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TOMOYO Linux Cross Reference
Linux/include/drm/drm_edid.h

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /include/drm/drm_edid.h (Version linux-6.12-rc7) and /include/drm/drm_edid.h (Version linux-5.19.17)


  1 /*                                                  1 /*
  2  * Copyright © 2007-2008 Intel Corporation         2  * Copyright © 2007-2008 Intel Corporation
  3  *   Jesse Barnes <jesse.barnes@intel.com>          3  *   Jesse Barnes <jesse.barnes@intel.com>
  4  *                                                  4  *
  5  * Permission is hereby granted, free of charg      5  * Permission is hereby granted, free of charge, to any person obtaining a
  6  * copy of this software and associated docume      6  * copy of this software and associated documentation files (the "Software"),
  7  * to deal in the Software without restriction      7  * to deal in the Software without restriction, including without limitation
  8  * the rights to use, copy, modify, merge, pub      8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9  * and/or sell copies of the Software, and to       9  * and/or sell copies of the Software, and to permit persons to whom the
 10  * Software is furnished to do so, subject to      10  * Software is furnished to do so, subject to the following conditions:
 11  *                                                 11  *
 12  * The above copyright notice and this permiss     12  * The above copyright notice and this permission notice shall be included in
 13  * all copies or substantial portions of the S     13  * all copies or substantial portions of the Software.
 14  *                                                 14  *
 15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE W     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINF     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIA     18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CO     19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20  * ARISING FROM, OUT OF OR IN CONNECTION WITH      20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21  * OTHER DEALINGS IN THE SOFTWARE.                 21  * OTHER DEALINGS IN THE SOFTWARE.
 22  */                                                22  */
 23 #ifndef __DRM_EDID_H__                             23 #ifndef __DRM_EDID_H__
 24 #define __DRM_EDID_H__                             24 #define __DRM_EDID_H__
 25                                                    25 
 26 #include <linux/types.h>                           26 #include <linux/types.h>
                                                   >>  27 #include <linux/hdmi.h>
                                                   >>  28 #include <drm/drm_mode.h>
 27                                                    29 
 28 enum hdmi_quantization_range;                  << 
 29 struct drm_connector;                          << 
 30 struct drm_device;                                 30 struct drm_device;
 31 struct drm_display_mode;                       << 
 32 struct drm_edid;                               << 
 33 struct drm_printer;                            << 
 34 struct hdmi_avi_infoframe;                     << 
 35 struct hdmi_vendor_infoframe;                  << 
 36 struct i2c_adapter;                                31 struct i2c_adapter;
 37                                                    32 
 38 #define EDID_LENGTH 128                            33 #define EDID_LENGTH 128
 39 #define DDC_ADDR 0x50                              34 #define DDC_ADDR 0x50
 40 #define DDC_ADDR2 0x52 /* E-DDC 1.2 - where Di     35 #define DDC_ADDR2 0x52 /* E-DDC 1.2 - where DisplayID can hide */
 41                                                    36 
 42 #define CEA_EXT     0x02                           37 #define CEA_EXT     0x02
 43 #define VTB_EXT     0x10                           38 #define VTB_EXT     0x10
 44 #define DI_EXT      0x40                           39 #define DI_EXT      0x40
 45 #define LS_EXT      0x50                           40 #define LS_EXT      0x50
 46 #define MI_EXT      0x60                           41 #define MI_EXT      0x60
 47 #define DISPLAYID_EXT 0x70                         42 #define DISPLAYID_EXT 0x70
 48                                                    43 
 49 struct est_timings {                               44 struct est_timings {
 50         u8 t1;                                     45         u8 t1;
 51         u8 t2;                                     46         u8 t2;
 52         u8 mfg_rsvd;                               47         u8 mfg_rsvd;
 53 } __packed;                                    !!  48 } __attribute__((packed));
 54                                                    49 
 55 /* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */            50 /* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */
 56 #define EDID_TIMING_ASPECT_SHIFT 6                 51 #define EDID_TIMING_ASPECT_SHIFT 6
 57 #define EDID_TIMING_ASPECT_MASK  (0x3 << EDID_     52 #define EDID_TIMING_ASPECT_MASK  (0x3 << EDID_TIMING_ASPECT_SHIFT)
 58                                                    53 
 59 /* need to add 60 */                               54 /* need to add 60 */
 60 #define EDID_TIMING_VFREQ_SHIFT  0                 55 #define EDID_TIMING_VFREQ_SHIFT  0
 61 #define EDID_TIMING_VFREQ_MASK   (0x3f << EDID     56 #define EDID_TIMING_VFREQ_MASK   (0x3f << EDID_TIMING_VFREQ_SHIFT)
 62                                                    57 
 63 struct std_timing {                                58 struct std_timing {
 64         u8 hsize; /* need to multiply by 8 the     59         u8 hsize; /* need to multiply by 8 then add 248 */
 65         u8 vfreq_aspect;                           60         u8 vfreq_aspect;
 66 } __packed;                                    !!  61 } __attribute__((packed));
 67                                                    62 
 68 #define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1)        63 #define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1)
 69 #define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2)        64 #define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2)
 70 #define DRM_EDID_PT_SEPARATE_SYNC  (3 << 3)        65 #define DRM_EDID_PT_SEPARATE_SYNC  (3 << 3)
 71 #define DRM_EDID_PT_STEREO         (1 << 5)        66 #define DRM_EDID_PT_STEREO         (1 << 5)
 72 #define DRM_EDID_PT_INTERLACED     (1 << 7)        67 #define DRM_EDID_PT_INTERLACED     (1 << 7)
 73                                                    68 
 74 /* If detailed data is pixel timing */             69 /* If detailed data is pixel timing */
 75 struct detailed_pixel_timing {                     70 struct detailed_pixel_timing {
 76         u8 hactive_lo;                             71         u8 hactive_lo;
