pdev, dummy); +} + +static int vmw_pm_resume(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + + return vmw_pci_resume(pdev); +} + +static int vmw_pm_prepare(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Release 3d reference held by fbdev and potentially + * stop fifo. + */ + dev_priv->suspended = true; + if (dev_priv->enable_fb) + vmw_3d_resource_dec(dev_priv); + + if (dev_priv->num_3d_resources != 0) { + + DRM_INFO("Can't suspend or hibernate " + "while 3D resources are active.\n"); + + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + dev_priv->suspended = false; + return -EBUSY; + } + + return 0; +} + +static void vmw_pm_complete(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Reclaim 3d reference held by fbdev and potentially + * start fifo. + */ + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + + dev_priv->suspended = false; +} + +static const struct dev_pm_ops vmw_pm_ops = { + .prepare = vmw_pm_prepare, + .complete = vmw_pm_complete, + .suspend = vmw_pm_suspend, + .resume = vmw_pm_resume, +}; + static struct drm_driver driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_MODESET, @@ -818,15 +899,16 @@ static struct drm_driver driver = { #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, - .suspend = vmw_pci_suspend, - .resume = vmw_pci_resume - }, + .name = VMWGFX_DRIVER_NAME, + .id_table = vmw_pci_id_list, + .probe = vmw_probe, + .remove = vmw_remove, + .driver = { + .pm = &vmw_pm_ops + } + }, .name = VMWGFX_DRIVER_NAME, .desc = VMWGFX_DRIVER_DESC, .date = VMWGFX_DRIVER_DATE, @@ -860,3 +942,7 @@ 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"); +MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "." + __stringify(VMWGFX_DRIVER_MINOR) "." + __stringify(VMWGFX_DRIVER_PATCHLEVEL) "." + "0"); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 58de6393f61..9d55fa8cd0f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -39,9 +39,9 @@ #include "ttm/ttm_execbuf_util.h" #include "ttm/ttm_module.h" -#define VMWGFX_DRIVER_DATE "20100209" +#define VMWGFX_DRIVER_DATE "20100927" #define VMWGFX_DRIVER_MAJOR 1 -#define VMWGFX_DRIVER_MINOR 2 +#define VMWGFX_DRIVER_MINOR 4 #define VMWGFX_DRIVER_PATCHLEVEL 0 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) @@ -151,6 +151,8 @@ struct vmw_overlay; struct vmw_master { struct ttm_lock lock; + struct mutex fb_surf_mutex; + struct list_head fb_surf; }; struct vmw_vga_topology_state { @@ -286,6 +288,7 @@ struct vmw_private { struct vmw_master *active_master; struct vmw_master fbdev_master; struct notifier_block pm_nb; + bool suspended; struct mutex release_mutex; uint32_t num_3d_resources; @@ -518,6 +521,10 @@ 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); +void vmw_kms_idle_workqueues(struct vmw_master *vmaster); +bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, + uint32_t pitch, + uint32_t height); u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); /** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 409e172f4ab..b27a9f2887d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -144,6 +144,13 @@ static int vmw_fb_check_var(struct fb_var_screeninfo *var, return -EINVAL; } + if (!vmw_kms_validate_mode_vram(vmw_priv, + info->fix.line_length, + var->yoffset + var->yres)) { + DRM_ERROR("Requested geom can not fit in framebuffer\n"); + return -EINVAL; + } + return 0; } @@ -205,6 +212,9 @@ static void vmw_fb_dirty_flush(struct vmw_fb_par *par) SVGAFifoCmdUpdate body; } *cmd; + if (vmw_priv->suspended) + return; + spin_lock_irqsave(&par->dirty.lock, flags); if (!par->dirty.active) { spin_unlock_irqrestore(&par->dirty.lock, flags); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index 1c7a316454d..570d57775a5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -54,6 +54,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, case DRM_VMW_PARAM_FIFO_CAPS: param->value = dev_priv->fifo.capabilities; break; + case DRM_VMW_PARAM_MAX_FB_SIZE: + param->value = dev_priv->vram_size; + break; default: DRM_ERROR("Illegal vmwgfx get param request: %d\n", param->param); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index e882ba099f0..87c6e6156d7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -332,18 +332,55 @@ struct vmw_framebuffer_surface { struct delayed_work d_work; struct mutex work_lock; bool present_fs; + struct list_head head; + struct drm_master *master; }; +/** + * vmw_kms_idle_workqueues - Flush workqueues on this master + * + * @vmaster - Pointer identifying the master, for the surfaces of which + * we idle the dirty work queues. + * + * This function should be called with the ttm lock held in exclusive mode + * to idle all dirty work queues before the fifo is taken down. + * + * The work task may actually requeue itself, but after the flush returns we're + * sure that there's nothing to present, since the ttm lock is held in + * exclusive mode, so the fifo will never get used. + */ + +void vmw_kms_idle_workqueues(struct vmw_master *vmaster) +{ + struct vmw_framebuffer_surface *entry; + + mutex_lock(&vmaster->fb_surf_mutex); + list_for_each_entry(entry, &vmaster->fb_surf, head) { + if (cancel_delayed_work_sync(&entry->d_work)) + (void) entry->d_work.work.func(&entry->d_work.work); + + (void) cancel_delayed_work_sync(&entry->d_work); + } + mutex_unlock(&vmaster->fb_surf_mutex); +} + void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer) { - struct vmw_framebuffer_surface *vfb = + struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(framebuffer); + struct vmw_master *vmaster = vmw_master(vfbs->master); + - cancel_delayed_work_sync(&vfb->d_work); + mutex_lock(&vmaster->fb_surf_mutex); + list_del(&vfbs->head); + mutex_unlock(&vmaster->fb_surf_mutex); + + cancel_delayed_work_sync(&vfbs->d_work); + drm_master_put(&vfbs->master); drm_framebuffer_cleanup(framebuffer); - vmw_surface_unreference(&vfb->surface); + vmw_surface_unreference(&vfbs->surface); - kfree(framebuffer); + kfree(vfbs); } static void vmw_framebuffer_present_fs_callback(struct work_struct *work) @@ -362,6 +399,12 @@ static void vmw_framebuffer_present_fs_callback(struct work_struct *work) SVGA3dCopyRect cr; } *cmd; + /** + * Strictly we should take the ttm_lock in read mode before accessing + * the fifo, to make sure the fifo is present and up. However, + * instead we flush all workqueues under the ttm lock in exclusive mode + * before taking down the fifo. + */ mutex_lock(&vfbs->work_lock); if (!vfbs->present_fs) goto out_unlock; @@ -392,17 +435,20 @@ out_unlock: int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, + struct drm_file *file_priv, unsigned flags, unsigned color, struct drm_clip_rect *clips, unsigned num_clips) { struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); + struct vmw_master *vmaster = vmw_master(file_priv->master); struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(framebuffer); struct vmw_surface *surf = vfbs->surface; struct drm_clip_rect norect; SVGA3dCopyRect *cr; int i, inc = 1; + int ret; struct { SVGA3dCmdHeader header; @@ -410,6 +456,13 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, SVGA3dCopyRect cr; } *cmd; + if (unlikely(vfbs->master != file_priv->master)) + return -EINVAL; + + ret = ttm_read_lock(&vmaster->lock, true); + if (unlikely(ret != 0)) + return ret; + if (!num_clips || !(dev_priv->fifo.capabilities & SVGA_FIFO_CAP_SCREEN_OBJECT)) { @@ -425,6 +478,7 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, */ vmw_framebuffer_present_fs_callback(&vfbs->d_work.work); } + ttm_read_unlock(&vmaster->lock); return 0; } @@ -442,6 +496,7 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) + (num_clips - 1) * sizeof(cmd->cr)); if (unlikely(cmd == NULL)) { DRM_ERROR("Fifo reserve failed.\n"); + ttm_read_unlock(&vmaster->lock); return -ENOMEM; } @@ -461,7 +516,7 @@ int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, } vmw_fifo_commit(dev_priv, sizeof(*cmd) + (num_clips - 1) * sizeof(cmd->cr)); - + ttm_read_unlock(&vmaster->lock); return 0; } @@ -471,16 +526,57 @@ static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { .create_handle = vmw_framebuffer_create_handle, }; -int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, - struct vmw_surface *surface, - struct vmw_framebuffer **out, - unsigned width, unsigned height) +static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, + struct drm_file *file_priv, + struct vmw_surface *surface, + struct vmw_framebuffer **out, + const struct drm_mode_fb_cmd + *mode_cmd) { struct drm_device *dev = dev_priv->dev; struct vmw_framebuffer_surface *vfbs; + enum SVGA3dSurfaceFormat format; + struct vmw_master *vmaster = vmw_master(file_priv->master); int ret; + /* + * Sanity checks. + */ + + if (unlikely(surface->mip_levels[0] != 1 || + surface->num_sizes != 1 || + surface->sizes[0].width < mode_cmd->width || + surface->sizes[0].height < mode_cmd->height || + surface->sizes[0].depth != 1)) { + DRM_ERROR("Incompatible surface dimensions " + "for requested mode.