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fix: add DSI_INIT0 lane config to old panel init seq + fix mode_flags

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Hermes
2026-06-13 18:59:29 -04:00
parent cb2b535fde
commit 67aafe37db
1 changed files with 3 additions and 6 deletions
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9
patches/0008-panel-cwu50-fix-init-seq1.patch
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@@ -1,18 +1,15 @@
--- a/drivers/gpu/drm/panel/panel-cwu50.c --- a/drivers/gpu/drm/panel/panel-cwu50.c
+++ b/drivers/gpu/drm/panel/panel-cwu50.c +++ b/drivers/gpu/drm/panel/panel-cwu50.c
@@ -67,7 +67,9 @@ static void cwu50_init_sequence(struct cwu50 *ctx) @@ -58,5 +58,8 @@
dcs_write_seq(0x72,0x06); dcs_write_seq(0x72,0x06);
dcs_write_seq(0x75,0x03); dcs_write_seq(0x75,0x03);
+ /* DSI_INIT0: set 4 lanes (bits[1:0]=11) — fixes lane count default */ + /* DSI_INIT0: set 4 lanes (bits[1:0]=11) */
+ dcs_write_seq(0x80,0x03); + dcs_write_seq(0x80,0x03);
dcs_write_seq(0xE0,0x01); dcs_write_seq(0xE0,0x01);
+ +
dcs_write_seq(0x00,0x00); dcs_write_seq(0x00,0x00);
dcs_write_seq(0x01,0x47);//VCOM0x47 dcs_write_seq(0x01,0x47);//VCOM0x47
dcs_write_seq(0x03,0x00); @@ -721,6 +723,6 @@
@@ -164,7 +166,7 @@ static int cwu50_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 4; dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888; dsi->format = MIPI_DSI_FMT_RGB888;
- dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;