On Tue, 7 Mar 2023 10:10:59 -0500
Harry Wentland <harry.wentland@xxxxxxx> wrote:
> We want compositors to be able to set the output
> colorspace on DP and HDMI outputs, based on the
> caps reported from the receiver via EDID.
>
> Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
> Cc: Pekka Paalanen <ppaalanen@xxxxxxxxx>
> Cc: Sebastian Wick <sebastian.wick@xxxxxxxxxx>
> Cc: Vitaly.Prosyak@xxxxxxx
> Cc: Joshua Ashton <joshua@xxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Reviewed-By: Joshua Ashton <joshua@xxxxxxxxx>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index f91b2ea13d96..2d883c6dae90 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -7184,6 +7184,12 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
> return amdgpu_dm_connector->num_modes;
> }
>
> +static const u32 supported_colorspaces =
> + BIT(DRM_MODE_COLORIMETRY_BT709_YCC) |
> + BIT(DRM_MODE_COLORIMETRY_OPRGB) |
> + BIT(DRM_MODE_COLORIMETRY_BT2020) |
> + BIT(DRM_MODE_COLORIMETRY_BT2020_DEPRECATED);
No DEFAULT?
No BT.709 RGB, i.e. sRGB?
Doesn't DRM core reject enum uint values that are not listed in the enum
property?
Thanks,
pq
> +
> void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
> struct amdgpu_dm_connector *aconnector,
> int connector_type,
> @@ -7264,6 +7270,15 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
> adev->mode_info.abm_level_property, 0);
> }
>
> + if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
> + if (!drm_mode_create_hdmi_colorspace_property(&aconnector->base, supported_colorspaces))
> + drm_connector_attach_colorspace_property(&aconnector->base);
> + } else if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
> + connector_type == DRM_MODE_CONNECTOR_eDP) {
> + if (!drm_mode_create_dp_colorspace_property(&aconnector->base, supported_colorspaces))
> + drm_connector_attach_colorspace_property(&aconnector->base);
> + }
> +
> if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
> connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
> connector_type == DRM_MODE_CONNECTOR_eDP) {
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