From: Marek Olšák <[email protected]>
This should improve performance for big copies that need to be split.
---
src/gallium/drivers/radeonsi/si_cp_dma.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c
b/src/gallium/drivers/radeonsi/si_cp_dma.c
index d4bd7b2..c563644 100644
--- a/src/gallium/drivers/radeonsi/si_cp_dma.c
+++ b/src/gallium/drivers/radeonsi/si_cp_dma.c
@@ -48,6 +48,7 @@ static void si_emit_cp_dma_copy_buffer(struct si_context
*sctx,
{
struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
uint32_t sync_flag = flags & R600_CP_DMA_SYNC ? S_411_CP_SYNC(1) : 0;
+ uint32_t wr_confirm = !(flags & R600_CP_DMA_SYNC) ?
S_414_DISABLE_WR_CONFIRM(1) : 0;
uint32_t raw_wait = flags & SI_CP_DMA_RAW_WAIT ? S_414_RAW_WAIT(1) : 0;
uint32_t sel = flags & CIK_CP_DMA_USE_L2 ?
S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2) |
@@ -70,7 +71,7 @@ static void si_emit_cp_dma_copy_buffer(struct si_context
*sctx,
radeon_emit(cs, sync_flag | ((src_va >> 32) & 0xffff)); /*
CP_SYNC [31] | SRC_ADDR_HI [15:0] */
radeon_emit(cs, dst_va); /* DST_ADDR_LO
[31:0] */
radeon_emit(cs, (dst_va >> 32) & 0xffff); /* DST_ADDR_HI
[15:0] */
- radeon_emit(cs, size | raw_wait); /* COMMAND
[29:22] | BYTE_COUNT [20:0] */
+ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND
[29:22] | BYTE_COUNT [20:0] */
}
}
@@ -81,6 +82,7 @@ static void si_emit_cp_dma_clear_buffer(struct si_context
*sctx,
{
struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
uint32_t sync_flag = flags & R600_CP_DMA_SYNC ? S_411_CP_SYNC(1) : 0;
+ uint32_t wr_confirm = !(flags & R600_CP_DMA_SYNC) ?
S_414_DISABLE_WR_CONFIRM(1) : 0;
uint32_t raw_wait = flags & SI_CP_DMA_RAW_WAIT ? S_414_RAW_WAIT(1) : 0;
uint32_t dst_sel = flags & CIK_CP_DMA_USE_L2 ?
S_411_DSL_SEL(V_411_DST_ADDR_TC_L2) : 0;
@@ -101,7 +103,7 @@ static void si_emit_cp_dma_clear_buffer(struct si_context
*sctx,
radeon_emit(cs, sync_flag | S_411_SRC_SEL(V_411_DATA)); /*
CP_SYNC [31] | SRC_SEL[30:29] */
radeon_emit(cs, dst_va); /* DST_ADDR_LO
[31:0] */
radeon_emit(cs, (dst_va >> 32) & 0xffff); /* DST_ADDR_HI
[15:0] */
- radeon_emit(cs, size | raw_wait); /* COMMAND
[29:22] | BYTE_COUNT [20:0] */
+ radeon_emit(cs, size | wr_confirm | raw_wait); /* COMMAND
[29:22] | BYTE_COUNT [20:0] */
}
}
--
2.1.4
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