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backend-drm: get colorimetry mask from EDID 

This is the mask that the sink claims to support. Default is always
supported.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2023-09-05 17:32:29 +03:00 committed by Daniel Stone
parent 77f72ce8f1
commit fa587e3fc0
1 changed files with 37 additions and 3 deletions
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40
libweston/backend-drm/modes.c
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@ -254,6 +254,36 @@ get_eotf_mask(const struct di_info *info)
return mask;
}
static uint32_t
get_colorimetry_mask(const struct di_info *info)
{
const struct di_supported_signal_colorimetry *ssc;
uint32_t mask = WESTON_COLORIMETRY_MODE_DEFAULT;
ssc = di_info_get_supported_signal_colorimetry(info);
if (!ssc)
return mask;
if (ssc->bt2020_cycc)
mask |= WESTON_COLORIMETRY_MODE_BT2020_CYCC;
if (ssc->bt2020_rgb)
mask |= WESTON_COLORIMETRY_MODE_BT2020_RGB;
if (ssc->bt2020_ycc)
mask |= WESTON_COLORIMETRY_MODE_BT2020_YCC;
if (ssc->st2113_rgb) {
mask |= WESTON_COLORIMETRY_MODE_P3D65;
mask |= WESTON_COLORIMETRY_MODE_P3DCI;
}
if (ssc->ictcp)
mask |= WESTON_COLORIMETRY_MODE_ICTCP;
return mask;
}
#else /* HAVE_LIBDISPLAY_INFO_HIGH_LEVEL_COLORIMETRY */
static uint32_t
@ -262,6 +292,12 @@ get_eotf_mask(const struct di_info *info)
return WESTON_EOTF_MODE_SDR;
}
static uint32_t
get_colorimetry_mask(const struct di_info *info)
{
return WESTON_COLORIMETRY_MODE_DEFAULT;
}
#endif /* HAVE_LIBDISPLAY_INFO_HIGH_LEVEL_COLORIMETRY */
static struct di_info *
@ -288,9 +324,7 @@ drm_head_info_from_edid(struct drm_head_info *dhi,
dhi->model = di_info_get_model(di_ctx);
dhi->serial_number = di_info_get_serial(di_ctx);
dhi->eotf_mask = get_eotf_mask(di_ctx);
/* TODO: parse this from EDID */
dhi->colorimetry_mask = WESTON_COLORIMETRY_MODE_ALL_MASK;
dhi->colorimetry_mask = get_colorimetry_mask(di_ctx);
return di_ctx;
}