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Configure outputs with make, model, serial in rootston

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Added fallbacks in DRM backend in case EDID extension data for model and serial is missing.

Updates #403
This commit is contained in:
emersion 2017-12-07 13:59:19 +01:00
parent aead5019a7
commit 91d72040e5
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 17 additions and 6 deletions
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6
backend/drm/util.c
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@ -93,6 +93,12 @@ void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *d
uint16_t id = (data[8] << 8) | data[9];
snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id));
uint16_t model = data[10] | (data[11] << 8);
snprintf(output->model, sizeof(output->model), "0x%04X", model);
uint32_t serial = data[12] | (data[13] << 8) | (data[14] << 8) | (data[15] << 8);
snprintf(output->serial, sizeof(output->serial), "0x%08X", serial);
output->phys_width = ((data[68] & 0xf0) << 4) | data[66];
output->phys_height = ((data[68] & 0x0f) << 8) | data[67];