 77         u8 hblank_lo;                              72         u8 hblank_lo;
 78         u8 hactive_hblank_hi;                      73         u8 hactive_hblank_hi;
 79         u8 vactive_lo;                             74         u8 vactive_lo;
 80         u8 vblank_lo;                              75         u8 vblank_lo;
 81         u8 vactive_vblank_hi;                      76         u8 vactive_vblank_hi;
 82         u8 hsync_offset_lo;                        77         u8 hsync_offset_lo;
 83         u8 hsync_pulse_width_lo;                   78         u8 hsync_pulse_width_lo;
 84         u8 vsync_offset_pulse_width_lo;            79         u8 vsync_offset_pulse_width_lo;
 85         u8 hsync_vsync_offset_pulse_width_hi;      80         u8 hsync_vsync_offset_pulse_width_hi;
 86         u8 width_mm_lo;                            81         u8 width_mm_lo;
 87         u8 height_mm_lo;                           82         u8 height_mm_lo;
 88         u8 width_height_mm_hi;                     83         u8 width_height_mm_hi;
 89         u8 hborder;                                84         u8 hborder;
 90         u8 vborder;                                85         u8 vborder;
 91         u8 misc;                                   86         u8 misc;
 92 } __packed;                                    !!  87 } __attribute__((packed));
 93                                                    88 
 94 /* If it's not pixel timing, it'll be one of t     89 /* If it's not pixel timing, it'll be one of the below */
 95 struct detailed_data_string {                      90 struct detailed_data_string {
 96         u8 str[13];                                91         u8 str[13];
 97 } __packed;                                    !!  92 } __attribute__((packed));
 98                                                    93 
 99 #define DRM_EDID_RANGE_OFFSET_MIN_VFREQ (1 <<  !!  94 #define DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG   0x00
100 #define DRM_EDID_RANGE_OFFSET_MAX_VFREQ (1 <<  !!  95 #define DRM_EDID_RANGE_LIMITS_ONLY_FLAG     0x01
101 #define DRM_EDID_RANGE_OFFSET_MIN_HFREQ (1 <<  !!  96 #define DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG 0x02
102 #define DRM_EDID_RANGE_OFFSET_MAX_HFREQ (1 <<  !!  97 #define DRM_EDID_CVT_SUPPORT_FLAG           0x04
103                                                << 
104 #define DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG   0x << 
105 #define DRM_EDID_RANGE_LIMITS_ONLY_FLAG     0x << 
106 #define DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG 0x << 
107 #define DRM_EDID_CVT_SUPPORT_FLAG           0x << 
108                                                << 
109 #define DRM_EDID_CVT_FLAGS_STANDARD_BLANKING ( << 
110 #define DRM_EDID_CVT_FLAGS_REDUCED_BLANKING  ( << 
111                                                    98 
112 struct detailed_data_monitor_range {               99 struct detailed_data_monitor_range {
113         u8 min_vfreq;                             100         u8 min_vfreq;
114         u8 max_vfreq;                             101         u8 max_vfreq;
115         u8 min_hfreq_khz;                         102         u8 min_hfreq_khz;
116         u8 max_hfreq_khz;                         103         u8 max_hfreq_khz;
117         u8 pixel_clock_mhz; /* need to multipl    104         u8 pixel_clock_mhz; /* need to multiply by 10 */
118         u8 flags;                                 105         u8 flags;
119         union {                                   106         union {
120                 struct {                          107                 struct {
121                         u8 reserved;              108                         u8 reserved;
122                         u8 hfreq_start_khz; /*    109                         u8 hfreq_start_khz; /* need to multiply by 2 */
123                         u8 c; /* need to divid    110                         u8 c; /* need to divide by 2 */
124                         __le16 m;                 111                         __le16 m;
125                         u8 k;                     112                         u8 k;
126                         u8 j; /* need to divid    113                         u8 j; /* need to divide by 2 */
127                 } __packed gtf2;               !! 114                 } __attribute__((packed)) gtf2;
128                 struct {                          115                 struct {
129                         u8 version;               116                         u8 version;
130                         u8 data1; /* high 6 bi    117                         u8 data1; /* high 6 bits: extra clock resolution */
131                         u8 data2; /* plus low     118                         u8 data2; /* plus low 2 of above: max hactive */
132                         u8 supported_aspects;     119                         u8 supported_aspects;
133                         u8 flags; /* preferred    120                         u8 flags; /* preferred aspect and blanking support */
134                         u8 supported_scalings;    121                         u8 supported_scalings;
135                         u8 preferred_refresh;     122                         u8 preferred_refresh;
136                 } __packed cvt;                !! 123                 } __attribute__((packed)) cvt;
137         } __packed formula;                    !! 124         } __attribute__((packed)) formula;
138 } __packed;                                    !! 125 } __attribute__((packed));
139                                                   126 
140 struct detailed_data_wpindex {                    127 struct detailed_data_wpindex {
141         u8 white_yx_lo; /* Lower 2 bits each *    128         u8 white_yx_lo; /* Lower 2 bits each */
142         u8 white_x_hi;                            129         u8 white_x_hi;
143         u8 white_y_hi;                            130         u8 white_y_hi;
144         u8 gamma; /* need to divide by 100 the    131         u8 gamma; /* need to divide by 100 then add 1 */
145 } __packed;                                    !! 132 } __attribute__((packed));
146                                                   133 
147 struct detailed_data_color_point {                134 struct detailed_data_color_point {
148         u8 windex1;                               135         u8 windex1;
149         u8 wpindex1[3];                           136         u8 wpindex1[3];
150         u8 windex2;                               137         u8 windex2;
151         u8 wpindex2[3];                           138         u8 wpindex2[3];
152 } __packed;                                    !! 139 } __attribute__((packed));
153                                                   140 
154 struct cvt_timing {                               141 struct cvt_timing {
155         u8 code[3];                               142         u8 code[3];
