[Mesa-dev] [PATCH 2/2] radv/gfx9: allocate events from uncached VA space
Dave Airlie
airlied at gmail.com
Thu Sep 7 20:00:45 UTC 2017
From: Dave Airlie <airlied at redhat.com>
This copies what amdgpu-pro does, and allocates the memory
for an event with an uncached mtype.
This fixes hangs with:
dEQP-VK.api.command_buffers.record_simul_use_primary
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/amd/vulkan/radv_device.c | 2 +-
src/amd/vulkan/radv_radeon_winsys.h | 3 ++-
src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c | 6 +++++-
3 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 7c218b1..bf7552e 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -2789,7 +2789,7 @@ VkResult radv_CreateEvent(
event->bo = device->ws->buffer_create(device->ws, 8, 8,
RADEON_DOMAIN_GTT,
- RADEON_FLAG_CPU_ACCESS);
+ RADEON_FLAG_VA_UNCACHED | RADEON_FLAG_CPU_ACCESS);
if (!event->bo) {
vk_free2(&device->alloc, pAllocator, event);
return VK_ERROR_OUT_OF_DEVICE_MEMORY;
diff --git a/src/amd/vulkan/radv_radeon_winsys.h b/src/amd/vulkan/radv_radeon_winsys.h
index 8e2ba74..a9c1f54 100644
--- a/src/amd/vulkan/radv_radeon_winsys.h
+++ b/src/amd/vulkan/radv_radeon_winsys.h
@@ -51,7 +51,8 @@ enum radeon_bo_flag { /* bitfield */
RADEON_FLAG_GTT_WC = (1 << 0),
RADEON_FLAG_CPU_ACCESS = (1 << 1),
RADEON_FLAG_NO_CPU_ACCESS = (1 << 2),
- RADEON_FLAG_VIRTUAL = (1 << 3)
+ RADEON_FLAG_VIRTUAL = (1 << 3),
+ RADEON_FLAG_VA_UNCACHED = (1 << 4),
};
enum radeon_bo_usage { /* bitfield */
diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
index 95290a4..325f875 100644
--- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
+++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
@@ -340,7 +340,11 @@ radv_amdgpu_winsys_bo_create(struct radeon_winsys *_ws,
goto error_bo_alloc;
}
- r = radv_amdgpu_bo_va_op(ws->dev, buf_handle, 0, size, va, 0, AMDGPU_VA_OP_MAP);
+
+ uint32_t va_flags = 0;
+ if (flags & RADEON_FLAG_VA_UNCACHED)
+ va_flags |= AMDGPU_VM_MTYPE_UC;
+ r = radv_amdgpu_bo_va_op(ws->dev, buf_handle, 0, size, va, flags, AMDGPU_VA_OP_MAP);
if (r)
goto error_va_map;
--
2.9.4
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