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path: root/drivers/gpu/drm/drm_simple_kms_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_simple_kms_helper.c')
-rw-r--r--drivers/gpu/drm/drm_simple_kms_helper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index bada17166512..447631018426 100644
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -34,6 +34,12 @@ static const struct drm_encoder_funcs drm_simple_kms_encoder_funcs = {
.destroy = drm_encoder_cleanup,
};
+static int drm_simple_kms_crtc_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ return drm_atomic_add_affected_planes(state->state, crtc);
+}
+
static void drm_simple_kms_crtc_enable(struct drm_crtc *crtc)
{
struct drm_simple_display_pipe *pipe;
@@ -57,6 +63,7 @@ static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc)
}
static const struct drm_crtc_helper_funcs drm_simple_kms_crtc_helper_funcs = {
+ .atomic_check = drm_simple_kms_crtc_check,
.disable = drm_simple_kms_crtc_disable,
.enable = drm_simple_kms_crtc_enable,
};