diff options
| -rw-r--r-- | backend/drm/backend.c | 26 | ||||
| -rw-r--r-- | backend/drm/drm.c | 2 | ||||
| -rw-r--r-- | backend/drm/util.c | 113 | ||||
| -rw-r--r-- | include/backend/drm/drm.h | 1 | ||||
| -rw-r--r-- | include/backend/drm/util.h | 6 |
5 files changed, 67 insertions, 81 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 10f324a0..b9e7274b 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -1,6 +1,7 @@ #include <assert.h> #include <errno.h> #include <drm_fourcc.h> +#include <libudev.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -58,6 +59,7 @@ static void backend_destroy(struct wlr_backend *backend) { finish_drm_resources(drm); + udev_hwdb_unref(drm->hwdb); free(drm->name); wlr_session_close_file(drm->session, drm->dev); wl_event_source_remove(drm->drm_event); @@ -172,6 +174,23 @@ static void handle_parent_destroy(struct wl_listener *listener, void *data) { backend_destroy(&drm->backend); } +static struct udev_hwdb *create_udev_hwdb(void) { + struct udev *udev = udev_new(); + if (!udev) { + wlr_log(WLR_ERROR, "udev_new failed"); + return NULL; + } + + struct udev_hwdb *hwdb = udev_hwdb_new(udev); + udev_unref(udev); + if (!hwdb) { + wlr_log(WLR_ERROR, "udev_hwdb_new failed"); + return NULL; + } + + return hwdb; +} + struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_session *session, struct wlr_device *dev, struct wlr_backend *parent) { @@ -226,6 +245,12 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, drm->session_active.notify = handle_session_active; wl_signal_add(&session->events.active, &drm->session_active); + drm->hwdb = create_udev_hwdb(); + if (!drm->hwdb) { + wlr_log(WLR_INFO, "Failed to load udev_hwdb, " + "falling back to PnP IDs instead of manufacturer names"); + } + if (!check_drm_features(drm)) { goto error_event; } @@ -275,6 +300,7 @@ error_mgpu_renderer: error_resources: finish_drm_resources(drm); error_event: + udev_hwdb_unref(drm->hwdb); wl_list_remove(&drm->session_active.link); wl_event_source_remove(drm->drm_event); error_fd: diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 5a828426..af7e7836 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -1314,7 +1314,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm, size_t edid_len = 0; uint8_t *edid = get_drm_prop_blob(drm->fd, wlr_conn->id, wlr_conn->props.edid, &edid_len); - parse_edid(&wlr_conn->output, edid_len, edid); + parse_edid(wlr_conn, edid_len, edid); free(edid); char *subconnector = NULL; diff --git a/backend/drm/util.c b/backend/drm/util.c index 3cf656fb..33446fd7 100644 --- a/backend/drm/util.c +++ b/backend/drm/util.c @@ -2,9 +2,11 @@ #include <drm_fourcc.h> #include <drm_mode.h> #include <drm.h> +#include <libudev.h> #include <stdio.h> #include <string.h> #include <wlr/util/log.h> +#include "backend/drm/drm.h" #include "backend/drm/util.h" int32_t calculate_refresh_rate(const drmModeModeInfo *mode) { @@ -26,94 +28,51 @@ int32_t calculate_refresh_rate(const drmModeModeInfo *mode) { return refresh; } -// Constructed from http://edid.tv/manufacturer -static const char *get_manufacturer(uint16_t id) { -#define ID(a, b, c) ((a & 0x1f) << 10) | ((b & 0x1f) << 5) | (c & 0x1f) - switch (id) { - case ID('A', 'A', 'A'): return "Avolites Ltd"; - case ID('A', 'C', 'I'): return "Ancor Communications Inc"; - case ID('A', 'C', 'R'): return "Acer Technologies"; - case ID('A', 'D', 'A'): return "Addi-Data GmbH"; - case ID('A', 'P', 'P'): return "Apple Computer Inc"; - case ID('A', 'S', 'K'): return "Ask A/S"; - case ID('A', 'V', 'T'): return "Avtek (Electronics) Pty Ltd"; - case ID('B', 'N', 'O'): return "Bang & Olufsen"; - case ID('B', 'N', 'Q'): return "BenQ Corporation"; - case ID('C', 'M', 'N'): return "Chimei Innolux Corporation"; - case ID('C', 'M', 'O'): return "Chi Mei Optoelectronics corp."; - case ID('C', 'R', 'O'): return "Extraordinary Technologies PTY Limited"; - case ID('D', 'E', 'L'): return "Dell Inc."; - case ID('D', 'G', 'C'): return "Data General Corporation"; - case ID('D', 'O', 'N'): return "DENON, Ltd."; - case ID('E', 'N', 'C'): return "Eizo Nanao Corporation"; - case ID('E', 'P', 'H'): return "Epiphan Systems Inc."; - case ID('E', 'X', 'P'): return "Data Export Corporation"; - case ID('F', 'N', 'I'): return "Funai Electric Co., Ltd."; - case ID('F', 'U', 'S'): return "Fujitsu Siemens Computers GmbH"; - case ID('G', 'S', 'M'): return "Goldstar Company Ltd"; - case ID('H', 'I', 'Q'): return "Kaohsiung Opto Electronics Americas, Inc."; - case ID('H', 'S', 'D'): return "HannStar Display Corp"; - case ID('H', 'T', 'C'): return "Hitachi Ltd"; - case ID('H', 'W', 'P'): return "Hewlett Packard"; - case ID('I', 'N', 'T'): return "Interphase Corporation"; - case ID('I', 'N', 'X'): return "Communications Supply Corporation (A division of WESCO)"; - case ID('I', 'T', 'E'): return "Integrated Tech Express Inc"; - case ID('I', 'V', 'M'): return "Iiyama North America"; - case ID('L', 'E', 'N'): return "Lenovo Group Limited"; - case ID('M', 'A', 'X'): return "Rogen Tech Distribution Inc"; - case ID('M', 'E', 'G'): return "Abeam Tech Ltd"; - case ID('M', 'E', 'I'): return "Panasonic Industry Company"; - case ID('M', 'T', 'C'): return "Mars-Tech Corporation"; - case ID('M', 'T', 'X'): return "Matrox"; - case ID('N', 'E', 'C'): return "NEC Corporation"; - case ID('N', 'E', 'X'): return "Nexgen Mediatech Inc."; - case ID('O', 'N', 'K'): return "ONKYO Corporation"; - case ID('O', 'R', 'N'): return "ORION ELECTRIC CO., LTD."; - case ID('O', 'T', 'M'): return "Optoma Corporation"; - case ID('O', 'V', 'R'): return "Oculus VR, Inc."; - case ID('P', 'H', 'L'): return "Philips Consumer Electronics Company"; - case ID('P', 'I', 'O'): return "Pioneer Electronic Corporation"; - case ID('P', 'N', 'R'): return "Planar Systems, Inc."; - case ID('Q', 'D', 'S'): return "Quanta Display Inc."; - case ID('R', 'A', 'T'): return "Rent-A-Tech"; - case ID('R', 'E', 'N'): return "Renesas Technology Corp."; - case ID('S', 'A', 'M'): return "Samsung Electric Company"; - case ID('S', 'A', 'N'): return "Sanyo Electric Co., Ltd."; - case ID('S', 'E', 'C'): return "Seiko Epson Corporation"; - case ID('S', 'H', 'P'): return "Sharp Corporation"; - case ID('S', 'I', 'I'): return "Silicon Image, Inc."; - case ID('S', 'N', 'Y'): return "Sony"; - case ID('S', 'T', 'D'): return "STD Computer Inc"; - case ID('S', 'V', 'S'): return "SVSI"; - case ID('S', 'Y', 'N'): return "Synaptics Inc"; - case ID('T', 'C', 'L'): return "Technical Concepts Ltd"; - case ID('T', 'O', 'P'): return "Orion Communications Co., Ltd."; - case ID('T', 'S', 'B'): return "Toshiba America Info Systems Inc"; - case ID('T', 'S', 'T'): return "Transtream