a39ed680bd
The tiled 5K Dell monitor appears to be hiding it's tiled mode inside the displayid timings block, this patch parses this blocks and adds the modes to the modelist. v1.1: add missing __packed. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95207 Signed-off-by: Dave Airlie <airlied@redhat.com>
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
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* Copyright © 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DRM_DISPLAYID_H
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#define DRM_DISPLAYID_H
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#define DATA_BLOCK_PRODUCT_ID 0x00
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#define DATA_BLOCK_DISPLAY_PARAMETERS 0x01
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#define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02
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#define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03
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#define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04
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#define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05
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#define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06
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#define DATA_BLOCK_VESA_TIMING 0x07
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#define DATA_BLOCK_CEA_TIMING 0x08
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#define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09
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#define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a
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#define DATA_BLOCK_GP_ASCII_STRING 0x0b
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#define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c
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#define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d
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#define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e
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#define DATA_BLOCK_DISPLAY_INTERFACE 0x0f
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#define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10
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#define DATA_BLOCK_TILED_DISPLAY 0x12
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#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f
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#define PRODUCT_TYPE_EXTENSION 0
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#define PRODUCT_TYPE_TEST 1
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#define PRODUCT_TYPE_PANEL 2
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#define PRODUCT_TYPE_MONITOR 3
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#define PRODUCT_TYPE_TV 4
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#define PRODUCT_TYPE_REPEATER 5
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#define PRODUCT_TYPE_DIRECT_DRIVE 6
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struct displayid_hdr {
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u8 rev;
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u8 bytes;
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u8 prod_id;
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u8 ext_count;
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} __packed;
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struct displayid_block {
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u8 tag;
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u8 rev;
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u8 num_bytes;
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} __packed;
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struct displayid_tiled_block {
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struct displayid_block base;
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u8 tile_cap;
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u8 topo[3];
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u8 tile_size[4];
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u8 tile_pixel_bezel[5];
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u8 topology_id[8];
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} __packed;
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struct displayid_detailed_timings_1 {
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u8 pixel_clock[3];
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u8 flags;
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u8 hactive[2];
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u8 hblank[2];
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u8 hsync[2];
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u8 hsw[2];
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u8 vactive[2];
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u8 vblank[2];
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u8 vsync[2];
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u8 vsw[2];
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} __packed;
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struct displayid_detailed_timing_block {
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struct displayid_block base;
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struct displayid_detailed_timings_1 timings[0];
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};
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#endif
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