\n"); + return -EINVAL; + } + + switch (mode_cmd->depth) { + case 32: + format = SVGA3D_A8R8G8B8; + break; + case 24: + format = SVGA3D_X8R8G8B8; + break; + case 16: + format = SVGA3D_R5G6B5; + break; + case 15: + format = SVGA3D_A1R5G5B5; + break; + default: + DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); + return -EINVAL; + } + + if (unlikely(format != surface->format)) { + DRM_ERROR("Invalid surface format for requested mode.\n"); + return -EINVAL; + } + vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); if (!vfbs) { ret = -ENOMEM; @@ -498,16 +594,22 @@ int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, } /* XXX get the first 3 from the surface info */ - vfbs->base.base.bits_per_pixel = 32; - vfbs->base.base.pitch = width * 32 / 4; - vfbs->base.base.depth = 24; - vfbs->base.base.width = width; - vfbs->base.base.height = height; + vfbs->base.base.bits_per_pixel = mode_cmd->bpp; + vfbs->base.base.pitch = mode_cmd->pitch; + vfbs->base.base.depth = mode_cmd->depth; + vfbs->base.base.width = mode_cmd->width; + vfbs->base.base.height = mode_cmd->height; vfbs->base.pin = &vmw_surface_dmabuf_pin; vfbs->base.unpin = &vmw_surface_dmabuf_unpin; vfbs->surface = surface; + vfbs->master = drm_master_get(file_priv->master); mutex_init(&vfbs->work_lock); + + mutex_lock(&vmaster->fb_surf_mutex); INIT_DELAYED_WORK(&vfbs->d_work, &vmw_framebuffer_present_fs_callback); + list_add_tail(&vfbs->head, &vmaster->fb_surf); + mutex_unlock(&vmaster->fb_surf_mutex); + *out = &vfbs->base; return 0; @@ -544,18 +646,25 @@ void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) } int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, + struct drm_file *file_priv, unsigned flags, unsigned color, struct drm_clip_rect *clips, unsigned num_clips) { struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); + struct vmw_master *vmaster = vmw_master(file_priv->master); struct drm_clip_rect norect; + int ret; struct { uint32_t header; SVGAFifoCmdUpdate body; } *cmd; int i, increment = 1; + ret = ttm_read_lock(&vmaster->lock, true); + if (unlikely(ret != 0)) + return ret; + if (!num_clips) { num_clips = 1; clips = &norect; @@ -570,6 +679,7 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips); if (unlikely(cmd == NULL)) { DRM_ERROR("Fifo reserve failed.\n"); + ttm_read_unlock(&vmaster->lock); return -ENOMEM; } @@ -582,6 +692,7 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, } vmw_fifo_commit(dev_priv, sizeof(*cmd) * num_clips); + ttm_read_unlock(&vmaster->lock); return 0; } @@ -659,16 +770,25 @@ static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) return vmw_dmabuf_from_vram(dev_priv, vfbd->buffer); } -int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, - struct vmw_dma_buffer *dmabuf, - struct vmw_framebuffer **out, - unsigned width, unsigned height) +static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, + struct vmw_dma_buffer *dmabuf, + struct vmw_framebuffer **out, + const struct drm_mode_fb_cmd + *mode_cmd) { struct drm_device *dev = dev_priv->dev; struct vmw_framebuffer_dmabuf *vfbd; + unsigned int requested_size; int ret; + requested_size = mode_cmd->height * mode_cmd->pitch; + if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { + DRM_ERROR("Screen buffer object size is too small " + "for requested mode.