Inc"; - case ID('U', 'N', 'K'): return "Unknown"; - case ID('V', 'E', 'S'): return "Vestel Elektronik Sanayi ve Ticaret A. S."; - case ID('V', 'I', 'T'): return "Visitech AS"; - case ID('V', 'I', 'Z'): return "VIZIO, Inc"; - case ID('V', 'L', 'V'): return "Valve"; - case ID('V', 'S', 'C'): return "ViewSonic Corporation"; - case ID('Y', 'M', 'H'): return "Yamaha Corporation"; - default: return "Unknown"; +static const char *get_manufacturer(struct udev_hwdb *hwdb, uint16_t code) { + static char pnp_id[4]; + + // The ASCII 3-letter manufacturer PnP ID is encoded in 5-bit codes + pnp_id[0] = ((code >> 10) & 0x1F) + '@'; + pnp_id[1] = ((code >> 5) & 0x1F) + '@'; + pnp_id[2] = ((code >> 0) & 0x1F) + '@'; + pnp_id[3] = '\0'; + + if (hwdb == NULL) { + return pnp_id; + } + + char query[32]; + snprintf(query, sizeof(query), "acpi:%s:", pnp_id); + struct udev_list_entry *acpi_entry = + udev_hwdb_get_properties_list_entry(hwdb, query, 0); + if (acpi_entry == NULL) { + return pnp_id; } -#undef ID + + struct udev_list_entry *vendor_entry = + udev_list_entry_get_by_name(acpi_entry, "ID_VENDOR_FROM_DATABASE"); + if (vendor_entry == NULL) { + return pnp_id; + } + + return udev_list_entry_get_value(vendor_entry); } /* See https://en.wikipedia.org/wiki/Extended_Display_Identification_Data for layout of EDID data. * We don't parse the EDID properly. We just expect to receive valid data. */ -void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *data) { +void parse_edid(struct wlr_drm_connector *conn, size_t len, const uint8_t *data) { + struct wlr_output *output = &conn->output; + if (!data || len < 128) { - snprintf(output->make, sizeof(output->make), "<Unknown>"); - snprintf(output->model, sizeof(output->model), "<Unknown>"); + snprintf(output->make, sizeof(output->make), "Unknown"); + snprintf(output->model, sizeof(output->model), "Unknown"); return; } uint16_t id = (data[8] << 8) | data[9]; - snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id)); + snprintf(output->make, sizeof(output->make), "%s", + get_manufacturer(conn->backend->hwdb, id)); uint16_t model = data[10] | (data[11] << 8); snprintf(output->model, sizeof(output->model), "0x%04X", model); diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index c5d3358f..dbc47364 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -58,6 +58,7 @@ struct wlr_drm_backend { const struct wlr_drm_interface *iface; clockid_t clock; bool addfb2_modifiers; + struct udev_hwdb *hwdb; int fd; char *name; diff --git a/include/backend/drm/util.h b/include/backend/drm/util.h index b4cdee7d..323894b5 100644 --- a/include/backend/drm/util.h +++ b/include/backend/drm/util.h @@ -2,15 +2,15 @@ #define BACKEND_DRM_UTIL_H #include <stdint.h> -#include <wlr/types/wlr_output.h> #include <xf86drm.h> #include <xf86drmMode.h> +struct wlr_drm_connector; + // Calculates a more accurate refresh rate (mHz) than what mode itself provides int32_t calculate_refresh_rate(const drmModeModeInfo *mode); // Populates the make/model/phys_{width,height} of output from the edid data -void parse_edid(struct wlr_output *restrict output, size_t len, - const uint8_t *data); +void parse_edid(struct wlr_drm_connector *conn, size_t len, const uint8_t *data); // Returns the string representation of a DRM output type const char *conn_get_name(uint32_t type_id); |