diff options
Diffstat (limited to 'drivers/gpu/drm/xlnx/zynqmp_dp.c')
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_dp.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index 5424f955be28..7c9ae167eac7 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -14,6 +14,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_device.h> #include <drm/drm_edid.h> +#include <drm/drm_fourcc.h> #include <drm/drm_modes.h> #include <drm/drm_of.h> @@ -1272,6 +1273,55 @@ static void zynqmp_dp_encoder_mode_set_stream(struct zynqmp_dp *dp, } /* ----------------------------------------------------------------------------- + * DISP Configuration + */ + +static void zynqmp_dp_disp_enable(struct zynqmp_dp *dp, + struct drm_bridge_state *old_bridge_state) +{ + enum zynqmp_dpsub_layer_id layer_id; + struct zynqmp_disp_layer *layer; + const struct drm_format_info *info; + + if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_VIDEO)) + layer_id = ZYNQMP_DPSUB_LAYER_VID; + else if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_GFX)) + layer_id = ZYNQMP_DPSUB_LAYER_GFX; + else + return; + + layer = dp->dpsub->layers[layer_id]; + + /* TODO: Make the format configurable. */ + info = drm_format_info(DRM_FORMAT_YUV422); + zynqmp_disp_layer_set_format(layer, info); + zynqmp_disp_layer_enable(layer, ZYNQMP_DPSUB_LAYER_LIVE); + + if (layer_id == ZYNQMP_DPSUB_LAYER_GFX) + zynqmp_disp_blend_set_global_alpha(dp->dpsub->disp, true, 255); + else + zynqmp_disp_blend_set_global_alpha(dp->dpsub->disp, false, 0); + + zynqmp_disp_enable(dp->dpsub->disp); +} + +static void zynqmp_dp_disp_disable(struct zynqmp_dp *dp, + struct drm_bridge_state *old_bridge_state) +{ + struct zynqmp_disp_layer *layer; + + if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_VIDEO)) + layer = dp->dpsub->layers[ZYNQMP_DPSUB_LAYER_VID]; + else if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_GFX)) + layer = dp->dpsub->layers[ZYNQMP_DPSUB_LAYER_GFX]; + else + return; + + zynqmp_disp_disable(dp->dpsub->disp); + zynqmp_disp_layer_disable(layer); +} + +/* ----------------------------------------------------------------------------- * DRM Bridge */ @@ -1355,6 +1405,8 @@ static void zynqmp_dp_bridge_atomic_enable(struct drm_bridge *bridge, pm_runtime_get_sync(dp->dev); + zynqmp_dp_disp_enable(dp, old_bridge_state); + /* * Retrieve the CRTC mode and adjusted mode. This requires a little * dance to go from the bridge to the encoder, to the connector and to @@ -1428,6 +1480,9 @@ static void zynqmp_dp_bridge_atomic_disable(struct drm_bridge *bridge, ZYNQMP_DP_TX_PHY_POWER_DOWN_ALL); if (zynqmp_dpsub_audio_enabled(dp->dpsub)) zynqmp_dp_write(dp, ZYNQMP_DP_TX_AUDIO_CONTROL, 0); + + zynqmp_dp_disp_disable(dp, old_bridge_state); + pm_runtime_put_sync(dp->dev); } |