156 } __packed;                                    !! 143 } __attribute__((packed));
157                                                   144 
158 struct detailed_non_pixel {                       145 struct detailed_non_pixel {
159         u8 pad1;                                  146         u8 pad1;
160         u8 type; /* ff=serial, fe=string, fd=m    147         u8 type; /* ff=serial, fe=string, fd=monitor range, fc=monitor name
161                     fb=color point data, fa=st    148                     fb=color point data, fa=standard timing data,
162                     f9=undefined, f8=mfg. rese    149                     f9=undefined, f8=mfg. reserved */
163         u8 pad2;                                  150         u8 pad2;
164         union {                                   151         union {
165                 struct detailed_data_string st    152                 struct detailed_data_string str;
166                 struct detailed_data_monitor_r    153                 struct detailed_data_monitor_range range;
167                 struct detailed_data_wpindex c    154                 struct detailed_data_wpindex color;
168                 struct std_timing timings[6];     155                 struct std_timing timings[6];
169                 struct cvt_timing cvt[4];         156                 struct cvt_timing cvt[4];
170         } __packed data;                       !! 157         } __attribute__((packed)) data;
171 } __packed;                                    !! 158 } __attribute__((packed));
172                                                   159 
173 #define EDID_DETAIL_EST_TIMINGS 0xf7              160 #define EDID_DETAIL_EST_TIMINGS 0xf7
174 #define EDID_DETAIL_CVT_3BYTE 0xf8                161 #define EDID_DETAIL_CVT_3BYTE 0xf8
175 #define EDID_DETAIL_COLOR_MGMT_DATA 0xf9          162 #define EDID_DETAIL_COLOR_MGMT_DATA 0xf9
176 #define EDID_DETAIL_STD_MODES 0xfa                163 #define EDID_DETAIL_STD_MODES 0xfa
177 #define EDID_DETAIL_MONITOR_CPDATA 0xfb           164 #define EDID_DETAIL_MONITOR_CPDATA 0xfb
178 #define EDID_DETAIL_MONITOR_NAME 0xfc             165 #define EDID_DETAIL_MONITOR_NAME 0xfc
179 #define EDID_DETAIL_MONITOR_RANGE 0xfd            166 #define EDID_DETAIL_MONITOR_RANGE 0xfd
180 #define EDID_DETAIL_MONITOR_STRING 0xfe           167 #define EDID_DETAIL_MONITOR_STRING 0xfe
181 #define EDID_DETAIL_MONITOR_SERIAL 0xff           168 #define EDID_DETAIL_MONITOR_SERIAL 0xff
182                                                   169 
183 struct detailed_timing {                          170 struct detailed_timing {
184         __le16 pixel_clock; /* need to multipl    171         __le16 pixel_clock; /* need to multiply by 10 KHz */
185         union {                                   172         union {
186                 struct detailed_pixel_timing p    173                 struct detailed_pixel_timing pixel_data;
187                 struct detailed_non_pixel othe    174                 struct detailed_non_pixel other_data;
188         } __packed data;                       !! 175         } __attribute__((packed)) data;
189 } __packed;                                    !! 176 } __attribute__((packed));
190                                                   177 
191 #define DRM_EDID_INPUT_SERRATION_VSYNC (1 << 0    178 #define DRM_EDID_INPUT_SERRATION_VSYNC (1 << 0)
192 #define DRM_EDID_INPUT_SYNC_ON_GREEN   (1 << 1    179 #define DRM_EDID_INPUT_SYNC_ON_GREEN   (1 << 1)
193 #define DRM_EDID_INPUT_COMPOSITE_SYNC  (1 << 2    180 #define DRM_EDID_INPUT_COMPOSITE_SYNC  (1 << 2)
194 #define DRM_EDID_INPUT_SEPARATE_SYNCS  (1 << 3    181 #define DRM_EDID_INPUT_SEPARATE_SYNCS  (1 << 3)
195 #define DRM_EDID_INPUT_BLANK_TO_BLACK  (1 << 4    182 #define DRM_EDID_INPUT_BLANK_TO_BLACK  (1 << 4)
196 #define DRM_EDID_INPUT_VIDEO_LEVEL     (3 << 5    183 #define DRM_EDID_INPUT_VIDEO_LEVEL     (3 << 5)
197 #define DRM_EDID_INPUT_DIGITAL         (1 << 7    184 #define DRM_EDID_INPUT_DIGITAL         (1 << 7)
198 #define DRM_EDID_DIGITAL_DEPTH_MASK    (7 << 4    185 #define DRM_EDID_DIGITAL_DEPTH_MASK    (7 << 4) /* 1.4 */
199 #define DRM_EDID_DIGITAL_DEPTH_UNDEF   (0 << 4    186 #define DRM_EDID_DIGITAL_DEPTH_UNDEF   (0 << 4) /* 1.4 */
200 #define DRM_EDID_DIGITAL_DEPTH_6       (1 << 4    187 #define DRM_EDID_DIGITAL_DEPTH_6       (1 << 4) /* 1.4 */
201 #define DRM_EDID_DIGITAL_DEPTH_8       (2 << 4    188 #define DRM_EDID_DIGITAL_DEPTH_8       (2 << 4) /* 1.4 */
202 #define DRM_EDID_DIGITAL_DEPTH_10      (3 << 4    189 #define DRM_EDID_DIGITAL_DEPTH_10      (3 << 4) /* 1.4 */
203 #define DRM_EDID_DIGITAL_DEPTH_12      (4 << 4    190 #define DRM_EDID_DIGITAL_DEPTH_12      (4 << 4) /* 1.4 */
204 #define DRM_EDID_DIGITAL_DEPTH_14      (5 << 4    191 #define DRM_EDID_DIGITAL_DEPTH_14      (5 << 4) /* 1.4 */
205 #define DRM_EDID_DIGITAL_DEPTH_16      (6 << 4    192 #define DRM_EDID_DIGITAL_DEPTH_16      (6 << 4) /* 1.4 */
206 #define DRM_EDID_DIGITAL_DEPTH_RSVD    (7 << 4    193 #define DRM_EDID_DIGITAL_DEPTH_RSVD    (7 << 4) /* 1.4 */
207 #define DRM_EDID_DIGITAL_TYPE_MASK     (7 << 0    194 #define DRM_EDID_DIGITAL_TYPE_MASK     (7 << 0) /* 1.4 */
208 #define DRM_EDID_DIGITAL_TYPE_UNDEF    (0 << 0    195 #define DRM_EDID_DIGITAL_TYPE_UNDEF    (0 << 0) /* 1.4 */
209 #define DRM_EDID_DIGITAL_TYPE_DVI      (1 << 0    196 #define DRM_EDID_DIGITAL_TYPE_DVI      (1 << 0) /* 1.4 */
210 #define DRM_EDID_DIGITAL_TYPE_HDMI_A   (2 << 0    197 #define DRM_EDID_DIGITAL_TYPE_HDMI_A   (2 << 0) /* 1.4 */
211 #define DRM_EDID_DIGITAL_TYPE_HDMI_B   (3 << 0    198 #define DRM_EDID_DIGITAL_TYPE_HDMI_B   (3 << 0) /* 1.4 */
212 #define DRM_EDID_DIGITAL_TYPE_MDDI     (4 << 0    199 #define DRM_EDID_DIGITAL_TYPE_MDDI     (4 << 0) /* 1.4 */
213 #define DRM_EDID_DIGITAL_TYPE_DP       (5 << 0    200 #define DRM_EDID_DIGITAL_TYPE_DP       (5 << 0) /* 1.4 */
214 #define DRM_EDID_DIGITAL_DFP_1_X       (1 << 0    201 #define DRM_EDID_DIGITAL_DFP_1_X       (1 << 0) /* 1.3 */
215                                                   202 
216 #define DRM_EDID_FEATURE_DEFAULT_GTF      (1 < !! 203 #define DRM_EDID_FEATURE_DEFAULT_GTF      (1 << 0)
217 #define DRM_EDID_FEATURE_CONTINUOUS_FREQ  (1 < << 
218 #define DRM_EDID_FEATURE_PREFERRED_TIMING (1 <    204 #define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1)
219 #define DRM_EDID_FEATURE_STANDARD_COLOR   (1 <    205 #define DRM_EDID_FEATURE_STANDARD_COLOR   (1 << 2)
220 /* If analog */                                   206 /* If analog */
221 #define DRM_EDID_FEATURE_DISPLAY_TYPE     (3 <    207 #define DRM_EDID_FEATURE_DISPLAY_TYPE     (3 << 3) /* 00=mono, 01=rgb, 10=non-rgb, 11=unknown */
222 /* If digital */                                  208 /* If digital */
223 #define DRM_EDID_FEATURE_COLOR_MASK       (3 <    209 #define DRM_EDID_FEATURE_COLOR_MASK       (3 << 3)
