[Intel-gfx] [PATCH v4 08/17] drm/i915/display: Add handling for new "active color format" property

Werner Sembach
2021-06-18T09:12:03Z

This commit implements the "active color format" drm property for the Intel
GPU driver.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 22 +++++++++++++++++++-
drivers/gpu/drm/i915/display/intel_dp.c | 2 ++
drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 +++++
drivers/gpu/drm/i915/display/intel_hdmi.c | 1 +
4 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 4b00d2f3b3c8..57bec7f452d8 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -10609,6 +10609,21 @@ static void intel_atomic_prepare_plane_clear_colors(struct intel_atomic_state *s
}
}

+static int convert_intel_output_format_into_drm_color_format(enum intel_output_format output_format)
+{
+ switch (output_format) {
+ case INTEL_OUTPUT_FORMAT_RGB:
+ return DRM_COLOR_FORMAT_RGB444;
+ case INTEL_OUTPUT_FORMAT_YCBCR420:
+ return DRM_COLOR_FORMAT_YCRCB420;
+ case INTEL_OUTPUT_FORMAT_YCBCR444:
+ return DRM_COLOR_FORMAT_YCRCB444;
+ default:
+ break;
+ }
+ return 0;
+}
+
static void intel_atomic_commit_tail(struct intel_atomic_state *state)
{
struct drm_device *dev = state->base.dev;
@@ -10920,8 +10935,13 @@ static int intel_atomic_commit(struct drm_device *dev,

drm_connector_set_active_bpc_property(connector,
new_crtc_state->pipe_bpp / 3);
- } else
+ drm_connector_set_active_color_format_property(connector,
+ convert_intel_output_format_into_drm_color_format(
+ new_crtc_state->output_format));
+ } else {
drm_connector_set_active_bpc_property(connector, 0);
+ drm_connector_set_active_color_format_property(connector, 0);
+ }
}

drm_atomic_state_get(&state->base);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 2d7b5318ae7b..9204bc14590a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4691,9 +4691,11 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
if (HAS_GMCH(dev_priv)) {
drm_connector_attach_max_bpc_property(connector, 6, 10);
drm_connector_attach_active_bpc_property(connector, 6, 10);
+ drm_connector_attach_active_color_format_property(connector);
} else if (DISPLAY_VER(dev_priv) >= 5) {
drm_connector_attach_max_bpc_property(connector, 6, 12);
drm_connector_attach_active_bpc_property(connector, 6, 12);
+ drm_connector_attach_active_color_format_property(connector);
}

/* Register HDMI colorspace for case of lspcon */
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 16bfc59570a5..3e4237df3360 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -856,6 +856,11 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
if (connector->active_bpc_property)
drm_connector_attach_active_bpc_property(connector, 6, 12);

+ connector->active_color_format_property =
+ intel_dp->attached_connector->base.active_color_format_property;
+ if (connector->active_color_format_property)
+ drm_connector_attach_active_color_format_property(connector);
+
return connector;

err:
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 9160e21ac9d6..367aba57b55f 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2516,6 +2516,7 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c
if (!HAS_GMCH(dev_priv)) {
drm_connector_attach_max_bpc_property(connector, 8, 12);
drm_connector_attach_active_bpc_property(connector, 8, 12);
+ drm_connector_attach_active_color_format_property(connector);
}
}

--
2.25.1