AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

radv: add gfx9 cp dma support.

Browse Source 
This adds support to the CP dma code for GFX9, ported from
radeonsi.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2017-06-06 08:47:22 +10:00
parent 41eba750ba
commit 77b8aa4d95
1 changed files with 16 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/vulkan/si_cmd_buffer.c
+16 -5
View File
@@ -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)