Skip to content

Fix panthor drm driver #1788

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
pdapandapda wants to merge 9 commits into
base: master
Choose a base branch
from
Open

Fix panthor drm driver #1788

Show file tree
Hide file tree
Changes from 8 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
efcbbb7
Update gpu_fdinfo.cpp to fix panthor drm driver
pdapandapda Aug 26, 2025
ee2cb5b
Update gpu_fdinfo.h to fix panthor drm driver
pdapandapda Aug 26, 2025
59970c8
Update gpu.h to fix panthor drm driver
pdapandapda Aug 26, 2025
ba5e032
Update README.md to add panthor information
pdapandapda Aug 26, 2025
86da677
Update gpu_fdinfo.cpp
pdapandapda Aug 27, 2025
f2f9241
delete get_gpu_time_panthor delaration
pdapandapda Aug 27, 2025
ec97816
Update README.md
pdapandapda Aug 27, 2025
62cf55d
Update README.md
pdapandapda Aug 27, 2025
f425875
Update README.md
pdapandapda Aug 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -691,3 +691,4 @@ Example output:

#### Panfrost notes

@17314642 17314642 Aug 29, 2025

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

just write this:

#### Panfrost and Panthor notes
- GPU usage requires `echo N | sudo tee /sys/class/drm/renderD*/device/profiling`
  - Where N is a number, 1 for panfrost and 3 for panthor.

- GPU usage requires `echo 1 | sudo tee /sys/class/drm/renderD*/device/profiling`
- If your linux kenel is newer than 6.10 and using "Panthor" drm driver,requires `echo 3 | sudo tee /sys/class/drm/renderD*/device/profiling`
6 changes: 3 additions & 3 deletions src/gpu.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ class GPU {

if (
driver == "i915" || driver == "xe" || driver == "panfrost" ||
driver == "msm_dpu" || driver == "msm_drm"
driver == "msm_dpu" || driver == "msm_drm" || driver == "panthor"
)
fdinfo = std::make_unique<GPU_fdinfo>(driver, pci_dev, drm_node);
}
Expand Down Expand Up @@ -202,8 +202,8 @@ class GPUS {
std::string get_pci_device_address(const std::string& drm_card_path);
std::string get_driver(const std::string& node);

const std::array<std::string, 7> supported_drivers = {
"amdgpu", "nvidia", "i915", "xe", "panfrost", "msm_dpu", "msm_drm"
const std::array<std::string, 8> supported_drivers = {
"amdgpu", "nvidia", "i915", "xe", "panfrost", "msm_dpu", "msm_drm", "panthor"
};
};

Expand Down
23 changes: 21 additions & 2 deletions src/gpu_fdinfo.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#include "hud_elements.h"
#endif

#include <fstream>
namespace fs = ghc::filesystem;

void GPU_fdinfo::find_fd()
Expand Down Expand Up @@ -168,7 +169,7 @@ void GPU_fdinfo::find_hwmon_sensors()

if (module == "msm")
hwmon = find_hwmon_sensor_dir("gpu");
else if (module == "panfrost")
else if (module == "panfrost" || module == "panthor")
hwmon = find_hwmon_sensor_dir("gpu_thermal");
else
hwmon = find_hwmon_dir();
Expand Down Expand Up @@ -529,7 +530,10 @@ int GPU_fdinfo::get_gpu_clock()
{
if (module == "panfrost")
return get_gpu_clock_panfrost();


if (module == "panthor")
return get_gpu_clock_panthor();

if (!gpu_clock_stream.is_open())
return 0;

Expand All @@ -545,6 +549,20 @@ int GPU_fdinfo::get_gpu_clock()
return std::stoi(clock_str);
}

int GPU_fdinfo::get_gpu_clock_panthor() {
if (fdinfo_data.empty())
return 0;

auto freq_str = fdinfo_data[0]["drm-curfreq-panthor"];

if (freq_str.empty())
return 0;

float freq = std::stoull(freq_str) / 1'000'000;

return std::round(freq);
}

int GPU_fdinfo::get_gpu_clock_panfrost() {
if (fdinfo_data.empty())
return 0;
Expand Down Expand Up @@ -591,6 +609,7 @@ int GPU_fdinfo::get_throttling_status()
check_throttle_reasons(throttle_current_streams) * GPU_throttle_status::CURRENT +
check_throttle_reasons(throttle_temp_streams) * GPU_throttle_status::TEMP;
// No throttle reasons for OTHER currently

if (reasons == 0)
reasons |= GPU_throttle_status::OTHER;

Expand Down
5 changes: 5 additions & 0 deletions src/gpu_fdinfo.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,8 @@ class GPU_fdinfo {
uint64_t get_gpu_time_panfrost();
int get_gpu_clock_panfrost();

int get_gpu_clock_panthor();

std::ifstream throttle_status_stream;
std::vector<std::ifstream> throttle_power_streams;
std::vector<std::ifstream> throttle_current_streams;
Expand Down Expand Up @@ -150,6 +152,9 @@ class GPU_fdinfo {
} else if (module == "panfrost") {
drm_engine_type = "drm-engine-fragment";
drm_memory_type = "drm-resident-memory";
} else if (module == "panthor") {
drm_engine_type = "drm-engine-panthor";
drm_memory_type = "panthor-resident-memory";
}

if (fdinfo_data.size() > 0 &&
Expand Down