diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_post.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_post.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c index 38d437f3a267..810c51d92b99 100644 --- a/drivers/gpu/drm/ast/ast_post.c +++ b/drivers/gpu/drm/ast/ast_post.c @@ -33,18 +33,23 @@ static void ast_init_dram_2300(struct drm_device *dev); -static void -ast_enable_vga(struct drm_device *dev) +void ast_enable_vga(struct drm_device *dev) +{ + struct ast_private *ast = dev->dev_private; + + ast_io_write8(ast, AST_IO_VGA_ENABLE_PORT, 0x01); + ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, 0x01); +} + +void ast_enable_mmio(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; - ast_io_write8(ast, 0x43, 0x01); - ast_io_write8(ast, 0x42, 0x01); + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04); } -#if 0 /* will use later */ -static bool -ast_is_vga_enabled(struct drm_device *dev) + +bool ast_is_vga_enabled(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; u8 ch; @@ -52,7 +57,7 @@ ast_is_vga_enabled(struct drm_device *dev) if (ast->chip == AST1180) { /* TODO 1180 */ } else { - ch = ast_io_read8(ast, 0x43); + ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT); if (ch) { ast_open_key(ast); ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff); @@ -61,7 +66,6 @@ ast_is_vga_enabled(struct drm_device *dev) } return 0; } -#endif static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff }; static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff }; @@ -371,6 +375,7 @@ void ast_post_gpu(struct drm_device *dev) pci_write_config_dword(ast->dev->pdev, 0x04, reg); ast_enable_vga(dev); + ast_enable_mmio(dev); ast_open_key(ast); ast_set_def_ext_reg(dev); |