drm/nouveau/bios: memset dcb struct to zero before parsing
Fixes type/mask calculation being based on uninitialised data for VGA outputs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -124,6 +124,7 @@ dcb_outp_parse(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len,
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struct dcb_output *outp)
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{
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u16 dcb = dcb_outp(bios, idx, ver, len);
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memset(outp, 0x00, sizeof(*outp));
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if (dcb) {
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if (*ver >= 0x20) {
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u32 conn = nv_ro32(bios, dcb + 0x00);
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