From 2f7e4a6997362a929419fc352ad8f424143ae482 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 8 Jun 2025 16:28:17 +0200 Subject: [PATCH] drm/panel: ilitek-ili9881c: Allow configuration of the number of lanes Not all panels use all 4 data lanes, so allow configuration based on the compatible string. Signed-off-by: Marek Vasut Reviewed-by: Neil Armstrong Signed-off-by: Neil Armstrong Link: https://lore.kernel.org/r/20250608142908.54121-2-marek.vasut+renesas@mailbox.org --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index aa4192def0935..0ac22415d167f 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -43,6 +43,7 @@ struct ili9881c_desc { const struct drm_display_mode *mode; const unsigned long mode_flags; u8 default_address_mode; + unsigned int lanes; }; struct ili9881c { @@ -1548,7 +1549,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) dsi->mode_flags = ctx->desc->mode_flags; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->lanes = 4; + dsi->lanes = ctx->desc->lanes; return mipi_dsi_attach(dsi); } @@ -1566,6 +1567,7 @@ static const struct ili9881c_desc lhr050h41_desc = { .init_length = ARRAY_SIZE(lhr050h41_init), .mode = &lhr050h41_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .lanes = 4, }; static const struct ili9881c_desc k101_im2byl02_desc = { @@ -1573,6 +1575,7 @@ static const struct ili9881c_desc k101_im2byl02_desc = { .init_length = ARRAY_SIZE(k101_im2byl02_init), .mode = &k101_im2byl02_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .lanes = 4, }; static const struct ili9881c_desc kd050hdfia020_desc = { @@ -1598,6 +1601,7 @@ static const struct ili9881c_desc w552946aba_desc = { .mode = &w552946aba_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, + .lanes = 4, }; static const struct ili9881c_desc am8001280g_desc = { -- 2.47.2