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Subject[PATCH 3.18 098/145] drm/ast: Call open_key before enable_mmio in POST code
Date
3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Y.C. Chen <yc_chen@aspeedtech.com>

commit 9bb92f51558f2ef5f56c257bdcea0588f31d857e upstream.

open_key enables access the registers used by enable_mmio

Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Tested-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/ast/ast_post.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/ast/ast_post.c
+++ b/drivers/gpu/drm/ast/ast_post.c
@@ -371,8 +371,8 @@ 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_enable_mmio(dev);
ast_set_def_ext_reg(dev);

if (ast->chip == AST2300 || ast->chip == AST2400)

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