[PATCH 11/12] drm/ast: Fix test for VGA enabled
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2017-02-23 22:53:56
Also in:
dri-devel
Subsystem:
drm driver for ast server graphics chips, drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
Dave Airlie, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
From: "Y.C. Chen" <redacted> (Get better description from Aspeed) Signed-off-by: Y.C. Chen <redacted> Signed-off-by: Benjamin Herrenschmidt <benh@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