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radv: Support SDMA in radv_cs_write_data_head.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Tatsuyuki Ishi <ishitatsuyuki@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25833>
This commit is contained in:
Timur Kristóf
2023-10-20 22:10:50 +02:00
committed by Marge Bot
parent 5308378a35
commit 04a3ed8a92
1 changed files with 16 additions and 6 deletions
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src/amd/vulkan/radv_cs.h
+16 -6
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@@ -228,15 +228,25 @@ ALWAYS_INLINE static unsigned
radv_cs_write_data_head(const struct radv_device *device, struct radeon_cmdbuf *cs, const enum radv_queue_family qf,
const unsigned engine_sel, const uint64_t va, const unsigned count, const bool predicating)
{
assert(qf == RADV_QUEUE_GENERAL || qf == RADV_QUEUE_COMPUTE);
/* Return the correct cdw at the end of the packet so the caller can assert it. */
const unsigned cdw_end = radeon_check_space(device->ws, cs, 4 + count);
radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 2 + count, predicating));
radeon_emit(cs, S_370_DST_SEL(V_370_MEM) | S_370_WR_CONFIRM(1) | S_370_ENGINE_SEL(engine_sel));
radeon_emit(cs, va);
radeon_emit(cs, va >> 32);
if (qf == RADV_QUEUE_GENERAL || qf == RADV_QUEUE_COMPUTE) {
radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 2 + count, predicating));
radeon_emit(cs, S_370_DST_SEL(V_370_MEM) | S_370_WR_CONFIRM(1) | S_370_ENGINE_SEL(engine_sel));
radeon_emit(cs, va);
radeon_emit(cs, va >> 32);
} else if (qf == RADV_QUEUE_TRANSFER) {
/* Vulkan transfer queues don't support conditional rendering, so we can ignore predication here.
* Furthermore, we can ignore the engine selection here, it is meaningless to the SDMA.
*/
radeon_emit(cs, CIK_SDMA_PACKET(CIK_SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0));
radeon_emit(cs, va);
radeon_emit(cs, va >> 32);
radeon_emit(cs, count - 1);
} else {
unreachable("unsupported queue family");
}
return cdw_end;
}