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gallium/u_threaded: call the driver to pin threads to L3 immediately

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This is thread-safe and we want it to be done immediately for good L3 cache
usage.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4369>
This commit is contained in:
Marek Olšák 2020-03-22 14:07:03 -04:00
parent 4de35bed42
commit 4df3c7a207
1 changed files with 14 additions and 6 deletions
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20
src/gallium/auxiliary/util/u_threaded_context.c
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@ -1936,6 +1936,20 @@ tc_set_context_param(struct pipe_context *_pipe,
{
struct threaded_context *tc = threaded_context(_pipe);
if (param == PIPE_CONTEXT_PARAM_PIN_THREADS_TO_L3_CACHE) {
/* Pin the gallium thread as requested. */
util_pin_thread_to_L3(tc->queue.threads[0], value,
util_cpu_caps.cores_per_L3);
/* Execute this immediately (without enqueuing).
* It's required to be thread-safe.
*/
struct pipe_context *pipe = tc->pipe;
if (pipe->set_context_param)
pipe->set_context_param(pipe, param, value);
return;
}
if (tc->pipe->set_context_param) {
struct tc_context_param *payload =
tc_add_struct_typed_call(tc, TC_CALL_set_context_param,
@ -1944,12 +1958,6 @@ tc_set_context_param(struct pipe_context *_pipe,
payload->param = param;
payload->value = value;
}
if (param == PIPE_CONTEXT_PARAM_PIN_THREADS_TO_L3_CACHE) {
/* Pin the gallium thread as requested. */
util_pin_thread_to_L3(tc->queue.threads[0], value,
util_cpu_caps.cores_per_L3);
}
}