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video_core: CPU flip relay (#415)

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* video_core: cpu flip is propagated via gpu thread now

* tentative fix for cpu flips racing

* libraries: videoout: better flip status handling
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psucien 2024-08-14 11:36:11 +02:00 • committed by GitHub
parent ad3b6c793c
commit 27cb218584
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GPG key ID: B5690EEEBB952194
8 changed files with 98 additions and 33 deletions
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22
src/video_core/amdgpu/liverpool.cpp
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@ -35,7 +35,7 @@ void Liverpool::Process(std::stop_token stoken) {
{
std::unique_lock lk{submit_mutex};
Common::CondvarWait(submit_cv, lk, stoken,
[this] { return num_submits != 0 || submit_done; });
[this] { return num_commands || num_submits || submit_done; });
}
if (stoken.stop_requested()) {
break;
@ -45,7 +45,23 @@ void Liverpool::Process(std::stop_token stoken) {
int qid = -1;
while (num_submits) {
while (num_submits || num_commands) {
// Process incoming commands with high priority
while (num_commands) {
Common::UniqueFunction<void> callback{};
{
std::unique_lock lk{submit_mutex};
callback = std::move(command_queue.back());
command_queue.pop();
}
callback();
--num_commands;
}
qid = (qid + 1) % NumTotalQueues;
auto& queue = mapped_queues[qid];
@ -219,7 +235,7 @@ Liverpool::Task Liverpool::ProcessGraphics(std::span<const u32> dcb, std::span<c
// In the case of HW, render target memory has alignment as color block operates on
// tiles. There is no information of actual resource extents stored in CB context
// regs, so any deduction of it from slices/pitch will lead to a larger surface created.
// The same applies to the depth targets. Fortunatelly, the guest always sends
// The same applies to the depth targets. Fortunately, the guest always sends
// a trailing NOP packet right after the context regs setup, so we can use the heuristic
// below and extract the hint to determine actual resource dims.