From 0df10823743311f31a067c26e2a3c6fa6dc867e9 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Tue, 11 Feb 2020 18:22:07 +0200 Subject: drm: Validate encoder->possible_crtcs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit WARN if the encoder possible_crtcs is effectively empty or contains bits for non-existing crtcs. v2: Move to drm_mode_config_validate() (Daniel) Make the docs say we WARN when this is wrong (Daniel) Extract full_crtc_mask() Cc: Thomas Zimmermann Cc: Daniel Vetter Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200211162208.16224-7-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter --- include/drm/drm_encoder.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/drm') diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h index 9d11cbe22f34..a60f5f1555ac 100644 --- a/include/drm/drm_encoder.h +++ b/include/drm/drm_encoder.h @@ -142,7 +142,7 @@ struct drm_encoder { * the bits for all &drm_crtc objects this encoder can be connected to * before calling drm_dev_register(). * - * In reality almost every driver gets this wrong. + * You will get a WARN if you get this wrong in the driver. * * Note that since CRTC objects can't be hotplugged the assigned indices * are stable and hence known before registering all objects. -- cgit v1.2.3