From: Ville Syrjälä Date: Mon, 8 Jul 2019 12:53:08 +0000 (+0300) Subject: drm/atomic-helper: Make crtc helper funcs optional X-Git-Tag: v5.5-rc1~128^2~31^2~79 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=26564be56d73539097981c5178b64168dda75b26;p=linux.git drm/atomic-helper: Make crtc helper funcs optional Allow drivers to call drm_atomic_helper_check_modeset() without having the crtc helper funcs specified. i915 doesn't need those anymore. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20190708125325.16576-3-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy Reviewed-by: Juha-Pekka Heikkila --- diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 9d7e4da6c292..e41db0f202ca 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -471,7 +471,7 @@ mode_fixup(struct drm_atomic_state *state) continue; funcs = crtc->helper_private; - if (!funcs->mode_fixup) + if (!funcs || !funcs->mode_fixup) continue; ret = funcs->mode_fixup(crtc, &new_crtc_state->mode,