224 #define DRM_EDID_FEATURE_RGB              (0 <    210 #define DRM_EDID_FEATURE_RGB              (0 << 3)
225 #define DRM_EDID_FEATURE_RGB_YCRCB444     (1 <    211 #define DRM_EDID_FEATURE_RGB_YCRCB444     (1 << 3)
226 #define DRM_EDID_FEATURE_RGB_YCRCB422     (2 <    212 #define DRM_EDID_FEATURE_RGB_YCRCB422     (2 << 3)
227 #define DRM_EDID_FEATURE_RGB_YCRCB        (3 <    213 #define DRM_EDID_FEATURE_RGB_YCRCB        (3 << 3) /* both 4:4:4 and 4:2:2 */
228                                                   214 
229 #define DRM_EDID_FEATURE_PM_ACTIVE_OFF    (1 <    215 #define DRM_EDID_FEATURE_PM_ACTIVE_OFF    (1 << 5)
230 #define DRM_EDID_FEATURE_PM_SUSPEND       (1 <    216 #define DRM_EDID_FEATURE_PM_SUSPEND       (1 << 6)
231 #define DRM_EDID_FEATURE_PM_STANDBY       (1 <    217 #define DRM_EDID_FEATURE_PM_STANDBY       (1 << 7)
232                                                   218 
233 #define DRM_EDID_HDMI_DC_48               (1 <    219 #define DRM_EDID_HDMI_DC_48               (1 << 6)
234 #define DRM_EDID_HDMI_DC_36               (1 <    220 #define DRM_EDID_HDMI_DC_36               (1 << 5)
235 #define DRM_EDID_HDMI_DC_30               (1 <    221 #define DRM_EDID_HDMI_DC_30               (1 << 4)
236 #define DRM_EDID_HDMI_DC_Y444             (1 <    222 #define DRM_EDID_HDMI_DC_Y444             (1 << 3)
237                                                   223 
238 /* YCBCR 420 deep color modes */                  224 /* YCBCR 420 deep color modes */
239 #define DRM_EDID_YCBCR420_DC_48           (1 <    225 #define DRM_EDID_YCBCR420_DC_48           (1 << 2)
240 #define DRM_EDID_YCBCR420_DC_36           (1 <    226 #define DRM_EDID_YCBCR420_DC_36           (1 << 1)
241 #define DRM_EDID_YCBCR420_DC_30           (1 <    227 #define DRM_EDID_YCBCR420_DC_30           (1 << 0)
242 #define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YC    228 #define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \
243                                     DRM_EDID_Y    229                                     DRM_EDID_YCBCR420_DC_36 | \
244                                     DRM_EDID_Y    230                                     DRM_EDID_YCBCR420_DC_30)
245                                                   231 
246 /* HDMI 2.1 additional fields */                  232 /* HDMI 2.1 additional fields */
247 #define DRM_EDID_MAX_FRL_RATE_MASK                233 #define DRM_EDID_MAX_FRL_RATE_MASK              0xf0
248 #define DRM_EDID_FAPA_START_LOCATION              234 #define DRM_EDID_FAPA_START_LOCATION            (1 << 0)
249 #define DRM_EDID_ALLM                             235 #define DRM_EDID_ALLM                           (1 << 1)
250 #define DRM_EDID_FVA                              236 #define DRM_EDID_FVA                            (1 << 2)
251                                                   237 
252 /* Deep Color specific */                         238 /* Deep Color specific */
253 #define DRM_EDID_DC_30BIT_420                     239 #define DRM_EDID_DC_30BIT_420                   (1 << 0)
254 #define DRM_EDID_DC_36BIT_420                     240 #define DRM_EDID_DC_36BIT_420                   (1 << 1)
255 #define DRM_EDID_DC_48BIT_420                     241 #define DRM_EDID_DC_48BIT_420                   (1 << 2)
256                                                   242 
257 /* VRR specific */                                243 /* VRR specific */
258 #define DRM_EDID_CNMVRR                           244 #define DRM_EDID_CNMVRR                         (1 << 3)
259 #define DRM_EDID_CINEMA_VRR                       245 #define DRM_EDID_CINEMA_VRR                     (1 << 4)
260 #define DRM_EDID_MDELTA                           246 #define DRM_EDID_MDELTA                         (1 << 5)
261 #define DRM_EDID_VRR_MAX_UPPER_MASK               247 #define DRM_EDID_VRR_MAX_UPPER_MASK             0xc0
262 #define DRM_EDID_VRR_MAX_LOWER_MASK               248 #define DRM_EDID_VRR_MAX_LOWER_MASK             0xff
263 #define DRM_EDID_VRR_MIN_MASK                     249 #define DRM_EDID_VRR_MIN_MASK                   0x3f
264                                                   250 
265 /* DSC specific */                                251 /* DSC specific */
266 #define DRM_EDID_DSC_10BPC                        252 #define DRM_EDID_DSC_10BPC                      (1 << 0)
267 #define DRM_EDID_DSC_12BPC                        253 #define DRM_EDID_DSC_12BPC                      (1 << 1)
268 #define DRM_EDID_DSC_16BPC                        254 #define DRM_EDID_DSC_16BPC                      (1 << 2)
269 #define DRM_EDID_DSC_ALL_BPP                      255 #define DRM_EDID_DSC_ALL_BPP                    (1 << 3)
270 #define DRM_EDID_DSC_NATIVE_420                   256 #define DRM_EDID_DSC_NATIVE_420                 (1 << 6)
271 #define DRM_EDID_DSC_1P2                          257 #define DRM_EDID_DSC_1P2                        (1 << 7)
272 #define DRM_EDID_DSC_MAX_FRL_RATE_MASK            258 #define DRM_EDID_DSC_MAX_FRL_RATE_MASK          0xf0
273 #define DRM_EDID_DSC_MAX_SLICES                   259 #define DRM_EDID_DSC_MAX_SLICES                 0xf
274 #define DRM_EDID_DSC_TOTAL_CHUNK_KBYTES           260 #define DRM_EDID_DSC_TOTAL_CHUNK_KBYTES         0x3f
275                                                   261 
276 struct drm_edid_product_id {                   !! 262 /* ELD Header Block */
277         __be16 manufacturer_name;              !! 263 #define DRM_ELD_HEADER_BLOCK_SIZE       4
278         __le16 product_code;                   !! 264 
279         __le32 serial_number;                  !! 265 #define DRM_ELD_VER                     0
280         u8 week_of_manufacture;                !! 266 # define DRM_ELD_VER_SHIFT              3
281         u8 year_of_manufacture;                !! 267 # define DRM_ELD_VER_MASK               (0x1f << 3)
282 } __packed;                                    !! 268 # define DRM_ELD_VER_CEA861D            (2 << 3) /* supports 861D or below */
                                                   >> 269 # define DRM_ELD_VER_CANNED             (0x1f << 3)
                                                   >> 270 
                                                   >> 271 #define DRM_ELD_BASELINE_ELD_LEN        2       /* in dwords! */
                                                   >> 272 
                                                   >> 273 /* ELD Baseline Block for ELD_Ver == 2 */
                                                   >> 274 #define DRM_ELD_CEA_EDID_VER_MNL        4
                                                   >> 275 # define DRM_ELD_CEA_EDID_VER_SHIFT     5
                                                   >> 276 # define DRM_ELD_CEA_EDID_VER_MASK      (7 << 5)
                                                   >> 277 # define DRM_ELD_CEA_EDID_VER_NONE      (0 << 5)
                                                   >> 278 # define DRM_ELD_CEA_EDID_VER_CEA861    (1 << 5)
