[PATCH 2/3] drm/bridge: nwl-dsi: Correct auto-insert EOTP behavior

[Esben Haabendal]

From: Robert Chiras <robert.chiras@xxxxxxx>

In order to respect the DSI protocol, make sure that auto-insert EOTP is
enabled according to the NO_EOT_PACKET flag instead of the
CLOCK_NON_CONTINUOUS flag.

Signed-off-by: Esben Haabendal <esben@xxxxxxxxxx>
Cc: Robert Chiras <robert.chiras@xxxxxxx>
Cc: Laurentiu Palcu <laurentiu.palcu@xxxxxxxxxxx>
---
 drivers/gpu/drm/bridge/nwl-dsi.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index 915e1bdc73c8..c9af6a3d47e1 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -222,13 +222,15 @@ static int nwl_dsi_config_host(struct nwl_dsi *dsi)
 	DRM_DEV_DEBUG_DRIVER(dsi->dev, "DSI Lanes %d\n", dsi->lanes);
 	nwl_dsi_write(dsi, NWL_DSI_CFG_NUM_LANES, dsi->lanes - 1);
 
-	if (dsi->dsi_mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) {
+	if (dsi->dsi_mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
 		nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x01);
-		nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x01);
-	} else {
+	else
 		nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x00);
+
+	if (dsi->dsi_mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET)
 		nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x00);
-	}
+	else
+		nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x01);
 
 	/* values in byte clock cycles */
 	cycles = ui2bc(cfg->clk_pre);

-- 
2.55.0