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| author | Marek Olšák <marek.olsak@amd.com> | 2015-10-31 01:03:42 +0100 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2015-11-07 10:22:12 +0100 |
| commit | c3e527f93d4281ad6e2ca165eaf6ff588e4faefa (patch) | |
| tree | 96eecbf0a0449d9d92a66f9d499ef6c8f8e7a4c9 /src | |
| parent | 8e9ade7eb3582fc541700ade1d232a329da890b0 (diff) | |
| download | external_mesa3d-c3e527f93d4281ad6e2ca165eaf6ff588e4faefa.zip external_mesa3d-c3e527f93d4281ad6e2ca165eaf6ff588e4faefa.tar.gz external_mesa3d-c3e527f93d4281ad6e2ca165eaf6ff588e4faefa.tar.bz2 | |
radeonsi: only enable write confirmation on the last CP DMA packet
This should improve performance for big copies that need to be split.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_cp_dma.c | 6 |
1 files 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] */ } } |