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radeonsi: remove the early-out for SDMA in si_clear_buffer

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This allows the next patches to be simple while still being able
to make use of SDMA even in some unusual cases.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2017-02-13 12:51:36 +01:00
parent 239a9224a3
commit d9014952f5
1 changed files with 27 additions and 28 deletions
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55
src/gallium/drivers/radeonsi/si_cp_dma.c
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@ -223,35 +223,34 @@ static void si_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
!ws->cs_is_buffer_referenced(sctx->b.gfx.cs, rdst->buf,
RADEON_USAGE_READWRITE))) {
sctx->b.dma_clear_buffer(ctx, dst, offset, size, value);
return;
} else {
uint64_t va = rdst->gpu_address + offset;
/* Flush the caches. */
sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
SI_CONTEXT_CS_PARTIAL_FLUSH | flush_flags;
while (size) {
unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT);
unsigned dma_flags = tc_l2_flag | CP_DMA_CLEAR;
si_cp_dma_prepare(sctx, dst, NULL, byte_count, size, 0,
&is_first, &dma_flags);
/* Emit the clear packet. */
si_emit_cp_dma(sctx, va, value, byte_count, dma_flags, coher);
size -= byte_count;
va += byte_count;
}
if (tc_l2_flag)
rdst->TC_L2_dirty = true;
/* If it's not a framebuffer fast clear... */
if (coher == R600_COHERENCY_SHADER)
sctx->b.num_cp_dma_calls++;
}
uint64_t va = rdst->gpu_address + offset;
/* Flush the caches. */
sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
SI_CONTEXT_CS_PARTIAL_FLUSH | flush_flags;
while (size) {
unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT);
unsigned dma_flags = tc_l2_flag | CP_DMA_CLEAR;
si_cp_dma_prepare(sctx, dst, NULL, byte_count, size, 0,
&is_first, &dma_flags);
/* Emit the clear packet. */
si_emit_cp_dma(sctx, va, value, byte_count, dma_flags, coher);
size -= byte_count;
va += byte_count;
}
if (tc_l2_flag)
rdst->TC_L2_dirty = true;
/* If it's not a framebuffer fast clear... */
if (coher == R600_COHERENCY_SHADER)
sctx->b.num_cp_dma_calls++;
}
/**