#include "ast_drv.h"
+static int ast_init_pci_config(struct pci_dev *pdev)
+{
+ int err;
+ u16 pcis04;
+
+ err = pci_read_config_word(pdev, PCI_COMMAND, &pcis04);
+ if (err)
+ goto out;
+
+ pcis04 |= PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
+
+ err = pci_write_config_word(pdev, PCI_COMMAND, pcis04);
+
+out:
+ return pcibios_err_to_errno(err);
+}
+
static void ast_detect_config_mode(struct drm_device *dev, u32 *scu_rev)
{
struct device_node *np = dev->dev->of_node;
return ERR_PTR(-EIO);
}
+ ret = ast_init_pci_config(pdev);
+ if (ret)
+ return ERR_PTR(ret);
+
if (!ast_is_vga_enabled(dev)) {
drm_info(dev, "VGA not enabled on entry, requesting chip POST\n");
need_post = true;
void ast_post_gpu(struct drm_device *dev)
{
struct ast_device *ast = to_ast_device(dev);
- struct pci_dev *pdev = to_pci_dev(dev->dev);
- u32 reg;
-
- pci_read_config_dword(pdev, 0x04, ®);
- reg |= 0x3;
- pci_write_config_dword(pdev, 0x04, reg);
ast_enable_vga(dev);
ast_open_key(ast);