Lines Matching +full:activate +full:- +full:to +full:- +full:activate
1 .. SPDX-License-Identifier: GPL-2.0+
8 supports in-memory framebuffers with the DisplayPort DMA controller
9 (xilinx-dpdma), as well as "live" video and audio from the programmable logic
15 -------
17 To support debugging and compliance testing, several test modes can be enabled
18 though debugfs. The following files in /sys/kernel/debug/dri/X/DP-1/test/
22 Writing a 1 to this file will activate test mode, and writing a 0 will
24 active/inactive will re-activate/re-deactivate test mode. When test
25 mode is inactive, changes made to other files will have no (immediate)
27 activated. When test mode is active, changes made to other files will
34 Enable/disable clock downspreading (spread-spectrum clocking) by
41 Ignore AUX errors when set to 1. Writes to this file take effect
47 retraining requests) when set to 1. Writes to this file take effect
51 Preemphasis from 0 (lowest) to 2 (highest) for lane X
54 Voltage swing from 0 (lowest) to 3 (highest) for lane X
57 Number of lanes to use (1, 2, or 4)
65 symbol-error
71 80bit-custom
72 A custom 80-bit pattern
95 for prop in /sys/kernel/debug/dri/1/DP-1/test/*; do
96 printf '%-17s ' ${prop##*/}
98 hexdump -C $prop | head -1
120 The recommended test procedure is to connect the board to a monitor,
121 configure test mode, activate test mode, and then disconnect the cable
122 and connect it to your test equipment of choice. For example, one
125 echo 1 > /sys/kernel/debug/dri/1/DP-1/test/enhanced
126 echo tps1 > /sys/kernel/debug/dri/1/DP-1/test/pattern
127 echo 1620000000 > /sys/kernel/debug/dri/1/DP-1/test/rate
128 echo 1 > /sys/kernel/debug/dri/1/DP-1/test/ignore_aux_errors
129 echo 1 > /sys/kernel/debug/dri/1/DP-1/test/ignore_hpd
130 echo 1 > /sys/kernel/debug/dri/1/DP-1/test/active
135 ---------
137 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_disp.h
139 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_dpsub.h
141 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_kms.h
143 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_disp.c
145 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_dp.c
147 .. kernel-doc:: drivers/gpu/drm/xlnx/zynqmp_kms.c