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authorInki Dae <inki.dae@samsung.com>2012-02-15 06:25:19 +0400
committerDave Airlie <airlied@redhat.com>2012-02-16 13:40:47 +0400
commitd081f5660422270856b77bcbbaa312138f556c9e (patch)
tree1e60867d6c87e9c74369b47a3db1de755f810d2d /drivers/gpu/drm/exynos/exynos_drm_encoder.c
parent6f811502a473a32a9b892fb35d77b8f91dc7484c (diff)
downloadlinux-d081f5660422270856b77bcbbaa312138f556c9e.tar.xz
drm/exynos: added possible_clones setup function.
basically, all crtcs are possible to clone each other. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_encoder.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 86b93dde219a..ef4754f1519b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -195,6 +195,40 @@ static struct drm_encoder_funcs exynos_encoder_funcs = {
.destroy = exynos_drm_encoder_destroy,
};
+static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)
+{
+ struct drm_encoder *clone;
+ struct drm_device *dev = encoder->dev;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display_ops *display_ops =
+ exynos_encoder->manager->display_ops;
+ unsigned int clone_mask = 0;
+ int cnt = 0;
+
+ list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {
+ switch (display_ops->type) {
+ case EXYNOS_DISPLAY_TYPE_LCD:
+ case EXYNOS_DISPLAY_TYPE_HDMI:
+ clone_mask |= (1 << (cnt++));
+ break;
+ default:
+ continue;
+ }
+ }
+
+ return clone_mask;
+}
+
+void exynos_drm_encoder_setup(struct drm_device *dev)
+{
+ struct drm_encoder *encoder;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
+ encoder->possible_clones = exynos_drm_encoder_clones(encoder);
+}
+
struct drm_encoder *
exynos_drm_encoder_create(struct drm_device *dev,
struct exynos_drm_manager *manager,