                                                   >> 279 # define DRM_ELD_CEA_EDID_VER_CEA861A   (2 << 5)
                                                   >> 280 # define DRM_ELD_CEA_EDID_VER_CEA861BCD (3 << 5)
                                                   >> 281 # define DRM_ELD_MNL_SHIFT              0
                                                   >> 282 # define DRM_ELD_MNL_MASK               (0x1f << 0)
                                                   >> 283 
                                                   >> 284 #define DRM_ELD_SAD_COUNT_CONN_TYPE     5
                                                   >> 285 # define DRM_ELD_SAD_COUNT_SHIFT        4
                                                   >> 286 # define DRM_ELD_SAD_COUNT_MASK         (0xf << 4)
                                                   >> 287 # define DRM_ELD_CONN_TYPE_SHIFT        2
                                                   >> 288 # define DRM_ELD_CONN_TYPE_MASK         (3 << 2)
                                                   >> 289 # define DRM_ELD_CONN_TYPE_HDMI         (0 << 2)
                                                   >> 290 # define DRM_ELD_CONN_TYPE_DP           (1 << 2)
                                                   >> 291 # define DRM_ELD_SUPPORTS_AI            (1 << 1)
                                                   >> 292 # define DRM_ELD_SUPPORTS_HDCP          (1 << 0)
                                                   >> 293 
                                                   >> 294 #define DRM_ELD_AUD_SYNCH_DELAY         6       /* in units of 2 ms */
                                                   >> 295 # define DRM_ELD_AUD_SYNCH_DELAY_MAX    0xfa    /* 500 ms */
                                                   >> 296 
                                                   >> 297 #define DRM_ELD_SPEAKER                 7
                                                   >> 298 # define DRM_ELD_SPEAKER_MASK           0x7f
                                                   >> 299 # define DRM_ELD_SPEAKER_RLRC           (1 << 6)
                                                   >> 300 # define DRM_ELD_SPEAKER_FLRC           (1 << 5)
                                                   >> 301 # define DRM_ELD_SPEAKER_RC             (1 << 4)
                                                   >> 302 # define DRM_ELD_SPEAKER_RLR            (1 << 3)
                                                   >> 303 # define DRM_ELD_SPEAKER_FC             (1 << 2)
                                                   >> 304 # define DRM_ELD_SPEAKER_LFE            (1 << 1)
                                                   >> 305 # define DRM_ELD_SPEAKER_FLR            (1 << 0)
                                                   >> 306 
                                                   >> 307 #define DRM_ELD_PORT_ID                 8       /* offsets 8..15 inclusive */
                                                   >> 308 # define DRM_ELD_PORT_ID_LEN            8
                                                   >> 309 
                                                   >> 310 #define DRM_ELD_MANUFACTURER_NAME0      16
                                                   >> 311 #define DRM_ELD_MANUFACTURER_NAME1      17
                                                   >> 312 
                                                   >> 313 #define DRM_ELD_PRODUCT_CODE0           18
                                                   >> 314 #define DRM_ELD_PRODUCT_CODE1           19
                                                   >> 315 
                                                   >> 316 #define DRM_ELD_MONITOR_NAME_STRING     20      /* offsets 20..(20+mnl-1) inclusive */
                                                   >> 317 
                                                   >> 318 #define DRM_ELD_CEA_SAD(mnl, sad)       (20 + (mnl) + 3 * (sad))
283                                                   319 
284 struct edid {                                     320 struct edid {
285         u8 header[8];                             321         u8 header[8];
286         /* Vendor & product info */               322         /* Vendor & product info */
287         union {                                !! 323         u8 mfg_id[2];
288                 struct drm_edid_product_id pro !! 324         u8 prod_code[2];
289                 struct {                       !! 325         u32 serial; /* FIXME: byte order */
290                         u8 mfg_id[2];          !! 326         u8 mfg_week;
291                         u8 prod_code[2];       !! 327         u8 mfg_year;
292                         u32 serial; /* FIXME:  << 
293                         u8 mfg_week;           << 
294                         u8 mfg_year;           << 
295                 } __packed;                    << 
296         } __packed;                            << 
297         /* EDID version */                        328         /* EDID version */
298         u8 version;                               329         u8 version;
299         u8 revision;                              330         u8 revision;
300         /* Display info: */                       331         /* Display info: */
301         u8 input;                                 332         u8 input;
302         u8 width_cm;                              333         u8 width_cm;
303         u8 height_cm;                             334         u8 height_cm;
304         u8 gamma;                                 335         u8 gamma;
305         u8 features;                              336         u8 features;
306         /* Color characteristics */               337         /* Color characteristics */
307         u8 red_green_lo;                          338         u8 red_green_lo;
308         u8 blue_white_lo;                         339         u8 blue_white_lo;
309         u8 red_x;                                 340         u8 red_x;
310         u8 red_y;                                 341         u8 red_y;
311         u8 green_x;                               342         u8 green_x;
312         u8 green_y;                               343         u8 green_y;
313         u8 blue_x;                                344         u8 blue_x;
314         u8 blue_y;                                345         u8 blue_y;
315         u8 white_x;                               346         u8 white_x;
316         u8 white_y;                               347         u8 white_y;
317         /* Est. timings and mfg rsvd timings*/    348         /* Est. timings and mfg rsvd timings*/
318         struct est_timings established_timings    349         struct est_timings established_timings;
319         /* Standard timings 1-8*/                 350         /* Standard timings 1-8*/
