Add `out_port` field to the `rzg2l_mipi_dsi_hw_info` structure to store the DSI output port index. RZ/G2L and RZ/V2H(P) use port 1 for DSI output, while RZ/G3E uses port 2.
Update `rzg2l_mipi_dsi_host_attach()` and `rzg2l_mipi_dsi_probe()` to use this `out_port` from the OF data, facilitating future support for RZ/G3E SoC. Signed-off-by: Tommaso Merciai <[email protected]> --- drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c index 5edd45424562..ccc2758bafb0 100644 --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c @@ -58,6 +58,7 @@ struct rzg2l_mipi_dsi_hw_info { u32 link_reg_offset; unsigned long min_dclk; unsigned long max_dclk; + int out_port; u8 features; }; @@ -1145,7 +1146,7 @@ static int rzg2l_mipi_dsi_host_attach(struct mipi_dsi_host *host, dsi->mode_flags = device->mode_flags; dsi->next_bridge = devm_drm_of_get_bridge(dsi->dev, dsi->dev->of_node, - 1, 0); + dsi->info->out_port, 0); if (IS_ERR(dsi->next_bridge)) { ret = PTR_ERR(dsi->next_bridge); dev_err(dsi->dev, "failed to get next bridge: %d\n", ret); @@ -1386,7 +1387,9 @@ static int rzg2l_mipi_dsi_probe(struct platform_device *pdev) dsi->info = of_device_get_match_data(&pdev->dev); - ret = drm_of_get_data_lanes_count_ep(dsi->dev->of_node, 1, 0, 1, 4); + ret = drm_of_get_data_lanes_count_ep(dsi->dev->of_node, + dsi->info->out_port, + 0, 1, 4); if (ret < 0) return dev_err_probe(dsi->dev, ret, "missing or invalid data-lanes property\n"); @@ -1500,6 +1503,7 @@ static const struct rzg2l_mipi_dsi_hw_info rzv2h_mipi_dsi_info = { .link_reg_offset = 0, .min_dclk = 5440, .max_dclk = 187500, + .out_port = 1, .features = RZ_MIPI_DSI_FEATURE_16BPP, }; @@ -1510,6 +1514,7 @@ static const struct rzg2l_mipi_dsi_hw_info rzg2l_mipi_dsi_info = { .link_reg_offset = 0x10000, .min_dclk = 5803, .max_dclk = 148500, + .out_port = 1, }; static const struct of_device_id rzg2l_mipi_dsi_of_table[] = { -- 2.43.0
