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intel/gen_decoder: Fix length for Media State/Object commands

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From BDW PRM, Volume 6: Command Stream Programming, 'Render Command
Header Format'.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Jordan Justen 2017-03-28 11:55:26 -07:00
parent 3c77a57222
commit 7c33372f82
1 changed files with 10 additions and 2 deletions
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12
src/intel/common/gen_decoder.c
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@ -697,8 +697,16 @@ gen_group_get_length(struct gen_group *group, const uint32_t *p)
return field(h, 0, 7) + 2;
case 1:
return 1;
case 2:
return 2;
case 2: {
uint32_t opcode = field(h, 24, 26);
assert(opcode < 3 /* 3 and above currently reserved */);
if (opcode == 0)
return field(h, 0, 7) + 2;
else if (opcode < 3)
return field(h, 0, 15) + 2;
else
return 1; /* FIXME: if more opcodes are added */
}
case 3:
return field(h, 0, 7) + 2;
}