mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-06-10 09:26:10 +00:00
lib: add the ability to set an EDID data block on a connector
Add a function to set an EDID data block on a connector and include a set of generic EDID blocks for testing. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
This commit is contained in:
Thomas Wood
parent
37ffb22d3c
commit
13cd79c128
@ -25,6 +25,7 @@
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<xi:include href="xml/intel_batchbuffer.xml"/>
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<xi:include href="xml/intel_chipset.xml"/>
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<xi:include href="xml/intel_io.xml"/>
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<xi:include href="xml/igt_edid.xml"/>
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</chapter>
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<index id="api-index-full">
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@ -40,6 +40,7 @@ libintel_tools_la_SOURCES = \
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intel_iosf.c \
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igt_kms.c \
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igt_kms.h \
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igt_edid.h \
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igt_fb.c \
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igt_fb.h \
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igt_core.c \
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125
lib/igt_edid.h
Normal file
125
lib/igt_edid.h
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@ -0,0 +1,125 @@
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/*
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* generic edid taken from Linux, drivers/gpu/drm/drm_edid_load.c:
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*
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*
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drm_edid_load.c: use a built-in EDID data set or load it via the firmware
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interface
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Copyright (C) 2012 Carsten Emde <C.Emde@osadl.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __IGT_EDID_H__
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#define __IGT_EDID_H__
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#include "igt_kms.h"
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#define EDID_LENGTH 128
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static const unsigned char generic_edid[MAX_EDIDS][EDID_LENGTH] = {
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{
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
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0x31, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x16, 0x01, 0x03, 0x6d, 0x23, 0x1a, 0x78,
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0xea, 0x5e, 0xc0, 0xa4, 0x59, 0x4a, 0x98, 0x25,
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0x20, 0x50, 0x54, 0x00, 0x08, 0x00, 0x61, 0x40,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x64, 0x19,
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0x00, 0x40, 0x41, 0x00, 0x26, 0x30, 0x08, 0x90,
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0x36, 0x00, 0x63, 0x0a, 0x11, 0x00, 0x00, 0x18,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x4c, 0x69, 0x6e,
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0x75, 0x78, 0x20, 0x23, 0x30, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x3b,
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0x3d, 0x2f, 0x31, 0x07, 0x00, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
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0x00, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x58,
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0x47, 0x41, 0x0a, 0x20, 0x20, 0x20, 0x00, 0x55,
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},
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{
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
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0x31, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x16, 0x01, 0x03, 0x6d, 0x2c, 0x23, 0x78,
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0xea, 0x5e, 0xc0, 0xa4, 0x59, 0x4a, 0x98, 0x25,
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0x20, 0x50, 0x54, 0x00, 0x00, 0x00, 0x81, 0x80,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x30, 0x2a,
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0x00, 0x98, 0x51, 0x00, 0x2a, 0x40, 0x30, 0x70,
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0x13, 0x00, 0xbc, 0x63, 0x11, 0x00, 0x00, 0x1e,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x4c, 0x69, 0x6e,
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0x75, 0x78, 0x20, 0x23, 0x30, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x3b,
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0x3d, 0x3e, 0x40, 0x0b, 0x00, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
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0x00, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x53,
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0x58, 0x47, 0x41, 0x0a, 0x20, 0x20, 0x00, 0xa0,
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},
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{
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
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0x31, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x16, 0x01, 0x03, 0x6d, 0x37, 0x29, 0x78,
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0xea, 0x5e, 0xc0, 0xa4, 0x59, 0x4a, 0x98, 0x25,
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0x20, 0x50, 0x54, 0x00, 0x00, 0x00, 0xa9, 0x40,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x48, 0x3f,
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0x40, 0x30, 0x62, 0xb0, 0x32, 0x40, 0x40, 0xc0,
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0x13, 0x00, 0x2b, 0xa0, 0x21, 0x00, 0x00, 0x1e,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x4c, 0x69, 0x6e,
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0x75, 0x78, 0x20, 0x23, 0x30, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x3b,
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0x3d, 0x4a, 0x4c, 0x11, 0x00, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
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0x00, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x55,
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0x58, 0x47, 0x41, 0x0a, 0x20, 0x20, 0x00, 0x9d,
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},
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{
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
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0x31, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x16, 0x01, 0x03, 0x6d, 0x2b, 0x1b, 0x78,
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0xea, 0x5e, 0xc0, 0xa4, 0x59, 0x4a, 0x98, 0x25,
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0x20, 0x50, 0x54, 0x00, 0x00, 0x00, 0xb3, 0x00,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x21, 0x39,
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0x90, 0x30, 0x62, 0x1a, 0x27, 0x40, 0x68, 0xb0,
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0x36, 0x00, 0xb5, 0x11, 0x11, 0x00, 0x00, 0x1e,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x4c, 0x69, 0x6e,
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0x75, 0x78, 0x20, 0x23, 0x30, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x3b,
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0x3d, 0x40, 0x42, 0x0f, 0x00, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
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0x00, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x57,
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0x53, 0x58, 0x47, 0x41, 0x0a, 0x20, 0x00, 0x26,
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},
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{
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
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0x31, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x16, 0x01, 0x03, 0x6d, 0x32, 0x1c, 0x78,
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0xea, 0x5e, 0xc0, 0xa4, 0x59, 0x4a, 0x98, 0x25,
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0x20, 0x50, 0x54, 0x00, 0x00, 0x00, 0xd1, 0xc0,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a,
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0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
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0x45, 0x00, 0xf4, 0x19, 0x11, 0x00, 0x00, 0x1e,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x4c, 0x69, 0x6e,
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0x75, 0x78, 0x20, 0x23, 0x30, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x3b,
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0x3d, 0x42, 0x44, 0x0f, 0x00, 0x0a, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
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0x00, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x46,
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0x48, 0x44, 0x0a, 0x20, 0x20, 0x20, 0x00, 0x05,
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}
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};
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#endif /* __IGT_EDID_H__ */
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@ -408,6 +408,20 @@ static int get_card_number(int fd)
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return minor(buf.st_rdev) & 0x3f;
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}
