From: Sean Paul <seanpaul@chromium.org>
To: airlied@linux.ie, thierry.reding@gmail.com,
dri-devel@lists.freedesktop.org
Subject: [PATCH 1/2] drm/tegra: dsi: Properly set num_lanes in .transfer()
Date: Wed, 12 Aug 2015 11:12:19 -0400 [thread overview]
Message-ID: <1439392340-17130-1-git-send-email-seanpaul@chromium.org> (raw)
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 --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 */
--
2.5.0.rc2.392.g76e840b
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next reply other threads:[~2015-08-12 15:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 15:12 Sean Paul [this message]
2015-08-12 15:12 ` [PATCH 2/2] drm: mipi: Add software-calculated ECC & CRC flags Sean Paul
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