diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-05-27 15:57:53 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-05-28 09:57:27 +0200 |
| commit | aadb3e16b8f30cc1c1efdfe162f400e026385bfb (patch) | |
| tree | dc9540bfba1a8928582ed63fc9a3d966143b41f0 /drivers/gpu/drm/display | |
| parent | 54cb39e2293b1e221708d3ac157ecc59086e1b46 (diff) | |
drm/connector: hdmi: Add output BPC to the connector state
We'll add automatic selection of the output BPC in a following patch,
but let's add it to the HDMI connector state already.
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527-kms-hdmi-connector-state-v15-4-c5af16c3aae2@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/display')
| -rw-r--r-- | drivers/gpu/drm/display/drm_hdmi_state_helper.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c b/drivers/gpu/drm/display/drm_hdmi_state_helper.c index 1e92c1108d23..82293d93b5f8 100644 --- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c +++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c @@ -18,6 +18,10 @@ void __drm_atomic_helper_connector_hdmi_reset(struct drm_connector *connector, struct drm_connector_state *new_conn_state) { + unsigned int max_bpc = connector->max_bpc; + + new_conn_state->max_bpc = max_bpc; + new_conn_state->max_requested_bpc = max_bpc; } EXPORT_SYMBOL(__drm_atomic_helper_connector_hdmi_reset); @@ -36,6 +40,22 @@ EXPORT_SYMBOL(__drm_atomic_helper_connector_hdmi_reset); int drm_atomic_helper_connector_hdmi_check(struct drm_connector *connector, struct drm_atomic_state *state) { + struct drm_connector_state *old_conn_state = + drm_atomic_get_old_connector_state(state, connector); + struct drm_connector_state *new_conn_state = + drm_atomic_get_new_connector_state(state, connector); + + if (old_conn_state->hdmi.output_bpc != new_conn_state->hdmi.output_bpc) { + struct drm_crtc *crtc = new_conn_state->crtc; + struct drm_crtc_state *crtc_state; + + crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + crtc_state->mode_changed = true; + } + return 0; } EXPORT_SYMBOL(drm_atomic_helper_connector_hdmi_check); |