diff options
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 36 |
2 files changed, 43 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 049ea3b8229b..ab9a1750e1df 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -942,6 +942,15 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) dev_priv->texture_max_height = 8192; dev_priv->max_primary_mem = dev_priv->vram_size; } + drm_info(&dev_priv->drm, + "Legacy memory limits: VRAM = %llu kB, FIFO = %llu kB, surface = %u kB\n", + (u64)dev_priv->vram_size / 1024, + (u64)dev_priv->fifo_mem_size / 1024, + dev_priv->memory_size / 1024); + + drm_info(&dev_priv->drm, + "MOB limits: max mob size = %u kB, max mob pages = %u\n", + dev_priv->max_mob_size / 1024, dev_priv->max_mob_pages); vmw_print_bitmap(&dev_priv->drm, "Capabilities", dev_priv->capabilities, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index 28ceb749a733..b2c4af331c9d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -71,8 +71,40 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man, if (gman->max_gmr_pages > 0) { gman->used_gmr_pages += (*res)->num_pages; - if (unlikely(gman->used_gmr_pages > gman->max_gmr_pages)) - goto nospace; + /* + * Because the graphics memory is a soft limit we can try to + * expand it instead of letting the userspace apps crash. + * We're just going to have a sane limit (half of RAM) + * on the number of MOB's that we create and will try to keep + * the system running until we reach that. + */ + if (unlikely(gman->used_gmr_pages > gman->max_gmr_pages)) { + const unsigned long max_graphics_pages = totalram_pages() / 2; + uint32_t new_max_pages = 0; + + DRM_WARN("vmwgfx: mob memory overflow. Consider increasing guest RAM and graphicsMemory.\n"); + vmw_host_printf("vmwgfx, warning: mob memory overflow. Consider increasing guest RAM and graphicsMemory.\n"); + + if (gman->max_gmr_pages > (max_graphics_pages / 2)) { + DRM_WARN("vmwgfx: guest requires more than half of RAM for graphics.\n"); + new_max_pages = max_graphics_pages; + } else + new_max_pages = gman->max_gmr_pages * 2; + if (new_max_pages > gman->max_gmr_pages && new_max_pages >= gman->used_gmr_pages) { + DRM_WARN("vmwgfx: increasing guest mob limits to %u kB.\n", + ((new_max_pages) << (PAGE_SHIFT - 10))); + + gman->max_gmr_pages = new_max_pages; + } else { + char buf[256]; + snprintf(buf, sizeof(buf), + "vmwgfx, error: guest graphics is out of memory (mob limit at: %ukB).\n", + ((gman->max_gmr_pages) << (PAGE_SHIFT - 10))); + vmw_host_printf(buf); + DRM_WARN("%s", buf); + goto nospace; + } + } } (*res)->start = id; |