320         struct std_timing standard_timings[8];    351         struct std_timing standard_timings[8];
321         /* Detailing timings 1-4 */               352         /* Detailing timings 1-4 */
322         struct detailed_timing detailed_timing    353         struct detailed_timing detailed_timings[4];
323         /* Number of 128 byte ext. blocks */      354         /* Number of 128 byte ext. blocks */
324         u8 extensions;                            355         u8 extensions;
325         /* Checksum */                            356         /* Checksum */
326         u8 checksum;                              357         u8 checksum;
327 } __packed;                                    !! 358 } __attribute__((packed));
328                                                << 
329 /* EDID matching */                            << 
330 struct drm_edid_ident {                        << 
331         /* ID encoded by drm_edid_encode_panel << 
332         u32 panel_id;                          << 
333         const char *name;                      << 
334 };                                             << 
335                                                   359 
336 #define EDID_PRODUCT_ID(e) ((e)->prod_code[0]     360 #define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
337                                                   361 
338 /* Short Audio Descriptor */                      362 /* Short Audio Descriptor */
339 struct cea_sad {                                  363 struct cea_sad {
340         u8 format;                                364         u8 format;
341         u8 channels; /* max number of channels    365         u8 channels; /* max number of channels - 1 */
342         u8 freq;                                  366         u8 freq;
343         u8 byte2; /* meaning depends on format    367         u8 byte2; /* meaning depends on format */
344 };                                                368 };
345                                                   369 
                                                   >> 370 struct drm_encoder;
                                                   >> 371 struct drm_connector;
                                                   >> 372 struct drm_connector_state;
                                                   >> 373 struct drm_display_mode;
                                                   >> 374 
346 int drm_edid_to_sad(const struct edid *edid, s    375 int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads);
347 int drm_edid_to_speaker_allocation(const struc    376 int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb);
348 int drm_av_sync_delay(struct drm_connector *co    377 int drm_av_sync_delay(struct drm_connector *connector,
349                       const struct drm_display    378                       const struct drm_display_mode *mode);
350                                                   379 
                                                   >> 380 #ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
                                                   >> 381 struct edid *drm_load_edid_firmware(struct drm_connector *connector);
                                                   >> 382 int __drm_set_edid_firmware_path(const char *path);
                                                   >> 383 int __drm_get_edid_firmware_path(char *buf, size_t bufsize);
                                                   >> 384 #else
                                                   >> 385 static inline struct edid *
                                                   >> 386 drm_load_edid_firmware(struct drm_connector *connector)
                                                   >> 387 {
                                                   >> 388         return ERR_PTR(-ENOENT);
                                                   >> 389 }
                                                   >> 390 #endif
                                                   >> 391 
                                                   >> 392 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2);
                                                   >> 393 
351 int                                               394 int
352 drm_hdmi_avi_infoframe_from_display_mode(struc    395 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
353                                          const    396                                          const struct drm_connector *connector,
354                                          const    397                                          const struct drm_display_mode *mode);
355 int                                               398 int
356 drm_hdmi_vendor_infoframe_from_display_mode(st    399 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
357                                             co    400                                             const struct drm_connector *connector,
358                                             co    401                                             const struct drm_display_mode *mode);
359                                                   402 
360 void                                              403 void
361 drm_hdmi_avi_infoframe_quant_range(struct hdmi    404 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
362                                    const struc    405                                    const struct drm_connector *connector,
363                                    const struc    406                                    const struct drm_display_mode *mode,
364                                    enum hdmi_q    407                                    enum hdmi_quantization_range rgb_quant_range);
365                                                   408 
366 /**                                               409 /**
367  * drm_edid_decode_mfg_id - Decode the manufac !! 410  * drm_eld_mnl - Get ELD monitor name length in bytes.
368  * @mfg_id: The manufacturer ID                !! 411  * @eld: pointer to an eld memory structure with mnl set
369  * @vend: A 4-byte buffer to store the 3-lette << 
370  *        termination                          << 
371  */                                               412  */
372 static inline const char *drm_edid_decode_mfg_ !! 413 static inline int drm_eld_mnl(const uint8_t *eld)
373 {                                                 414 {
374         vend[0] = '@' + ((mfg_id >> 10) & 0x1f !! 415         return (eld[DRM_ELD_CEA_EDID_VER_MNL] & DRM_ELD_MNL_MASK) >> DRM_ELD_MNL_SHIFT;
375         vend[1] = '@' + ((mfg_id >> 5) & 0x1f) !! 416 }
376         vend[2] = '@' + ((mfg_id >> 0) & 0x1f) << 
377         vend[3] = '\0';                        << 
378                                                   417 
379         return vend;                           !! 418 /**
                                                   >> 419  * drm_eld_sad - Get ELD SAD structures.
