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path: root/drivers/gpu/drm/mgag200/mgag200_fb.c
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Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_fb.c')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_fb.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 5c69b432f99..d2253f63948 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_crtc_helper.h>
#include <linux/fb.h>
@@ -120,9 +121,10 @@ static int mgag200fb_create_object(struct mga_fbdev *afbdev,
return ret;
}
-static int mgag200fb_create(struct mga_fbdev *mfbdev,
+static int mgag200fb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
+ struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper;
struct drm_device *dev = mfbdev->helper.dev;
struct drm_mode_fb_cmd2 mode_cmd;
struct mga_device *mdev = dev->dev_private;
@@ -209,23 +211,6 @@ out:
return ret;
}
-static int mga_fb_find_or_create_single(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size
- *sizes)
-{
- struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper;
- int new_fb = 0;
- int ret;
-
- if (!helper->fb) {
- ret = mgag200fb_create(mfbdev, sizes);
- if (ret)
- return ret;
- new_fb = 1;
- }
- return new_fb;
-}
-
static int mga_fbdev_destroy(struct drm_device *dev,
struct mga_fbdev *mfbdev)
{
@@ -256,7 +241,7 @@ static int mga_fbdev_destroy(struct drm_device *dev,
static struct drm_fb_helper_funcs mga_fb_helper_funcs = {
.gamma_set = mga_crtc_fb_gamma_set,
.gamma_get = mga_crtc_fb_gamma_get,
- .fb_probe = mga_fb_find_or_create_single,
+ .fb_probe = mgag200fb_create,
};
int mgag200_fbdev_init(struct mga_device *mdev)
@@ -278,6 +263,10 @@ int mgag200_fbdev_init(struct mga_device *mdev)
return ret;
}
drm_fb_helper_single_add_all_connectors(&mfbdev->helper);
+
+ /* disable all the possible outputs/crtcs before entering KMS mode */
+ drm_helper_disable_unused_functions(mdev->dev);
+
drm_fb_helper_initial_config(&mfbdev->helper, 32);
return 0;