\n"); + return -EINVAL; + } + vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); if (!vfbd) { ret = -ENOMEM; @@ -685,12 +805,11 @@ int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, goto out_err3; } - /* XXX get the first 3 from the surface info */ - vfbd->base.base.bits_per_pixel = 32; - vfbd->base.base.pitch = width * vfbd->base.base.bits_per_pixel / 8; - vfbd->base.base.depth = 24; - vfbd->base.base.width = width; - vfbd->base.base.height = height; + vfbd->base.base.bits_per_pixel = mode_cmd->bpp; + vfbd->base.base.pitch = mode_cmd->pitch; + vfbd->base.base.depth = mode_cmd->depth; + vfbd->base.base.width = mode_cmd->width; + vfbd->base.base.height = mode_cmd->height; vfbd->base.pin = vmw_framebuffer_dmabuf_pin; vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; vfbd->buffer = dmabuf; @@ -719,8 +838,25 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, struct vmw_framebuffer *vfb = NULL; struct vmw_surface *surface = NULL; struct vmw_dma_buffer *bo = NULL; + u64 required_size; int ret; + /** + * This code should be conditioned on Screen Objects not being used. + * If screen objects are used, we can allocate a GMR to hold the + * requested framebuffer. + */ + + required_size = mode_cmd->pitch * mode_cmd->height; + if (unlikely(required_size > (u64) dev_priv->vram_size)) { + DRM_ERROR("VRAM size is too small for requested mode.\n"); + return NULL; + } + + /** + * End conditioned code. + */ + ret = vmw_user_surface_lookup_handle(dev_priv, tfile, mode_cmd->handle, &surface); if (ret) @@ -729,8 +865,8 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, if (!surface->scanout) goto err_not_scanout; - ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb, - mode_cmd->width, mode_cmd->height); + ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface, + &vfb, mode_cmd); /* vmw_user_surface_lookup takes one ref so does new_fb */ vmw_surface_unreference(&surface); @@ -751,7 +887,7 @@ try_dmabuf: } ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, - mode_cmd->width, mode_cmd->height); + mode_cmd); /* vmw_user_dmabuf_lookup takes one ref so does new_fb */ vmw_dmabuf_unreference(&bo); @@ -889,6 +1025,9 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv) vmw_priv->num_displays = vmw_read(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS); + if (vmw_priv->num_displays == 0) + vmw_priv->num_displays = 1; + for (i = 0; i < vmw_priv->num_displays; ++i) { save = &vmw_priv->vga_save[i]; vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); @@ -997,6 +1136,13 @@ out_unlock: return ret; } +bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, + uint32_t pitch, + uint32_t height) +{ + return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size; +} + 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 11cb39e3acc..a01c47ddb5b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -427,7 +427,9 @@ static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, { struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector); struct drm_device *dev = connector->dev; + struct vmw_private *dev_priv = vmw_priv(dev); struct drm_display_mode *mode = NULL; + struct drm_display_mode *bmode; struct drm_display_mode prefmode = { DRM_MODE("preferred", DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -443,22 +445,30 @@ static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, mode->hdisplay = ldu->pref_width; mode->vdisplay = ldu->pref_height; mode->vrefresh = drm_mode_vrefresh(mode); - drm_mode_probed_add(connector, mode); + if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, + mode->vdisplay)) { + drm_mode_probed_add(connector, mode); - if (ldu->pref_mode) { - list_del_init(&ldu->pref_mode->head); - drm_mode_destroy(dev, ldu->pref_mode); - } + if (ldu->pref_mode) { + list_del_init(&ldu->pref_mode->head); + drm_mode_destroy(dev, ldu->pref_mode); + } - ldu->pref_mode = mode; + ldu->pref_mode = mode; + } } for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { - if (vmw_ldu_connector_builtin[i].hdisplay > max_width || - vmw_ldu_connector_builtin[i].vdisplay > max_height) + bmode = &vmw_ldu_connector_builtin[i]; + if (bmode->hdisplay > max_width || + bmode->vdisplay > max_height) + continue; + + if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, + bmode->vdisplay)) continue; - mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); + mode = drm_mode_duplicate(dev, bmode); if (!mode) return 0; mode->vrefresh = drm_mode_vrefresh(mode); |