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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/drm_panel_orientation_quirks.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/drm_panel_orientation_quirks.c')
-rw-r--r--drivers/gpu/drm/drm_panel_orientation_quirks.c276
1 files changed, 276 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c
new file mode 100644
index 000000000..265df1e67
--- /dev/null
+++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c
@@ -0,0 +1,276 @@
+/* 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,
+ }, { /* AYA NEO 2021 */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"),
+ },
+ .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 Win Max */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1619-01"),
+ },
+ .driver_data = (void *)&lcd800x1280_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,
+ }, { /* KD Kurio Smart C15200 2-in-1 */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "KD Interactive"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Kurio Smart"),
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "KDM960BCP"),
+ },
+ .driver_data = (void *)&lcd800x1280_rightside_up,
+ }, { /*
+ * 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");