From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: [PATCH 11/12] drm/ast: Fix test for VGA enabled Date: Fri, 24 Feb 2017 09:53:56 +1100 Message-ID: <20170223225357.9572-11-benh@kernel.crashing.org> References: <20170223225357.9572-1-benh@kernel.crashing.org> Return-path: In-Reply-To: <20170223225357.9572-1-benh@kernel.crashing.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: dri-devel@lists.freedesktop.org Cc: linuxppc-dev@ozlabs.org, airlied@redhat.com, "Y . C . Chen" , eich@suse.come List-Id: dri-devel@lists.freedesktop.org From: "Y.C. Chen" (Get better description from Aspeed) Signed-off-by: Y.C. Chen Signed-off-by: Benjamin Herrenschmidt --- 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