diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 0ac3c2039c4b..79a361867955 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -97,9 +97,14 @@ static void ast_detect_config_mode(struct drm_device *dev, u32 *scu_rev) jregd0 = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); jregd1 = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); if (!(jregd0 & 0x80) || !(jregd1 & 0x10)) { + /* Patch AST2500 */ + if (((pdev->revision & 0xF0) == 0x40) + && ((jregd0 & AST_VRAM_INIT_STATUS_MASK) == 0)) + ast_patch_ahb_2500(ast); + /* Double check it's actually working */ data = ast_read32(ast, 0xf004); - if (data != 0xFFFFFFFF) { + if ((data != 0xFFFFFFFF) && (data != 0x00)) { /* P2A works, grab silicon revision */ ast->config_mode = ast_use_p2a; @@ -413,7 +418,7 @@ struct ast_private *ast_device_create(const struct drm_driver *drv, pci_set_drvdata(pdev, dev); - ast->regs = pci_iomap(pdev, 1, 0); + ast->regs = pcim_iomap(pdev, 1, 0); if (!ast->regs) return ERR_PTR(-EIO); @@ -429,7 +434,7 @@ struct ast_private *ast_device_create(const struct drm_driver *drv, /* "map" IO regs if the above hasn't done so already */ if (!ast->ioregs) { - ast->ioregs = pci_iomap(pdev, 2, 0); + ast->ioregs = pcim_iomap(pdev, 2, 0); if (!ast->ioregs) return ERR_PTR(-EIO); } @@ -450,6 +455,14 @@ struct ast_private *ast_device_create(const struct drm_driver *drv, if (ret) return ERR_PTR(ret); + /* map reserved buffer */ + ast->dp501_fw_buf = NULL; + if (dev->vram_mm->vram_size < pci_resource_len(pdev, 0)) { + ast->dp501_fw_buf = pci_iomap_range(pdev, 0, dev->vram_mm->vram_size, 0); + if (!ast->dp501_fw_buf) + drm_info(dev, "failed to map reserved buffer!\n"); + } + ret = ast_mode_config_init(ast); if (ret) return ERR_PTR(ret); |