From: Max Krummenacher Date: Mon, 28 Jul 2025 15:00:50 +0000 (+0200) Subject: drm/bridge: lontium-lt8912b: Do not generate HFP X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=9a56caf49525e8a0ee349fb69db101d018a95a66;p=thirdparty%2Flinux.git drm/bridge: lontium-lt8912b: Do not generate HFP The datasheet of lontium-lt8912b doesn't require blanking during the HFP period. Thus use LP during HFP. Tested with a samsung-dsim (i.MX8 MM) and a tc358768 DPI to DSI bridge as the DSI host. Signed-off-by: Max Krummenacher Reviewed-by: Luca Ceresoli Link: https://patch.msgid.link/20250728150059.2642055-1-max.oss.09@gmail.com Signed-off-by: Luca Ceresoli --- diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 8a0b48efca58..729b12b67470 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -493,6 +493,7 @@ static int lt8912_attach_dsi(struct lt8912 *lt) dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM | + MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_NO_EOT_PACKET; ret = devm_mipi_dsi_attach(dev, dsi);