leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/vc4: hdmi: Signal the proper colorimetry info in the infoframe

Browse Source 
Our driver while supporting HDR didn't send the proper colorimetry info
in the AVI infoframe.

Let's add the property needed so that the userspace can let us know what
the colorspace is supposed to be.

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210430094451.2145002-5-maxime@cerno.tech
This commit is contained in:
Maxime Ripard 2021-04-30 11:44:51 +02:00
parent 21f79128e0
commit 76a262d274
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/vc4/vc4_hdmi.c
View File

@ -226,7 +226,8 @@ static int vc4_hdmi_connector_atomic_check(struct drm_connector *connector,
if (!crtc)
return 0;
if (!drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) {
if (old_state->colorspace != new_state->colorspace ||
!drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) {
struct drm_crtc_state *crtc_state;
crtc_state = drm_atomic_get_crtc_state(state, crtc);
@ -316,6 +317,11 @@ static int vc4_hdmi_connector_init(struct drm_device *dev,
if (ret)
return ret;
ret = drm_mode_create_hdmi_colorspace_property(connector);
if (ret)
return ret;
drm_connector_attach_colorspace_property(connector);
drm_connector_attach_tv_margin_properties(connector);
drm_connector_attach_max_bpc_property(connector, 8, 12);
@ -424,7 +430,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
vc4_encoder->limited_rgb_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL);
drm_hdmi_avi_infoframe_colorspace(&frame.avi, cstate);
drm_hdmi_avi_infoframe_bars(&frame.avi, cstate);
vc4_hdmi_write_infoframe(encoder, &frame);