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static char* get_debugfs_connector_path(int drm_fd, drmModeConnector *connector,
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const char *file)
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{
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char *path;
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asprintf(&path, "/sys/kernel/debug/dri/%d/%s-%d/%s",
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get_card_number(drm_fd),
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kmstest_connector_type_str(connector->connector_type),
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connector->connector_type_id,
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file);
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return path;
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}
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/**
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* kmstest_force_connector:
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* @fd: drm file descriptor
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@ -440,10 +454,7 @@ void kmstest_force_connector(int drm_fd, drmModeConnector *connector, enum
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break;
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}
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asprintf(&path, "/sys/kernel/debug/dri/%d/%s-%d/force",
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get_card_number(drm_fd),
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kmstest_connector_type_str(connector->connector_type),
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connector->connector_type_id);
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path = get_debugfs_connector_path(drm_fd, connector, "force");
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debugfs_fd = open(path, O_WRONLY | O_TRUNC);
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free(path);
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@ -455,6 +466,37 @@ void kmstest_force_connector(int drm_fd, drmModeConnector *connector, enum
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igt_assert(ret != -1);
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}
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/**
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* kmstest_force_edid:
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* @drm_fd: drm file descriptor
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* @connector: connector to set @edid on
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* @edid: An EDID data block
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* @length: length of the EDID data. #EDID_LENGTH defines the standard EDID
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* length
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*
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* Set the EDID data on @connector to @edid. See #generic_edid and
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* #kmstest_generic_edid for a set of generic EDID data blocks.
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*/
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void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
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const unsigned char *edid, size_t length)
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{
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char *path;
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int debugfs_fd, ret;
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path = get_debugfs_connector_path(drm_fd, connector, "edid_override");
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debugfs_fd = open(path, O_WRONLY | O_TRUNC);
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free(path);
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igt_assert(debugfs_fd != -1);
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ret = write(debugfs_fd, edid, length);
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close(debugfs_fd);
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igt_assert(ret != -1);
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}
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void kmstest_free_connector_config(struct kmstest_connector_config *config)
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{
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drmModeFreeCrtc(config->crtc);
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@ -96,6 +96,27 @@ enum kmstest_force_connector_state {
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FORCE_CONNECTOR_OFF
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};
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/**
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* kmstest_generic_edid:
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* @EDID_XGA: 1024x768
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* @EDID_SXGA: 1280x1024
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* @EDID_UXGA: 1600x1200
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* @EDID_WSXGA: 1680x1050
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* @EDID_FHD: 1920x1080
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* @MAX_EDIDS: Size of #generic_edid array
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*/
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enum kmstest_generic_edid {
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EDID_XGA, /* 1024x768 */
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EDID_SXGA, /* 1280x1024 */
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EDID_UXGA, /* 1600x1200 */
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EDID_WSXGA, /* 1680x1050 */
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EDID_FHD, /* 1920x1080 */
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MAX_EDIDS
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};
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int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
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drmModeModeInfo *mode);
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int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
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@ -103,6 +124,8 @@ int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
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struct kmstest_connector_config *config);
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void kmstest_force_connector(int fd, drmModeConnector *connector,
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enum kmstest_force_connector_state state);
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void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
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const unsigned char *edid, size_t length);
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void kmstest_free_connector_config(struct kmstest_connector_config *config);
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void kmstest_dump_mode(drmModeModeInfo *mode);
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@ -25,6 +25,7 @@
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#include "igt_core.h"
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#include "igt_kms.h"
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#include "drmtest.h"
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#include "igt_edid.h"
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int
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main (int argc, char **argv)
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@ -68,6 +69,29 @@ main (int argc, char **argv)
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igt_display_init(&display, drm_fd);
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igt_display_commit(&display);
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/* test edid forcing */
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kmstest_force_edid(drm_fd, connector, generic_edid[EDID_FHD],
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EDID_LENGTH);
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temp = drmModeGetConnector(drm_fd, connector->connector_id);
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igt_assert(temp->count_modes == 1);
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igt_assert(temp->modes[0].vrefresh == 60
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&& temp->modes[0].hdisplay == 1920
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&& temp->modes[0].vdisplay == 1080);
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drmModeFreeConnector(temp);
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/* custom edid */
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kmstest_force_edid(drm_fd, connector, generic_edid[EDID_WSXGA],
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EDID_LENGTH);
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temp = drmModeGetConnector(drm_fd, connector->connector_id);
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igt_assert(temp->count_modes == 1);
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igt_assert(temp->modes[0].vrefresh == 60
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&& temp->modes[0].hdisplay == 1680
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&& temp->modes[0].vdisplay == 1050);
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drmModeFreeConnector(temp);
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/* force the connector off */
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kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_OFF);
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