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intel/decoder: Handle gen4 VF_STATISTICS and PIPELINE_SELECT 

These need special handling because they have no "DWord Length"
parameter and they have an unusual bias of 1.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jason Ekstrand 2017-05-15 20:40:40 -07:00
parent 87588e546e
commit 9d1001c8e5
1 changed files with 7 additions and 2 deletions
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9
src/intel/common/gen_decoder.c
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@ -706,9 +706,12 @@ gen_group_get_length(struct gen_group *group, const uint32_t *p)
case 3: /* Render */ {
uint32_t subtype = field(h, 27, 28);
uint32_t opcode = field(h, 24, 26);
uint16_t whole_opcode = field(h, 16, 31);
switch (subtype) {
case 0:
if (opcode < 2)
if (whole_opcode == 0x6104 /* PIPELINE_SELECT_965 */)
return 1;
else if (opcode < 2)
return field(h, 0, 7) + 2;
else
return -1;
@ -726,7 +729,9 @@ gen_group_get_length(struct gen_group *group, const uint32_t *p)
return -1;
}
case 3:
if (opcode < 4)
if (whole_opcode == 0x780b)
return 1;
else if (opcode < 4)
return field(h, 0, 7) + 2;
else
return -1;