This commits implements the "active bpc" drm property for the Intel GPU driver.
Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 13 +++++++++++++
drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++--
drivers/gpu/drm/i915/display/intel_dp_mst.c | 4 +++-
drivers/gpu/drm/i915/display/intel_hdmi.c | 4 +++-
4 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 64e9107d70f7..f7898d9d7438 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -10164,6 +10164,8 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc_state *new_crtc_state, *old_crtc_state;
struct intel_crtc *crtc;
+ struct drm_connector *connector;
+ struct drm_connector_state *new_conn_state;
u64 put_domains[I915_MAX_PIPES] = {};
intel_wakeref_t wakeref = 0;
int i;
@@ -10324,6 +10326,17 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
}
intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref);
+ /* Extract information from crtc to communicate it to userspace as connector properties */
+ for_each_new_connector_in_state(&state->base, connector, new_conn_state, i) {
+ struct drm_crtc *crtc = new_conn_state->crtc;
+ if (crtc) {
+ new_crtc_state = to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state->base, crtc));
+ new_conn_state->active_bpc = new_crtc_state->pipe_bpp / 3;
+ }
+ else
+ new_conn_state->active_bpc = 0;
+ }
+
/*
* Defer the cleanup of the old state to a separate worker to not
* impede the current task (userspace for blocking modesets) that
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 642c60f3d9b1..67826ba976ed 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4671,10 +4671,14 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
intel_attach_force_audio_property(connector);
intel_attach_broadcast_rgb_property(connector);
- if (HAS_GMCH(dev_priv))
+ if (HAS_GMCH(dev_priv)) {
drm_connector_attach_max_bpc_property(connector, 6, 10);
- else if (DISPLAY_VER(dev_priv) >= 5)
+ drm_connector_attach_active_bpc_property(connector, 6, 10);
+ }
+ 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);
+ }
/* Register HDMI colorspace for case of lspcon */
if (intel_bios_is_lspcon_present(dev_priv, port)) {
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 2daa3f67791e..5a1869dc2210 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -844,8 +844,10 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
*/
connector->max_bpc_property =
intel_dp->attached_connector->base.max_bpc_property;
- if (connector->max_bpc_property)
+ if (connector->max_bpc_property) {
drm_connector_attach_max_bpc_property(connector, 6, 12);
+ drm_connector_attach_active_bpc_property(connector, 6, 12);
+ }
return connector;
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index d69f0a6dc26d..8af78b27b6ce 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2463,8 +2463,10 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c
drm_object_attach_property(&connector->base,
connector->dev->mode_config.hdr_output_metadata_property, 0);
- if (!HAS_GMCH(dev_priv))
+ if (!HAS_GMCH(dev_priv)) {
drm_connector_attach_max_bpc_property(connector, 8, 12);
+ drm_connector_attach_active_bpc_property(connector, 8, 12);
+ }
}
/*
--
2.25.1
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