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radv/gfx9: allocate events from uncached VA space

Browse source 
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

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: "17.2" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-09-06 20:40:57 -07:00
parent 76ac8fafad
commit e8d57802fe
3 changed files with 8 additions and 3 deletions
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2
src/amd/vulkan/radv_device.c
View file

@ -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;

3
src/amd/vulkan/radv_radeon_winsys.h
View file

@ -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 */

6
src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
View file

@ -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;