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[1/2] drm/tegra: dsi: Properly set num_lanes in .transfer()

Message ID 1439392340-17130-1-git-send-email-seanpaul@chromium.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sean Paul Aug. 12, 2015, 3:12 p.m. UTC 
According to TRM, DSI_NUM_DATA_LANES only applies for HS
transactions, so set it to the proper number of lanes.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
 drivers/gpu/drm/tegra/dsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index ed970f6..09f9f68 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1287,7 +1287,7 @@  static ssize_t tegra_dsi_host_transfer(struct mipi_dsi_host *host,
 		tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
 	}
 
-	value = DSI_CONTROL_LANES(0) | DSI_CONTROL_HOST_ENABLE;
+	value = DSI_CONTROL_LANES(dsi->lanes - 1) | DSI_CONTROL_HOST_ENABLE;
 	tegra_dsi_writel(dsi, value, DSI_CONTROL);
 
 	/* write packet header, ECC is generated by hardware */