From 206645910b9796bff13fcdb67bdca166b724ba62 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 5 Nov 2014 14:26:09 -0800 Subject: [PATCH] drm/i915: check for audio and infoframe changes across mode sets v2 If these change (e.g. after a modeset following a fastboot), we need to do a full mode set. v2: - put under pipe_config check so we don't deref a null state (Jesse) Signed-off-by: Jesse Barnes Reviewed-by: Ander Conselvan de Oliveira Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8b5efe6..e9b579f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11325,8 +11325,18 @@ static int intel_crtc_set_config(struct drm_mode_set *set) &modeset_pipes, &prepare_pipes, &disable_pipes); - if (IS_ERR(pipe_config)) + if (IS_ERR(pipe_config)) { goto fail; + } else if (pipe_config) { + if (to_intel_crtc(set->crtc)->new_config->has_audio != + to_intel_crtc(set->crtc)->config.has_audio) + config->mode_changed = true; + + /* Force mode sets for any infoframe stuff */ + if (to_intel_crtc(set->crtc)->new_config->has_infoframe || + to_intel_crtc(set->crtc)->config.has_infoframe) + config->mode_changed = true; + } /* set_mode will free it in the mode_changed case */ if (!config->mode_changed) -- 2.7.4