                                                   >> 420  * @eld: pointer to an eld memory structure with sad_count set
                                                   >> 421  */
                                                   >> 422 static inline const uint8_t *drm_eld_sad(const uint8_t *eld)
                                                   >> 423 {
                                                   >> 424         unsigned int ver, mnl;
                                                   >> 425 
                                                   >> 426         ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT;
                                                   >> 427         if (ver != 2 && ver != 31)
                                                   >> 428                 return NULL;
                                                   >> 429 
                                                   >> 430         mnl = drm_eld_mnl(eld);
                                                   >> 431         if (mnl > 16)
                                                   >> 432                 return NULL;
                                                   >> 433 
                                                   >> 434         return eld + DRM_ELD_CEA_SAD(mnl, 0);
                                                   >> 435 }
                                                   >> 436 
                                                   >> 437 /**
                                                   >> 438  * drm_eld_sad_count - Get ELD SAD count.
                                                   >> 439  * @eld: pointer to an eld memory structure with sad_count set
                                                   >> 440  */
                                                   >> 441 static inline int drm_eld_sad_count(const uint8_t *eld)
                                                   >> 442 {
                                                   >> 443         return (eld[DRM_ELD_SAD_COUNT_CONN_TYPE] & DRM_ELD_SAD_COUNT_MASK) >>
                                                   >> 444                 DRM_ELD_SAD_COUNT_SHIFT;
                                                   >> 445 }
                                                   >> 446 
                                                   >> 447 /**
                                                   >> 448  * drm_eld_calc_baseline_block_size - Calculate baseline block size in bytes
                                                   >> 449  * @eld: pointer to an eld memory structure with mnl and sad_count set
                                                   >> 450  *
                                                   >> 451  * This is a helper for determining the payload size of the baseline block, in
                                                   >> 452  * bytes, for e.g. setting the Baseline_ELD_Len field in the ELD header block.
                                                   >> 453  */
                                                   >> 454 static inline int drm_eld_calc_baseline_block_size(const uint8_t *eld)
                                                   >> 455 {
                                                   >> 456         return DRM_ELD_MONITOR_NAME_STRING - DRM_ELD_HEADER_BLOCK_SIZE +
                                                   >> 457                 drm_eld_mnl(eld) + drm_eld_sad_count(eld) * 3;
                                                   >> 458 }
                                                   >> 459 
                                                   >> 460 /**
                                                   >> 461  * drm_eld_size - Get ELD size in bytes
                                                   >> 462  * @eld: pointer to a complete eld memory structure
                                                   >> 463  *
                                                   >> 464  * The returned value does not include the vendor block. It's vendor specific,
                                                   >> 465  * and comprises of the remaining bytes in the ELD memory buffer after
                                                   >> 466  * drm_eld_size() bytes of header and baseline block.
                                                   >> 467  *
                                                   >> 468  * The returned value is guaranteed to be a multiple of 4.
                                                   >> 469  */
                                                   >> 470 static inline int drm_eld_size(const uint8_t *eld)
                                                   >> 471 {
                                                   >> 472         return DRM_ELD_HEADER_BLOCK_SIZE + eld[DRM_ELD_BASELINE_ELD_LEN] * 4;
                                                   >> 473 }
                                                   >> 474 
                                                   >> 475 /**
                                                   >> 476  * drm_eld_get_spk_alloc - Get speaker allocation
                                                   >> 477  * @eld: pointer to an ELD memory structure
                                                   >> 478  *
                                                   >> 479  * The returned value is the speakers mask. User has to use %DRM_ELD_SPEAKER
                                                   >> 480  * field definitions to identify speakers.
                                                   >> 481  */
                                                   >> 482 static inline u8 drm_eld_get_spk_alloc(const uint8_t *eld)
                                                   >> 483 {
                                                   >> 484         return eld[DRM_ELD_SPEAKER] & DRM_ELD_SPEAKER_MASK;
                                                   >> 485 }
                                                   >> 486 
                                                   >> 487 /**
                                                   >> 488  * drm_eld_get_conn_type - Get device type hdmi/dp connected
                                                   >> 489  * @eld: pointer to an ELD memory structure
                                                   >> 490  *
                                                   >> 491  * The caller need to use %DRM_ELD_CONN_TYPE_HDMI or %DRM_ELD_CONN_TYPE_DP to
                                                   >> 492  * identify the display type connected.
                                                   >> 493  */
                                                   >> 494 static inline u8 drm_eld_get_conn_type(const uint8_t *eld)
                                                   >> 495 {
                                                   >> 496         return eld[DRM_ELD_SAD_COUNT_CONN_TYPE] & DRM_ELD_CONN_TYPE_MASK;
380 }                                                 497 }
381                                                   498 
382 /**                                               499 /**
383  * drm_edid_encode_panel_id - Encode an ID for    500  * drm_edid_encode_panel_id - Encode an ID for matching against drm_edid_get_panel_id()
384  * @vend_chr_0: First character of the vendor     501  * @vend_chr_0: First character of the vendor string.
385  * @vend_chr_1: Second character of the vendor    502  * @vend_chr_1: Second character of the vendor string.
386  * @vend_chr_2: Third character of the vendor     503  * @vend_chr_2: Third character of the vendor string.
387  * @product_id: The 16-bit product ID.            504  * @product_id: The 16-bit product ID.
388  *                                                505  *
389  * This is a macro so that it can be calculate    506  * This is a macro so that it can be calculated at compile time and used
390  * as an initializer.                             507  * as an initializer.
391  *                                                508  *
392  * For instance:                                  509  * For instance:
393  *   drm_edid_encode_panel_id('B', 'O', 'E', 0    510  *   drm_edid_encode_panel_id('B', 'O', 'E', 0x2d08) => 0x09e52d08
394  *                                                511  *
395  * Return: a 32-bit ID per panel.                 512  * Return: a 32-bit ID per panel.
396  */                                               513  */
397 #define drm_edid_encode_panel_id(vend_chr_0, v    514 #define drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, product_id) \
398         ((((u32)(vend_chr_0) - '@') & 0x1f) <<    515         ((((u32)(vend_chr_0) - '@') & 0x1f) << 26 | \
399          (((u32)(vend_chr_1) - '@') & 0x1f) <<    516          (((u32)(vend_chr_1) - '@') & 0x1f) << 21 | \
400          (((u32)(vend_chr_2) - '@') & 0x1f) <<    517          (((u32)(vend_chr_2) - '@') & 0x1f) << 16 | \
401          ((product_id) & 0xffff))                 518          ((product_id) & 0xffff))
402                                                   519 
403 /**                                               520 /**
404  * drm_edid_decode_panel_id - Decode a panel I    521  * drm_edid_decode_panel_id - Decode a panel ID from drm_edid_encode_panel_id()
405  * @panel_id: The panel ID to decode.             522  * @panel_id: The panel ID to decode.
