Replace arch_phys_wc_add() and arch_io_reserve_memtype_wc() with the rsp managed functions. Allows for removing the cleanup code for memory management
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/ast/ast_drv.h | 2 -- drivers/gpu/drm/ast/ast_mm.c | 27 ++++++++++----------------- 2 files changed, 10 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 39ca338eb80b..2cfce7dc95af 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -158,8 +158,6 @@ struct ast_private { uint32_t dram_type; uint32_t mclk;
- int fb_mtrr; - struct drm_plane primary_plane; struct ast_cursor_plane cursor_plane; struct drm_crtc crtc; diff --git a/drivers/gpu/drm/ast/ast_mm.c b/drivers/gpu/drm/ast/ast_mm.c index 7592f1b9e1f1..6e999408dda9 100644 --- a/drivers/gpu/drm/ast/ast_mm.c +++ b/drivers/gpu/drm/ast/ast_mm.c @@ -74,35 +74,28 @@ static u32 ast_get_vram_size(struct ast_private *ast) return vram_size; }
-static void ast_mm_release(struct drm_device *dev, void *ptr) -{ - struct ast_private *ast = to_ast_private(dev); - struct pci_dev *pdev = to_pci_dev(dev->dev); - - arch_phys_wc_del(ast->fb_mtrr); - arch_io_free_memtype_wc(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); -} - int ast_mm_init(struct ast_private *ast) { struct drm_device *dev = &ast->base; struct pci_dev *pdev = to_pci_dev(dev->dev); + resource_size_t base, size; u32 vram_size; int ret;
+ base = pci_resource_start(pdev, 0); + size = pci_resource_len(pdev, 0); + + /* Don't fail on errors, but performance might be reduced. */ + devm_arch_io_reserve_memtype_wc(dev->dev, base, size); + devm_arch_phys_wc_add(dev->dev, base, size); + vram_size = ast_get_vram_size(ast);
- ret = drmm_vram_helper_init(dev, pci_resource_start(pdev, 0), vram_size); + ret = drmm_vram_helper_init(dev, base, vram_size); if (ret) { drm_err(dev, "Error initializing VRAM MM; %d\n", ret); return ret; }
- arch_io_reserve_memtype_wc(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - ast->fb_mtrr = arch_phys_wc_add(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - - return drmm_add_action_or_reset(dev, ast_mm_release, NULL); + return 0; }