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Add config parameters for GPU clocking

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This commit is contained in:
Marc Di Luzio
2019-01-30 21:12:11 +00:00
parent aeaef7377d
commit b1bf33d386
6 changed files with 120 additions and 8 deletions
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45
daemon/gamemode-gpu.c
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@ -36,6 +36,8 @@ POSSIBILITY OF SUCH DAMAGE.
#include "helpers.h"
#include "logging.h"
#include "daemon_config.h"
// TODO
// Gather GPU type and information
// Allow configuration file specifying of gpu info
@ -56,13 +58,19 @@ enum GPUVendor {
struct GameModeGPUInfo {
enum GPUVendor vendor;
int device; /* path to device, ie. /sys/class/drm/card#/ */
long core; /* Core clock to apply */
long mem; /* Mem clock to apply */
};
/**
* Applies or removes Nvidia optimisations
*/
static int apply_gpu_nvidia(bool apply)
static int apply_gpu_nvidia(const GameModeGPUInfo *info, bool apply)
{
if (!info)
return 0;
// Running these commands:
// nvidia-settings -a '[gpu:0]/GPUMemoryTransferRateOffset[3]=1400'
// nvidia-settings -a '[gpu:0]/GPUGraphicsClockOffset[3]=50'
@ -76,8 +84,11 @@ static int apply_gpu_nvidia(bool apply)
/**
* Applies or removes AMD optimisations
*/
static int apply_gpu_amd(bool apply)
static int apply_gpu_amd(const GameModeGPUInfo *info, bool apply)
{
if (!info)
return 0;
// We'll want to set both the following:
// core: device/pp_sclk_od (0%+ additional)
// mem: device/pp_mclk_od (0%+ additional)
@ -92,7 +103,7 @@ static int apply_gpu_amd(bool apply)
/**
* Attempts to identify the current in use GPU information
*/
int game_mode_identify_gpu(GameModeGPUInfo **info)
int game_mode_initialise_gpu(GameModeConfig *config, GameModeGPUInfo **info)
{
int status = 0;
@ -100,12 +111,32 @@ int game_mode_identify_gpu(GameModeGPUInfo **info)
if (!info || *info)
FATAL_ERROR("Invalid GameModeGPUInfo passed to %s", __func__);
/* Early out if we have this feature turned off */
long apply = 0;
config_get_apply_gpu_optimisations(config, &apply);
if (apply == 0)
return 0;
/* Create the context */
GameModeGPUInfo *new_info = malloc(sizeof(GameModeGPUInfo));
memset(new_info, 0, sizeof(GameModeGPUInfo));
// TODO: Fill in the GPU info
/* Load the config based on GPU */
switch (new_info->vendor) {
case Vendor_NVIDIA:
config_get_nv_core_clock_mhz_offset(config, &new_info->core);
config_get_nv_mem_clock_mhz_offset(config, &new_info->mem);
break;
case Vendor_AMD:
config_get_amd_core_clock_percentage(config, &new_info->core);
config_get_amd_mem_clock_percentage(config, &new_info->mem);
break;
default:
break;
}
/* Give back the new gpu info */
*info = new_info;
@ -125,11 +156,15 @@ void game_mode_free_gpu(GameModeGPUInfo **info)
*/
int game_mode_apply_gpu(const GameModeGPUInfo *info, bool apply)
{
// Null info means don't apply anything
if (!info)
return 0;
switch (info->vendor) {
case Vendor_NVIDIA:
return apply_gpu_nvidia(apply);
return apply_gpu_nvidia(info, apply);
case Vendor_AMD:
return apply_gpu_amd(apply);
return apply_gpu_amd(info, apply);
default:
break;
}