From: "Y.C. Chen" <yc_chen@xxxxxxxxxxxxxx>
Some config settings like 3rd TX chips will not get correctly
if the extended reg is protected
Signed-off-by: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/ast/ast_main.c | 1 +
1 file changed, 1 insertion(+)
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;
--
1.8.3.1
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