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drm/radeon: use common cs packet parse function

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We now have a common radeon_cs_packet_parse function
that is good for all ASICs. Hook it up and eliminate
ASIC-specific versions.

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ilija Hadzic
2013-01-02 18:27:41 -05:00
committed by Alex Deucher
parent 4db013110c
commit c38f34b53e
5 changed files with 20 additions and 157 deletions
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55
drivers/gpu/drm/radeon/r100.c
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@@ -1369,53 +1369,6 @@ void r100_cs_dump_packet(struct radeon_cs_parser *p,
}
}
/**
* r100_cs_packet_parse() - parse cp packet and point ib index to next packet
* @parser: parser structure holding parsing context.
* @pkt: where to store packet informations
*
* Assume that chunk_ib_index is properly set. Will return -EINVAL
* if packet is bigger than remaining ib size. or if packets is unknown.
**/
int r100_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx)
{
struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
uint32_t header;
if (idx >= ib_chunk->length_dw) {
DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
idx, ib_chunk->length_dw);
return -EINVAL;
}
header = radeon_get_ib_value(p, idx);
pkt->idx = idx;
pkt->type = CP_PACKET_GET_TYPE(header);
pkt->count = CP_PACKET_GET_COUNT(header);
switch (pkt->type) {
case PACKET_TYPE0:
pkt->reg = CP_PACKET0_GET_REG(header);
pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
break;
case PACKET_TYPE3:
pkt->opcode = CP_PACKET3_GET_OPCODE(header);
break;
case PACKET_TYPE2:
pkt->count = -1;
break;
default:
DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
return -EINVAL;
}
if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
return -EINVAL;
}
return 0;
}
/**
* r100_cs_packet_next_vline() - parse userspace VLINE packet
* @parser: parser structure holding parsing context.
@@ -1444,7 +1397,7 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
ib = p->ib.ptr;
/* parse the wait until */
r = r100_cs_packet_parse(p, &waitreloc, p->idx);
r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
if (r)
return r;
@@ -1461,7 +1414,7 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
}
/* jump over the NOP */
r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
if (r)
return r;
@@ -1531,7 +1484,7 @@ int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
}
*cs_reloc = NULL;
relocs_chunk = &p->chunks[p->chunk_relocs_idx];
r = r100_cs_packet_parse(p, &p3reloc, p->idx);
r = radeon_cs_packet_parse(p, &p3reloc, p->idx);
if (r) {
return r;
}
@@ -2100,7 +2053,7 @@ int r100_cs_parse(struct radeon_cs_parser *p)
r100_cs_track_clear(p->rdev, track);
p->track = track;
do {
r = r100_cs_packet_parse(p, &pkt, p->idx);
r = radeon_cs_packet_parse(p, &pkt, p->idx);
if (r) {
return r;
}