[Mesa-dev] [PATCH 1/2] clover/device: Get device/host unified memory from pipe driver
Aaron Watry
awatry at gmail.com
Tue Jun 13 00:41:22 UTC 2017
Humble ping for this one.
--Aaron
On Sun, Jun 4, 2017 at 7:32 PM, Aaron Watry <awatry at gmail.com> wrote:
> clinfo no longer reports my discrete GCN card as unified memory
>
> Signed-off-by: Aaron Watry <awatry at gmail.com>
> ---
> src/gallium/state_trackers/clover/api/device.cpp | 2 +-
> src/gallium/state_trackers/clover/core/device.cpp | 5 +++++
> src/gallium/state_trackers/clover/core/device.hpp | 1 +
> 3 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/state_trackers/clover/api/device.cpp b/src/gallium/state_trackers/clover/api/device.cpp
> index a80ca46654..0b33350bb2 100644
> --- a/src/gallium/state_trackers/clover/api/device.cpp
> +++ b/src/gallium/state_trackers/clover/api/device.cpp
> @@ -336,7 +336,7 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info param,
> break;
>
> case CL_DEVICE_HOST_UNIFIED_MEMORY:
> - buf.as_scalar<cl_bool>() = CL_TRUE;
> + buf.as_scalar<cl_bool>() = dev.has_unified_memory();
> break;
>
> case CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR:
> diff --git a/src/gallium/state_trackers/clover/core/device.cpp b/src/gallium/state_trackers/clover/core/device.cpp
> index 158c9aa696..8dfba1ad9f 100644
> --- a/src/gallium/state_trackers/clover/core/device.cpp
> +++ b/src/gallium/state_trackers/clover/core/device.cpp
> @@ -189,6 +189,11 @@ device::has_doubles() const {
> return pipe->get_param(pipe, PIPE_CAP_DOUBLES);
> }
>
> +bool
> +device::has_unified_memory() const {
> + return pipe->get_param(pipe, PIPE_CAP_UMA);
> +}
> +
> std::vector<size_t>
> device::max_block_size() const {
> auto v = get_compute_param<uint64_t>(pipe, ir_format(),
> diff --git a/src/gallium/state_trackers/clover/core/device.hpp b/src/gallium/state_trackers/clover/core/device.hpp
> index 94a61d1050..7b3353df34 100644
> --- a/src/gallium/state_trackers/clover/core/device.hpp
> +++ b/src/gallium/state_trackers/clover/core/device.hpp
> @@ -67,6 +67,7 @@ namespace clover {
> cl_uint max_compute_units() const;
> bool image_support() const;
> bool has_doubles() const;
> + bool has_unified_memory() const;
>
> std::vector<size_t> max_block_size() const;
> cl_uint subgroup_size() const;
> --
> 2.11.0
>
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