From 7cdeb37c66e9b48fce8be9373bf5c96f2dd76c75 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Thu, 14 Dec 2017 21:30:50 +0100 Subject: [PATCH] drm/edid: kerneldoc for is_hdmi2_sink MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Also some breadcrumbs for how exactly to find this. Probably should pass drm_connector * or at least drm_display_info * to that function instead. But drm_hdmi_avi_infoframe_quant_range probably also wants drm_connector_state (and the hdmi stuff moved into that), so this is a bit more work. v2: Fix typo (Alex). Cc: Ville Syrjälä Fixes: 9271c0ca573e ("drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks") Acked-by: Alex Deucher Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20171214203054.20141-2-daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_edid.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 365901c..ddd5379 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4871,6 +4871,11 @@ EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode); * @mode: DRM display mode * @rgb_quant_range: RGB quantization range (Q) * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS) + * @is_hdmi2_sink: HDMI 2.0 sink, which has different default recommendations + * + * Note that @is_hdmi2_sink can be derived by looking at the + * &drm_scdc.supported flag stored in &drm_hdmi_info.scdc, + * &drm_display_info.hdmi, which can be found in &drm_connector.display_info. */ void drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, -- 2.7.4