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Commit 2ed264bf authored by Thierry Reding's avatar Thierry Reding
Browse files

gpu: host1x: mipi: Clear calibration status 



Before starting a new calibration cycle, make sure to clear the current
status by writing a 1 to the various "calibration done" bits.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 8ed5c062

drivers/gpu/host1x/mipi.c

+4 −0
Original line number Diff line number Diff line
@@ -279,6 +279,10 @@ int tegra_mipi_calibrate(struct tegra_mipi_device *device) 


	tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);



	/* clear any pending status bits */

	value = tegra_mipi_readl(device->mipi, MIPI_CAL_STATUS);

	tegra_mipi_writel(device->mipi, value, MIPI_CAL_STATUS);



	value = tegra_mipi_readl(device->mipi, MIPI_CAL_CTRL);

	value |= MIPI_CAL_CTRL_START;

	tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);