diff options
| author | Francisco Jerez <[email protected]> | 2016-05-16 16:03:33 -0700 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2016-05-27 23:28:59 -0700 |
| commit | fe5cdde2f9f84022b512de1fa42a036a371d31ba (patch) | |
| tree | 3dae4dd78b2b44dc27c8b52a6005b1efd28ea8e0 /src/mesa | |
| parent | fc7107de1d7cac6be817e8951e53f997c248c277 (diff) | |
i965/eu: Fix Gen7+ DP scratch message size calculation on Gen7.
Gen7 hardware expects the block size field in the message descriptor
to be the number of registers minus one instead of the log2 of the
number of registers.
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 9dba818b1b3..6cbe673e94d 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -817,13 +817,16 @@ gen7_set_dp_scratch_message(struct brw_codegen *p, const struct brw_device_info *devinfo = p->devinfo; assert(num_regs == 1 || num_regs == 2 || num_regs == 4 || (devinfo->gen >= 8 && num_regs == 8)); + const unsigned block_size = (devinfo->gen >= 8 ? _mesa_logbase2(num_regs) : + num_regs - 1); + brw_set_message_descriptor(p, inst, GEN7_SFID_DATAPORT_DATA_CACHE, mlen, rlen, header_present, false); brw_inst_set_dp_category(devinfo, inst, 1); /* Scratch Block Read/Write msgs */ brw_inst_set_scratch_read_write(devinfo, inst, write); brw_inst_set_scratch_type(devinfo, inst, dword); brw_inst_set_scratch_invalidate_after_read(devinfo, inst, invalidate_after_read); - brw_inst_set_scratch_block_size(devinfo, inst, ffs(num_regs) - 1); + brw_inst_set_scratch_block_size(devinfo, inst, block_size); brw_inst_set_scratch_addr_offset(devinfo, inst, addr_offset); } |