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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 | /* SPDX-License-Identifier: MIT */ /* * drm_panel_orientation_quirks.c -- Quirks for non-normal panel orientation * * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com> * * Note the quirks in this file are shared with fbdev/efifb and as such * must not depend on other drm code. */ #include <linux/dmi.h> #include <linux/module.h> #include <drm/drm_connector.h> #include <drm/drm_utils.h> #ifdef CONFIG_DMI /* * Some x86 clamshell design devices use portrait tablet screens and a display * engine which cannot rotate in hardware, so we need to rotate the fbcon to * compensate. Unfortunately these (cheap) devices also typically have quite * generic DMI data, so we match on a combination of DMI data, screen resolution * and a list of known BIOS dates to avoid false positives. */ struct drm_dmi_panel_orientation_data { int width; int height; const char * const *bios_dates; int orientation; }; static const struct drm_dmi_panel_orientation_data asus_t100ha = { .width = 800, .height = 1280, .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, }; static const struct drm_dmi_panel_orientation_data gpd_micropc = { .width = 720, .height = 1280, .bios_dates = (const char * const []){ "04/26/2019", NULL }, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data gpd_pocket = { .width = 1200, .height = 1920, .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017", "07/05/2017", "08/07/2017", NULL }, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data gpd_pocket2 = { .width = 1200, .height = 1920, .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018", "12/07/2018", NULL }, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data gpd_win = { .width = 720, .height = 1280, .bios_dates = (const char * const []){ "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016", "02/21/2017", "03/20/2017", "05/25/2017", NULL }, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data itworks_tw891 = { .width = 800, .height = 1280, .bios_dates = (const char * const []){ "10/16/2015", NULL }, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = { .width = 720, .height = 1280, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = { .width = 800, .height = 1280, .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; static const struct dmi_system_id orientation_data[] = { { /* Acer One 10 (S1003) */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* Asus T100HA */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), }, .driver_data = (void *)&asus_t100ha, }, { /* Asus T101HA */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* Asus T103HAF */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* GPD MicroPC (generic strings, also match on bios date) */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), }, .driver_data = (void *)&gpd_micropc, }, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"), }, .driver_data = (void *)&lcd720x1280_rightside_up, }, { /* * GPD Pocket, note that the the DMI data is less generic then * it seems, devices with a board-vendor of "AMI Corporation" * are quite rare, as are devices which have both board- *and* * product-id set to "Default String" */ .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), }, .driver_data = (void *)&gpd_pocket, }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), }, .driver_data = (void *)&gpd_pocket2, }, { /* GPD Win (same note on DMI match as GPD Pocket) */ .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), }, .driver_data = (void *)&gpd_win, }, { /* I.T.Works TW891 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), }, .driver_data = (void *)&itworks_tw891, }, { /* * Lenovo Ideapad Miix 310 laptop, only some production batches * have a portrait screen, the resolution checks makes the quirk * apply only to those batches. */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"), DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* Lenovo Ideapad Miix 320 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"), DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* VIOS LTH17 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), }, .driver_data = (void *)&lcd800x1280_rightside_up, }, {} }; /** * drm_get_panel_orientation_quirk - Check for panel orientation quirks * @width: width in pixels of the panel * @height: height in pixels of the panel * * This function checks for platform specific (e.g. DMI based) quirks * providing info on panel_orientation for systems where this cannot be * probed from the hard-/firm-ware. To avoid false-positive this function * takes the panel resolution as argument and checks that against the * resolution expected by the quirk-table entry. * * Note this function is also used outside of the drm-subsys, by for example * the efifb code. Because of this this function gets compiled into its own * kernel-module when built as a module. * * Returns: * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system, * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk. */ int drm_get_panel_orientation_quirk(int width, int height) { const struct dmi_system_id *match; const struct drm_dmi_panel_orientation_data *data; const char *bios_date; int i; for (match = dmi_first_match(orientation_data); match; match = dmi_first_match(match + 1)) { data = match->driver_data; if (data->width != width || data->height != height) continue; if (!data->bios_dates) return data->orientation; bios_date = dmi_get_system_info(DMI_BIOS_DATE); if (!bios_date) continue; i = match_string(data->bios_dates, -1, bios_date); if (i >= 0) return data->orientation; } return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; } EXPORT_SYMBOL(drm_get_panel_orientation_quirk); #else /* There are no quirks for non x86 devices yet */ int drm_get_panel_orientation_quirk(int width, int height) { return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; } EXPORT_SYMBOL(drm_get_panel_orientation_quirk); #endif MODULE_LICENSE("Dual MIT/GPL"); |