This commit implements the "active bpc" drm property for the Intel GPU driver.
Signed-off-by: Werner Sembach wse@tuxedocomputers.com --- drivers/gpu/drm/i915/display/intel_display.c | 17 +++++++++++++++++ drivers/gpu/drm/i915/display/intel_dp.c | 7 +++++-- drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 +++++ drivers/gpu/drm/i915/display/intel_hdmi.c | 4 +++- 4 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 6be1b31af07b..4b00d2f3b3c8 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -10839,6 +10839,9 @@ static int intel_atomic_commit(struct drm_device *dev, { struct intel_atomic_state *state = to_intel_atomic_state(_state); struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_connector *connector; + struct drm_connector_state *new_conn_state; + int i; int ret = 0;
state->wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); @@ -10907,6 +10910,20 @@ static int intel_atomic_commit(struct drm_device *dev, intel_shared_dpll_swap_state(state); intel_atomic_track_fbs(state);
+ /* 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 intel_crtc *crtc = to_intel_crtc(new_conn_state->crtc); + + if (crtc) { + struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + drm_connector_set_active_bpc_property(connector, + new_crtc_state->pipe_bpp / 3); + } else + drm_connector_set_active_bpc_property(connector, 0); + } + drm_atomic_state_get(&state->base); INIT_WORK(&state->base.commit_work, intel_atomic_commit_work);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5c9222283044..2d7b5318ae7b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4688,10 +4688,13 @@ 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 b170e272bdee..16bfc59570a5 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -851,6 +851,11 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo if (connector->max_bpc_property) drm_connector_attach_max_bpc_property(connector, 6, 12);
+ connector->active_bpc_property = + intel_dp->attached_connector->base.active_bpc_property; + if (connector->active_bpc_property) + drm_connector_attach_active_bpc_property(connector, 6, 12); + return connector;
err: diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 7e51c98c475e..9160e21ac9d6 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2513,8 +2513,10 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c if (DISPLAY_VER(dev_priv) >= 10) drm_connector_attach_hdr_output_metadata_property(connector);
- 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); + } }
/*