Op 02-11-18 om 16:41 schreef Ville Syrjälä: > On Fri, Nov 02, 2018 at 02:18:42PM +0000, Shankar, Uma wrote: >> >>> -----Original Message----- >>> From: Maarten Lankhorst [mailto:maarten.lankho...@linux.intel.com] >>> Sent: Friday, November 2, 2018 2:53 PM >>> To: Shankar, Uma <uma.shan...@intel.com>; dri-de...@lists.freedesktop.org; >>> intel-gfx@lists.freedesktop.org >>> Cc: Syrjala, Ville <ville.syrj...@intel.com>; a...@redhat.com; Lankhorst, >>> Maarten >>> <maarten.lankho...@intel.com> >>> Subject: Re: [Intel-gfx] [v2 2/2] drm/i915: Attach colorspace property and >>> enable >>> modeset >>> >>> Op 31-10-18 om 13:05 schreef Uma Shankar: >>>> This patch attaches the colorspace connector property to the hdmi >>>> connector. Based on colorspace change, modeset will be triggered to >>>> switch to new colorspace. >>>> >>>> Based on colorspace property value create an infoframe with >>>> appropriate colorspace. This can be used to send an infoframe packet >>>> with proper colorspace value set which will help to enable wider color >>>> gamut like BT2020 on sink. >>>> >>>> v2: Merged the changes of creating infoframe as well to this patch as >>>> per Maarten's suggestion. >>>> >>>> Signed-off-by: Uma Shankar <uma.shan...@intel.com> >>>> --- >>>> drivers/gpu/drm/i915/intel_atomic.c | 1 + >>>> drivers/gpu/drm/i915/intel_hdmi.c | 5 +++++ >>>> 2 files changed, 6 insertions(+) >>>> >>>> diff --git a/drivers/gpu/drm/i915/intel_atomic.c >>>> b/drivers/gpu/drm/i915/intel_atomic.c >>>> index a5a2c8f..35ef70a 100644 >>>> --- a/drivers/gpu/drm/i915/intel_atomic.c >>>> +++ b/drivers/gpu/drm/i915/intel_atomic.c >>>> @@ -125,6 +125,7 @@ int intel_digital_connector_atomic_check(struct >>> drm_connector *conn, >>>> */ >>>> if (new_conn_state->force_audio != old_conn_state->force_audio || >>>> new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb >>>> || >>>> + new_state->colorspace != old_state->colorspace || >>>> new_conn_state->base.picture_aspect_ratio != old_conn_state- >>>> base.picture_aspect_ratio || >>>> new_conn_state->base.content_type != old_conn_state- >>>> base.content_type || >>>> new_conn_state->base.scaling_mode != >>>> old_conn_state->base.scaling_mode) >>>> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c >>>> b/drivers/gpu/drm/i915/intel_hdmi.c >>>> index 129b880..8a41fb3 100644 >>>> --- a/drivers/gpu/drm/i915/intel_hdmi.c >>>> +++ b/drivers/gpu/drm/i915/intel_hdmi.c >>>> @@ -486,6 +486,8 @@ static void intel_hdmi_set_avi_infoframe(struct >>> intel_encoder *encoder, >>>> else >>>> frame.avi.colorspace = HDMI_COLORSPACE_RGB; >>>> >>>> + frame.avi.extended_colorimetry = conn_state->colorspace; >>>> + >>>> drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode, >>>> crtc_state->limited_color_range ? >>>> >>> HDMI_QUANTIZATION_RANGE_LIMITED : >>>> @@ -2125,6 +2127,9 @@ static void intel_hdmi_destroy(struct drm_connector >>> *connector) >>>> intel_attach_broadcast_rgb_property(connector); >>>> intel_attach_aspect_ratio_property(connector); >>>> drm_connector_attach_content_type_property(connector); >>>> + drm_object_attach_property(&connector->base, >>>> + connector->dev->mode_config.colorspace_property, >>>> + COLORIMETRY_ITU_709); >>> Just put 0 here.. >>> If you want to init the default colorspace, put it in the first patch. >> Ok, will update this. >> >>> We should perhaps hide color spaces that are not supported on HDMI? >> Currently the supported colorspaces will be picked from edid by userspace and >> they should use the current property interface to set the one which is >> supported. >> Even on HDMI, some connectors may not support certain colorspace, so keeping >> it on userspace to set the one which is supported by the particular >> connector. Hope >> this approach is fine ? > I think we want to trim the list to whatever the infoframe vs. MSA/VSC > SDP can carry. So HDMI will have one list, DP another. And I guess for > lspcon we want to go with the HDMI definition since we populate the > infoframe by hand. > What about passive DP to HDMI convertors?
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