406  * @vend: A 4-byte buffer to store the 3-lette    523  * @vend: A 4-byte buffer to store the 3-letter vendor string plus a '\0'
407  *        termination                             524  *        termination
408  * @product_id: The product ID will be returne    525  * @product_id: The product ID will be returned here.
409  *                                                526  *
410  * For instance, after:                           527  * For instance, after:
411  *   drm_edid_decode_panel_id(0x09e52d08, vend    528  *   drm_edid_decode_panel_id(0x09e52d08, vend, &product_id)
412  * These will be true:                            529  * These will be true:
413  *   vend[0] = 'B'                                530  *   vend[0] = 'B'
414  *   vend[1] = 'O'                                531  *   vend[1] = 'O'
415  *   vend[2] = 'E'                                532  *   vend[2] = 'E'
416  *   vend[3] = '\0'                               533  *   vend[3] = '\0'
417  *   product_id = 0x2d08                          534  *   product_id = 0x2d08
418  */                                               535  */
419 static inline void drm_edid_decode_panel_id(u3    536 static inline void drm_edid_decode_panel_id(u32 panel_id, char vend[4], u16 *product_id)
420 {                                                 537 {
421         *product_id = (u16)(panel_id & 0xffff)    538         *product_id = (u16)(panel_id & 0xffff);
422         drm_edid_decode_mfg_id(panel_id >> 16, !! 539         vend[0] = '@' + ((panel_id >> 26) & 0x1f);
                                                   >> 540         vend[1] = '@' + ((panel_id >> 21) & 0x1f);
                                                   >> 541         vend[2] = '@' + ((panel_id >> 16) & 0x1f);
                                                   >> 542         vend[3] = '\0';
423 }                                                 543 }
424                                                   544 
425 bool drm_probe_ddc(struct i2c_adapter *adapter    545 bool drm_probe_ddc(struct i2c_adapter *adapter);
                                                   >> 546 struct edid *drm_do_get_edid(struct drm_connector *connector,
                                                   >> 547         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
                                                   >> 548                               size_t len),
                                                   >> 549         void *data);
426 struct edid *drm_get_edid(struct drm_connector    550 struct edid *drm_get_edid(struct drm_connector *connector,
427                           struct i2c_adapter *    551                           struct i2c_adapter *adapter);
                                                   >> 552 u32 drm_edid_get_panel_id(struct i2c_adapter *adapter);
428 struct edid *drm_get_edid_switcheroo(struct dr    553 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
429                                      struct i2    554                                      struct i2c_adapter *adapter);
430 struct edid *drm_edid_duplicate(const struct e    555 struct edid *drm_edid_duplicate(const struct edid *edid);
431 int drm_add_edid_modes(struct drm_connector *c    556 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
432 int drm_edid_override_connector_update(struct  !! 557 int drm_add_override_edid_modes(struct drm_connector *connector);
433                                                   558 
434 u8 drm_match_cea_mode(const struct drm_display    559 u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
435 bool drm_detect_hdmi_monitor(const struct edid    560 bool drm_detect_hdmi_monitor(const struct edid *edid);
436 bool drm_detect_monitor_audio(const struct edi    561 bool drm_detect_monitor_audio(const struct edid *edid);
437 enum hdmi_quantization_range                      562 enum hdmi_quantization_range
438 drm_default_rgb_quant_range(const struct drm_d    563 drm_default_rgb_quant_range(const struct drm_display_mode *mode);
439 int drm_add_modes_noedid(struct drm_connector     564 int drm_add_modes_noedid(struct drm_connector *connector,
440                          int hdisplay, int vdi    565                          int hdisplay, int vdisplay);
                                                   >> 566 void drm_set_preferred_mode(struct drm_connector *connector,
                                                   >> 567                             int hpref, int vpref);
441                                                   568 
442 int drm_edid_header_is_valid(const void *edid)    569 int drm_edid_header_is_valid(const void *edid);
                                                   >> 570 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
                                                   >> 571                           bool *edid_corrupt);
443 bool drm_edid_is_valid(struct edid *edid);        572 bool drm_edid_is_valid(struct edid *edid);
444 void drm_edid_get_monitor_name(const struct ed    573 void drm_edid_get_monitor_name(const struct edid *edid, char *name,
445                                int buflen);       574                                int buflen);
446 struct drm_display_mode *drm_mode_find_dmt(str    575 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
447                                            int    576                                            int hsize, int vsize, int fresh,
448                                            boo    577                                            bool rb);
449 struct drm_display_mode *                         578 struct drm_display_mode *
450 drm_display_mode_from_cea_vic(struct drm_devic    579 drm_display_mode_from_cea_vic(struct drm_device *dev,
451                               u8 video_code);     580                               u8 video_code);
                                                   >> 581 const u8 *drm_find_edid_extension(const struct edid *edid,
                                                   >> 582                                   int ext_id, int *ext_index);
452                                                   583 
453 /* Interface based on struct drm_edid */       << 
454 const struct drm_edid *drm_edid_alloc(const vo << 
455 const struct drm_edid *drm_edid_dup(const stru << 
456 void drm_edid_free(const struct drm_edid *drm_ << 
457 bool drm_edid_valid(const struct drm_edid *drm << 
458 const struct edid *drm_edid_raw(const struct d << 
459 const struct drm_edid *drm_edid_read(struct dr << 
460 const struct drm_edid *drm_edid_read_ddc(struc << 
461                                          struc << 
462 const struct drm_edid *drm_edid_read_custom(st << 
463                                             in << 
464                                             vo << 
465 const struct drm_edid *drm_edid_read_base_bloc << 
466 const struct drm_edid *drm_edid_read_switchero << 
467                                                << 
468 int drm_edid_connector_update(struct drm_conne << 
469                               const struct drm << 
470 int drm_edid_connector_add_modes(struct drm_co << 
471 bool drm_edid_is_digital(const struct drm_edid << 
472 void drm_edid_get_product_id(const struct drm_ << 
473                              struct drm_edid_p << 
474 void drm_edid_print_product_id(struct drm_prin << 
475                                const struct dr << 
476 u32 drm_edid_get_panel_id(const struct drm_edi << 
477 bool drm_edid_match(const struct drm_edid *drm << 
478                     const struct drm_edid_iden << 
479                                                   584 
480 #endif /* __DRM_EDID_H__ */                       585 #endif /* __DRM_EDID_H__ */
481                                                   586 

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