Lines Matching +full:aux +full:- +full:output +full:- +full:enable

1 .. SPDX-License-Identifier: GPL-2.0+
7 This subsystem handles DisplayPort video and audio output on the ZynqMP. It
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 -------
18 though debugfs. The following files in /sys/kernel/debug/dri/X/DP-1/test/
24         active/inactive will re-activate/re-deactivate test mode. When test
34         Enable/disable clock downspreading (spread-spectrum clocking) by
38         Enable/disable enhanced framing
41         Ignore AUX errors when set to 1. Writes to this file take effect
43         AUX transfers.
65                 symbol-error
69                         Output of the PRBS7 (x^7 + x^6 + 1) polynomial
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
104 The output could look something like::
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