From: "Y.C. Chen" <yc_c...@aspeedtech.com>
(Get better description from Aspeed)
Signed-off-by: Y.C. Chen <yc_c...@aspeedtech.com>
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
drivers/gpu/drm/ast/ast_post.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c
index c15f643..a5a7809 100644
--- a/drivers/gpu/drm/ast/ast_post.c
+++ b/drivers/gpu/drm/ast/ast_post.c
@@ -59,13 +59,9 @@ bool ast_is_vga_enabled(struct drm_device *dev)
/* TODO 1180 */
} else {
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);
- return ch & 0x04;
- }
+ return !!(ch & 0x01);
}
- return 0;
+ return false;
}
static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
--
2.9.3
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