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r600/eg: add crap indirect compute support. 

I think the cp packets can be made work, but I think it might
need a kernel change, so for now just do the worst thing.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2018-01-30 12:21:59 +10:00
parent 2f7205be47
commit f9c121c420
1 changed files with 19 additions and 7 deletions
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26
src/gallium/drivers/r600/evergreen_compute.c
View File

@ -630,13 +630,25 @@ static void evergreen_emit_dispatch(struct r600_context *rctx,
radeon_compute_set_context_reg(cs, R_0288E8_SQ_LDS_ALLOC,
lds_size | (num_waves << 14));
/* Dispatch packet */
radeon_emit(cs, PKT3C(PKT3_DISPATCH_DIRECT, 3, 0));
radeon_emit(cs, info->grid[0]);
radeon_emit(cs, info->grid[1]);
radeon_emit(cs, info->grid[2]);
/* VGT_DISPATCH_INITIATOR = COMPUTE_SHADER_EN */
radeon_emit(cs, 1);
if (info->indirect) {
struct r600_resource *indirect_resource = (struct r600_resource *)info->indirect;
unsigned *data = r600_buffer_map_sync_with_rings(&rctx->b, indirect_resource, PIPE_TRANSFER_READ);
if (data) {
radeon_emit(cs, PKT3C(PKT3_DISPATCH_DIRECT, 3, 0));
radeon_emit(cs, data[0]);
radeon_emit(cs, data[1]);
radeon_emit(cs, data[2]);
radeon_emit(cs, 1);
}
} else {
/* Dispatch packet */
radeon_emit(cs, PKT3C(PKT3_DISPATCH_DIRECT, 3, 0));
radeon_emit(cs, info->grid[0]);
radeon_emit(cs, info->grid[1]);
radeon_emit(cs, info->grid[2]);
/* VGT_DISPATCH_INITIATOR = COMPUTE_SHADER_EN */
radeon_emit(cs, 1);
}
if (rctx->is_debug)
eg_trace_emit(rctx);