[1/2] drm/ast: open key before detect chips

Commit Message

Y.C. Chen Sept. 10, 2014, 4:07 a.m. UTC

From: "Y.C. Chen" <[e-mail]>

Some config settings like 3rd TX chips will not get correctly
if the extended reg is protected

Signed-off-by: Y.C. Chen <[e-mail]>
---
 drivers/gpu/drm/ast/ast_main.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index a2cc6be..b027e33 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -67,6 +67,7 @@  static int ast_detect_chip(struct drm_device *dev)
 {
 	struct ast_private *ast = dev->dev_private;
 	uint32_t data, jreg;
+	ast_open_key(ast);
 
 	if (dev->pdev->device == PCI_CHIP_AST1180) {
 		ast->chip = AST1100;