video: tegra: dc: Increase HPD debounce to 500ms
Aly Hirani [Wed, 15 Feb 2017 21:17:07 +0000 (13:17 -0800)]
Now that we do have a proper EDID recheck mechanism in the event of a
quick hotplug, the HPD debounce interval can be increased. Setting to
500ms to match the dGPU behavior.

Bug 1870842

Change-Id: I784df47578e058b2a55131f1e5dfc41551ce5597
Signed-off-by: Aly Hirani <ahirani@nvidia.com>
Reviewed-on: http://git-master/r/1305645
Reviewed-by: Mitch Luban <mluban@nvidia.com>
Reviewed-by: Manish Tuteja <mtuteja@nvidia.com>
Tested-by: Manish Tuteja <mtuteja@nvidia.com>

drivers/video/tegra/dc/hdmi2.0.h

index 972c381..70b3e74 100644 (file)
@@ -17,7 +17,7 @@
 #ifndef __DRIVERS_VIDEO_TEGRA_DC_HDMI2_0_H__
 #define __DRIVERS_VIDEO_TEGRA_DC_HDMI2_0_H__
 
-#define HDMI_HPD_DEBOUNCE_DELAY_MS     (100)
+#define HDMI_HPD_DEBOUNCE_DELAY_MS     (500)
 #define HDMI_SCDC_MONITOR_TIMEOUT_MS   (5000)
 #define HDMI_EDID_MAX_LENGTH 512
 #define HDMI_HPD_DROP_TIMEOUT_MS       (1500)