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Commit ff846ab7 authored by Maarten Maathuis's avatar Maarten Maathuis Committed by Dave Airlie
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drm/crtc_helper: NULL encoder->crtc when switching encoders 



- Previously the old encoder would be called during modeset and without a connector bad things happened.

Signed-off-by: default avatarMaarten Maathuis <madman2003@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent f380ef86

drivers/gpu/drm/drm_crtc_helper.c

+4 −0
Original line number Diff line number Diff line
@@ -823,6 +823,10 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) 
		if (new_encoder != connector->encoder) {

			DRM_DEBUG_KMS("encoder changed, full mode switch\n");

			mode_changed = true;

			/* If the encoder is reused for another connector, then

			 * the appropriate crtc will be set later.

			 */

			connector->encoder->crtc = NULL;

			connector->encoder = new_encoder;

		}

	}