From 77b8aa4d95678cf30210339d2afb75c7d1749f57 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 6 Jun 2017 08:47:22 +1000 Subject: [PATCH] radv: add gfx9 cp dma support. This adds support to the CP dma code for GFX9, ported from radeonsi. Reviewed-by: Bas Nieuwenhuizen Signed-off-by: Dave Airlie --- src/amd/vulkan/si_cmd_buffer.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c index d111c988814..604a5e218ad 100644 --- a/src/amd/vulkan/si_cmd_buffer.c +++ b/src/amd/vulkan/si_cmd_buffer.c @@ -996,7 +996,9 @@ si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer) /* The max number of bytes that can be copied per packet. */ static inline unsigned cp_dma_max_byte_count(struct radv_cmd_buffer *cmd_buffer) { - unsigned max = S_414_BYTE_COUNT_GFX6(~0u); + unsigned max = cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9 ? + S_414_BYTE_COUNT_GFX9(~0u) : + S_414_BYTE_COUNT_GFX6(~0u); /* make it aligned for optimal performance */ return max & ~(SI_CPDMA_ALIGNMENT - 1); @@ -1017,21 +1019,30 @@ static void si_emit_cp_dma(struct radv_cmd_buffer *cmd_buffer, assert(size <= cp_dma_max_byte_count(cmd_buffer)); radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 9); - - command |= S_414_BYTE_COUNT_GFX6(size); + if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) + command |= S_414_BYTE_COUNT_GFX9(size); + else + command |= S_414_BYTE_COUNT_GFX6(size); /* Sync flags. */ if (flags & CP_DMA_SYNC) header |= S_411_CP_SYNC(1); else { - command |= S_414_DISABLE_WR_CONFIRM_GFX6(1); + if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) + command |= S_414_DISABLE_WR_CONFIRM_GFX9(1); + else + command |= S_414_DISABLE_WR_CONFIRM_GFX6(1); } if (flags & CP_DMA_RAW_WAIT) command |= S_414_RAW_WAIT(1); /* Src and dst flags. */ - if (flags & CP_DMA_USE_L2) + if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9 && + !(flags & CP_DMA_CLEAR) && + src_va == dst_va) + header |= S_411_DSL_SEL(V_411_NOWHERE); /* prefetch only */ + else if (flags & CP_DMA_USE_L2) header |= S_411_DSL_SEL(V_411_DST_ADDR_TC_L2); if (flags & CP_DMA_CLEAR) -- 2.30.2