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Subject[PATCH v4 10/17] drm/amd/display: Add handling for new "active color range" property
Date
This commit implements the "active color range" drm property for the AMD
GPU driver.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 33 +++++++++++++++++++
.../display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 +++
2 files changed, 37 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 5086d6d74bf6..bce47f28e20a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6733,6 +6733,33 @@ static int convert_dc_pixel_encoding_into_drm_color_format(
return 0;
}

+static int convert_dc_color_space_into_drm_mode_color_range(enum dc_color_space color_space)
+{
+ if (color_space == COLOR_SPACE_SRGB ||
+ color_space == COLOR_SPACE_XR_RGB ||
+ color_space == COLOR_SPACE_MSREF_SCRGB ||
+ color_space == COLOR_SPACE_2020_RGB_FULLRANGE ||
+ color_space == COLOR_SPACE_ADOBERGB ||
+ color_space == COLOR_SPACE_DCIP3 ||
+ color_space == COLOR_SPACE_DOLBYVISION ||
+ color_space == COLOR_SPACE_YCBCR601 ||
+ color_space == COLOR_SPACE_XV_YCC_601 ||
+ color_space == COLOR_SPACE_YCBCR709 ||
+ color_space == COLOR_SPACE_XV_YCC_709 ||
+ color_space == COLOR_SPACE_2020_YCBCR ||
+ color_space == COLOR_SPACE_YCBCR709_BLACK ||
+ color_space == COLOR_SPACE_DISPLAYNATIVE ||
+ color_space == COLOR_SPACE_APPCTRL ||
+ color_space == COLOR_SPACE_CUSTOMPOINTS)
+ return DRM_MODE_COLOR_RANGE_FULL;
+ if (color_space == COLOR_SPACE_SRGB_LIMITED ||
+ color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE ||
+ color_space == COLOR_SPACE_YCBCR601_LIMITED ||
+ color_space == COLOR_SPACE_YCBCR709_LIMITED)
+ return DRM_MODE_COLOR_RANGE_LIMITED_16_235;
+ return DRM_MODE_COLOR_RANGE_UNSET;
+}
+
static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
@@ -7735,6 +7762,7 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16);
drm_connector_attach_active_bpc_property(&aconnector->base, 8, 16);
drm_connector_attach_active_color_format_property(&aconnector->base);
+ drm_connector_attach_active_color_range_property(&aconnector->base);
}

/* This defaults to the max in the range, but we want 8bpc for non-edp. */
@@ -9118,10 +9146,15 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
drm_connector_set_active_color_format_property(connector,
convert_dc_pixel_encoding_into_drm_color_format(
dm_new_crtc_state->stream->timing.pixel_encoding));
+ drm_connector_set_active_color_range_property(connector,
+ convert_dc_color_space_into_drm_mode_color_range(
+ dm_new_crtc_state->stream->output_color_space));
}
} else {
drm_connector_set_active_bpc_property(connector, 0);
drm_connector_set_active_color_format_property(connector, 0);
+ drm_connector_set_active_color_range_property(connector,
+ DRM_MODE_COLOR_RANGE_UNSET);
}
}

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 13151d13aa73..b5d57bbbdd20 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -417,6 +417,10 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
if (connector->active_color_format_property)
drm_connector_attach_active_color_format_property(&aconnector->base);

+ connector->active_color_range_property = master->base.active_color_range_property;
+ if (connector->active_color_range_property)
+ drm_connector_attach_active_color_range_property(&aconnector->base);
+
connector->vrr_capable_property = master->base.vrr_capable_property;
if (connector->vrr_capable_property)
drm_connector_attach_vrr_capable_property(connector);
--
2.25.1
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