diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/ast/ast_main.c')
-rw-r--r-- | kernel/drivers/gpu/drm/ast/ast_main.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/kernel/drivers/gpu/drm/ast/ast_main.c b/kernel/drivers/gpu/drm/ast/ast_main.c index 035dacc93..e0b4586a2 100644 --- a/kernel/drivers/gpu/drm/ast/ast_main.c +++ b/kernel/drivers/gpu/drm/ast/ast_main.c @@ -227,7 +227,7 @@ static int ast_get_dram_info(struct drm_device *dev) } while (ast_read32(ast, 0x10000) != 0x01); data = ast_read32(ast, 0x10004); - if (data & 0x400) + if (data & 0x40) ast->dram_bus_width = 16; else ast->dram_bus_width = 32; @@ -448,6 +448,7 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) dev->mode_config.min_height = 0; dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; + dev->mode_config.fb_base = pci_resource_start(ast->dev->pdev, 0); if (ast->chip == AST2100 || ast->chip == AST2200 || @@ -571,24 +572,18 @@ ast_dumb_mmap_offset(struct drm_file *file, uint64_t *offset) { struct drm_gem_object *obj; - int ret; struct ast_bo *bo; - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto out_unlock; - } + if (obj == NULL) + return -ENOENT; bo = gem_to_ast_bo(obj); *offset = ast_bo_mmap_offset(bo); - drm_gem_object_unreference(obj); - ret = 0; -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; + drm_gem_object_unreference_unlocked(obj); + + return 0; } |