diff options
| author | Anatoliy Klymenko <anatoliy.klymenko@amd.com> | 2024-04-16 13:31:38 -0700 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2024-04-24 17:51:18 +0300 |
| commit | 2e03666cbd649931903bcbd043fc5294179fa3d2 (patch) | |
| tree | 4a38279106a0079d3e4f1effa678a254ebdb3c9d | |
| parent | 8628274101605943b9abeb8988d7ff578c5cd493 (diff) | |
drm: xlnx: zynqmp_dpsub: Add connected live layer helper
Add a helper function capturing the first connected live display layer
discovery logic.
Signed-off-by: Anatoliy Klymenko <anatoliy.klymenko@amd.com>
Reviewed-by: Tomi Valkeinen <tomi.valkainen@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240416-dp-live-fmt-v4-3-c7f379b7168e@amd.com
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_dp.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index 20eeade2b5af..76fa7b3258a2 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1276,28 +1276,40 @@ static void zynqmp_dp_encoder_mode_set_stream(struct zynqmp_dp *dp, * DISP Configuration */ +/** + * zynqmp_dp_disp_connected_live_layer - Return the first connected live layer + * @dp: DisplayPort IP core structure + * + * Return: The first connected live display layer or NULL if none of the live + * layers are connected. + */ +static struct zynqmp_disp_layer * +zynqmp_dp_disp_connected_live_layer(struct zynqmp_dp *dp) +{ + if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_VIDEO)) + return dp->dpsub->layers[ZYNQMP_DPSUB_LAYER_VID]; + else if (dp->dpsub->connected_ports & BIT(ZYNQMP_DPSUB_PORT_LIVE_GFX)) + return dp->dpsub->layers[ZYNQMP_DPSUB_LAYER_GFX]; + else + return NULL; +} + 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 + layer = zynqmp_dp_disp_connected_live_layer(dp); + if (!layer) 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); - if (layer_id == ZYNQMP_DPSUB_LAYER_GFX) + if (layer == dp->dpsub->layers[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); @@ -1310,11 +1322,8 @@ static void zynqmp_dp_disp_disable(struct zynqmp_dp *dp, { 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 + layer = zynqmp_dp_disp_connected_live_layer(dp); + if (!layer) return; zynqmp_disp_disable(dp->dpsub->disp); |