From 937472c7d58945412f75ad7a4f9d44c83be42ab4 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Mon, 30 Nov 2020 16:57:01 +0000 Subject: [PATCH 0946/1085] 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: Dave Stevenson --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -45,6 +45,7 @@ struct ili9881c_desc { const size_t init_length; const struct drm_display_mode *mode; const unsigned long mode_flags; + unsigned int lanes; }; struct ili9881c { @@ -1565,7 +1566,7 @@ static int ili9881c_dsi_probe(struct mip dsi->mode_flags = ctx->desc->mode_flags; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->lanes = 4; + dsi->lanes = ctx->desc->lanes; ret = mipi_dsi_attach(dsi); if (ret) @@ -1587,6 +1588,7 @@ static const struct ili9881c_desc lhr050 .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 = { @@ -1594,6 +1596,7 @@ static const struct ili9881c_desc k101_i .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 nwe080_desc = { @@ -1601,6 +1604,7 @@ static const struct ili9881c_desc nwe080 .init_length = ARRAY_SIZE(nwe080_init), .mode = &nwe080_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO, + .lanes = 4, }; static const struct ili9881c_desc tl050hdv35_desc = { @@ -1617,6 +1621,7 @@ static const struct ili9881c_desc w55294 .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 cfaf7201280a0_050tx_desc = { @@ -1624,6 +1629,7 @@ static const struct ili9881c_desc cfaf72 .init_length = ARRAY_SIZE(cfaf7201280a0_050tx_init), .mode = &cfaf7201280a0_050tx_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO, + .lanes = 4, }; static const struct of_device_id ili9881c_of_match[] = {