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graphics: separate IRQ for GPU driven flips

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This commit is contained in:
psucien 2024-05-14 21:33:20 +02:00
parent 98316575fb
commit 8677972505
4 changed files with 63 additions and 33 deletions
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18
src/video_core/amdgpu/liverpool.cpp
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@ -25,8 +25,24 @@ void Liverpool::ProcessCmdList(u32* cmdbuf, u32 size_in_bytes) {
const PM4ItOpcode opcode = header->type3.opcode;
const u32 count = header->type3.NumWords();
switch (opcode) {
case PM4ItOpcode::Nop:
case PM4ItOpcode::Nop: {
const auto* nop = reinterpret_cast<PM4CmdNop*>(header);
if (nop->header.count.Value() == 0) {
break;
}
switch (nop->data_block[0]) {
case PM4CmdNop::PayloadType::PatchedFlip: {
// There is no evidence that GPU CP drives flip events by parsing
// special NOP packets. For convenience lets assume that it does.
Platform::IrqC::Instance()->Signal(Platform::InterruptId::GfxFlip);
break;
}
default:
break;
}
break;
}
case PM4ItOpcode::SetContextReg: {
const auto* set_data = reinterpret_cast<PM4CmdSetData*>(header);
std::memcpy(&regs.reg_array[ContextRegWordOffset + set_data->reg_offset],