Not all panels use all 4 data lanes, so allow configuration based on the compatible string. Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx> --- Based on https://github.com/raspberrypi/linux 0d7ac78a3dd9 ("Extending ili9881c driver support for nwe080 panel") by Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> and others --- Cc: Conor Dooley <conor+dt@xxxxxxxxxx> Cc: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> Cc: David Airlie <airlied@xxxxxxxxx> Cc: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Cc: Maxime Ripard <mripard@xxxxxxxxxx> Cc: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: Simona Vetter <simona@xxxxxxxx> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: linux-renesas-soc@xxxxxxxxxxxxxxx --- 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 28cd7560e5db..2f5ae69148cc 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 { @@ -1549,7 +1550,7 @@ 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); } @@ -1567,6 +1568,7 @@ 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 = { @@ -1574,6 +1576,7 @@ 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 = { @@ -1599,6 +1602,7 @@ 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
