Mesa (master): radv: Emit cache flushes before CP DMA.

[Bas Nieuwenhuizen]

Module: Mesa
Branch: master
Commit: cce43f6d8c40222099badaf52344d6a0eed993f3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cce43f6d8c40222099badaf52344d6a0eed993f3

Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date:   Tue Mar 14 21:46:54 2017 +0100

radv: Emit cache flushes before CP DMA.

The flushes could be due to TRANSFER barriers.

Signed-off-by: Bas Nieuwenhuizen <basni at google.com>
Cc: 17.0 <mesa-stable at lists.freedesktop.org>
Reviewed-by: Dave Airlie <airlied at redhat.com>

---

 src/amd/vulkan/si_cmd_buffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 5d35287..b808052 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -998,6 +998,7 @@ void si_cp_dma_buffer_copy(struct radv_cmd_buffer *cmd_buffer,
 	uint64_t main_src_va, main_dest_va;
 	uint64_t skipped_size = 0, realign_size = 0;
 
+	si_emit_cache_flush(cmd_buffer);
 
 	if (cmd_buffer->device->physical_device->rad_info.family <= CHIP_CARRIZO ||
 	    cmd_buffer->device->physical_device->rad_info.family == CHIP_STONEY) {
@@ -1061,6 +1062,8 @@ void si_cp_dma_clear_buffer(struct radv_cmd_buffer *cmd_buffer, uint64_t va,
 
 	assert(va % 4 == 0 && size % 4 == 0);
 
+	si_emit_cache_flush(cmd_buffer);
+
 	while (size) {
 		unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT);
 		unsigned dma_flags = 0;