From 2f95ffc9a474efb9118b0cffc0cddeed62e0dcf6 Mon Sep 17 00:00:00 2001 From: Minecrell Date: Wed, 6 Jan 2021 12:42:02 +0100 Subject: [PATCH 52/78] drm/panel: longcheer-yushun-nt35520: Force DSI video mode Command mode is somewhat broken in the mainline kernel. Copy a magic parameter from panel-novatek-nt35510.c to force video mode for now. --- .../msm8916-generated/panel-longcheer-yushun-nt35520.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/msm8916-generated/panel-longcheer-yushun-nt35520.c b/drivers/gpu/drm/panel/msm8916-generated/panel-longcheer-yushun-nt35520.c index 361cdb163..c5fa6e8b9 100644 --- a/drivers/gpu/drm/panel/msm8916-generated/panel-longcheer-yushun-nt35520.c +++ b/drivers/gpu/drm/panel/msm8916-generated/panel-longcheer-yushun-nt35520.c @@ -13,6 +13,9 @@ #include #include +/* From panel-novatek-nt35510.c */ +#define NT35520_DOPCTR_0_DSIM BIT(4) /* Enable video mode on DSI */ + struct yushun_nt35520 { struct drm_panel panel; struct mipi_dsi_device *dsi; @@ -56,7 +59,7 @@ static int yushun_nt35520_on(struct yushun_nt35520 *ctx) dsi_generic_write_seq(dsi, 0xf7, 0x00); dsi_generic_write_seq(dsi, 0x6f, 0x01); dsi_generic_write_seq(dsi, 0xf3, 0x00); - dsi_generic_write_seq(dsi, 0xb1, 0x68, 0x21); + dsi_generic_write_seq(dsi, 0xb1, 0x68 | NT35520_DOPCTR_0_DSIM, 0x21); dsi_generic_write_seq(dsi, 0xbd, 0x02, 0x67, 0x20, 0x20, 0x00); dsi_generic_write_seq(dsi, 0x6f, 0x02); dsi_generic_write_seq(dsi, 0xb8, 0x08); @@ -410,7 +413,7 @@ static int yushun_nt35520_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; drm_panel_init(&ctx->panel, dev, &yushun_nt35520_panel_funcs, -- 2.31.1