FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-28 04:17:47 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

gpu: host1x: mipi: Clear calibration status

Browse Source 
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: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2015-04-08 17:17:44 +02:00
parent 8ed5c06232
commit 2ed264bf91
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/host1x/mipi.c
View File

@ -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);