ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2025-04-08 03:45:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

gpu/intel: add more supported chips

Browse Source 
support for Gen > 8

+ determine platform, revision and stepping

issue #4254
This commit is contained in:
Alexander Boettcher 2021-07-23 09:51:15 +02:00 committed by Christian Helmuth
parent 0aa17661cc
commit de8327c11a
2 changed files with 62 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
repos/os/src/drivers/gpu/intel/context.h
View File

@ -29,6 +29,8 @@ namespace Igd {
struct Common_context_regs;
struct Generation;
struct Hardware_status_page;
template <addr_t RING_BASE> class Execlist_context;
template <addr_t RING_BASE> class Ppgtt_context;
@ -39,6 +41,7 @@ namespace Igd {
class Rcs_context;
}
struct Igd::Generation { unsigned value; };
/*
* IHD-OS-BDW-Vol 6-11.15 p. 8

69
repos/os/src/drivers/gpu/intel/main.cc
View File

@ -57,7 +57,12 @@ namespace Igd {
struct Igd::Device_info
{
enum Platform { UNKNOWN, BROADWELL, SKYLAKE, KABYLAKE };
enum Stepping { A0, B0, C0, D0, D1, E0, F0, G0 };
uint16_t id;
uint8_t generation;
Platform platform;
char const *descr;
uint64_t features;
};
@ -67,10 +72,13 @@ struct Igd::Device_info
* IHD-OS-BDW-Vol 4-11.15 p. 9
*/
static Igd::Device_info _supported_devices[] = {
{ 0x1606, "HD Graphics (BDW GT1 ULT)", 0ull },
{ 0x1616, "HD Graphics 5500 (BDW GT2 ULT)", 0ull },
{ 0x1606, 8, Igd::Device_info::Platform::BROADWELL, "HD Graphics (BDW GT1 ULT)", 0ull },
{ 0x1616, 8, Igd::Device_info::Platform::BROADWELL, "HD Graphics 5500 (BDW GT2 ULT)", 0ull },
/* TODO proper eDRAM probing + caching */
{ 0x1622, "Iris Pro Graphics 6200 (BDW GT3e)", 0ull },
{ 0x1622, 8, Igd::Device_info::Platform::BROADWELL, "Iris Pro Graphics 6200 (BDW GT3e)", 0ull },
{ 0x1916, 9, Igd::Device_info::Platform::SKYLAKE, "HD Graphics 520 (Skylake, Gen9)", 0ull },
{ 0x191b, 9, Igd::Device_info::Platform::SKYLAKE, "HD Graphics 530 (Skylake, Gen9)", 0ull },
{ 0x5917, 9, Igd::Device_info::Platform::KABYLAKE, "UHD Graphics 620 (Kaby Lake, Gen9p5)", 0ull },
};
#define ELEM_NUMBER(x) (sizeof((x)) / sizeof((x)[0]))
@ -91,7 +99,7 @@ struct Igd::Device
** PCI **
*********/
Resources &_resources;
Resources &_resources;
Platform::Device_client &_device { _resources.gpu_client() };
struct Pci_backend_alloc : Utils::Backend_alloc
@ -120,18 +128,20 @@ struct Igd::Device
Device_info _info { };
uint8_t _revision { };
void _pci_info(char const *descr)
{
using namespace Genode;
uint16_t const vendor_id = _device.vendor_id();
uint16_t const device_id = _device.device_id();
uint16_t const vendor_id = _device.vendor_id();
uint16_t const device_id = _device.device_id();
uint8_t bus = 0, dev = 0, fun = 0;
_device.bus_address(&bus, &dev, &fun);
log("Found: '", descr, "' ",
log("Found: '", descr, "' gen=", _info.generation,
" rev=", _revision, " ",
"[", Hex(vendor_id), ":", Hex(device_id), "] (",
Hex(bus, Hex::OMIT_PREFIX), ":",
Hex(dev, Hex::OMIT_PREFIX), ".",
@ -159,7 +169,8 @@ struct Igd::Device
uint16_t const id = _device.device_id();
for (size_t i = 0; i < ELEM_NUMBER(_supported_devices); i++) {
if (_supported_devices[i].id == id) {
_info = _supported_devices[i];
_info = _supported_devices[i];
_revision = _resources.config_read<uint8_t>(8);
_pci_info(_supported_devices[i].descr);
return true;
}
@ -946,15 +957,53 @@ struct Igd::Device
void reset() { _device_reset_and_init(); }
/**
* Get chip id of the phyiscal device
* Get chip id of the physical device
*/
uint16_t id() const { return _info.id; }
/**
* Get features of the phyiscal device
* Get features of the physical device
*/
uint32_t features() const { return _info.features; }
/**
* Get generation of the physical device
*/
Igd::Generation generation() const {
return Igd::Generation { _info.generation }; }
bool match(Device_info::Platform const platform,
Device_info::Stepping const stepping_start,
Device_info::Stepping const stepping_end)
{
if (_info.platform != platform)
return false;
/* XXX only limited support, for now just kabylake */
if (platform != Device_info::Platform::KABYLAKE) {
Genode::warning("unsupported platform match request");
return false;
}
Device_info::Stepping stepping = Device_info::Stepping::A0;
switch (_revision) {
case 0: stepping = Device_info::Stepping::A0; break;
case 1: stepping = Device_info::Stepping::B0; break;
case 2: stepping = Device_info::Stepping::C0; break;
case 3: stepping = Device_info::Stepping::D0; break;
case 4: stepping = Device_info::Stepping::F0; break;
case 5: stepping = Device_info::Stepping::C0; break;
case 6: stepping = Device_info::Stepping::D1; break;
case 7: stepping = Device_info::Stepping::G0; break;
default:
Genode::error("unsupported KABYLAKE revision detected");
break;
}
return stepping_start <= stepping && stepping <= stepping_end;
}
/*******************
** Vgpu handling **
*******************/