diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 81 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_pp_interface.h | 12 |
3 files changed, 99 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index 8a8d09dd8750..986f1d568758 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -366,6 +366,14 @@ enum amdgpu_pcie_gen { (adev)->powerplay.pp_handle, virtual_addr_low, \ virtual_addr_hi, mc_addr_low, mc_addr_hi, size) +#define amdgpu_dpm_get_power_profile_mode(adev, buf) \ + ((adev)->powerplay.pp_funcs->get_power_profile_mode(\ + (adev)->powerplay.pp_handle, buf)) + +#define amdgpu_dpm_set_power_profile_mode(adev, parameter, size) \ + ((adev)->powerplay.pp_funcs->set_power_profile_mode(\ + (adev)->powerplay.pp_handle, parameter, size)) + struct amdgpu_dpm { struct amdgpu_ps *ps; /* number of valid power states */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index e5ee7cf0e9d8..662edca5722d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -584,6 +584,73 @@ fail: return count; } +static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + + if (adev->powerplay.pp_funcs->get_power_profile_mode) + return amdgpu_dpm_get_power_profile_mode(adev, buf); + + return snprintf(buf, PAGE_SIZE, "\n"); +} + + +static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret = 0xff; + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + uint32_t parameter_size = 0; + long parameter[64]; + char *sub_str, buf_cpy[128]; + char *tmp_str; + uint32_t i = 0; + char tmp[2]; + long int profile_mode = 0; + const char delimiter[3] = {' ', '\n', '\0'}; + + tmp[0] = *(buf); + tmp[1] = '\0'; + ret = kstrtol(tmp, 0, &profile_mode); + if (ret) + goto fail; + + if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (count < 2 || count > 127) + return -EINVAL; + while (isspace(*++buf)) + i++; + memcpy(buf_cpy, buf, count-i); + tmp_str = buf_cpy; + while (tmp_str[0]) { + sub_str = strsep(&tmp_str, delimiter); + ret = kstrtol(sub_str, 0, ¶meter[parameter_size]); + if (ret) { + count = -EINVAL; + goto fail; + } + pr_info("value is %ld \n", parameter[parameter_size]); + parameter_size++; + while (isspace(*tmp_str)) + tmp_str++; + } + } + parameter[parameter_size] = profile_mode; + if (adev->powerplay.pp_funcs->set_power_profile_mode) + ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size); + + if (!ret) + return count; +fail: + return -EINVAL; +} + static ssize_t amdgpu_get_pp_power_profile(struct device *dev, char *buf, struct amd_pp_profile *query) { @@ -772,7 +839,9 @@ static DEVICE_ATTR(pp_gfx_power_profile, S_IRUGO | S_IWUSR, static DEVICE_ATTR(pp_compute_power_profile, S_IRUGO | S_IWUSR, amdgpu_get_pp_compute_power_profile, amdgpu_set_pp_compute_power_profile); - +static DEVICE_ATTR(pp_power_profile_mode, S_IRUGO | S_IWUSR, + amdgpu_get_pp_power_profile_mode, + amdgpu_set_pp_power_profile_mode); static ssize_t amdgpu_hwmon_show_temp(struct device *dev, struct device_attribute *attr, char *buf) @@ -1405,6 +1474,14 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) return ret; } + ret = device_create_file(adev->dev, + &dev_attr_pp_power_profile_mode); + if (ret) { + DRM_ERROR("failed to create device file " + "pp_power_profile_mode\n"); + return ret; + } + ret = amdgpu_debugfs_pm_init(adev); if (ret) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); @@ -1440,6 +1517,8 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) &dev_attr_pp_gfx_power_profile); device_remove_file(adev->dev, &dev_attr_pp_compute_power_profile); + device_remove_file(adev->dev, + &dev_attr_pp_power_profile_mode); } void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 0f89d2a8ebbf..174618004f2e 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -140,7 +140,15 @@ struct amd_pp_init { uint32_t feature_mask; }; - +enum PP_SMC_POWER_PROFILE { + PP_SMC_POWER_PROFILE_FULLSCREEN3D = 0x0, + PP_SMC_POWER_PROFILE_POWERSAVING = 0x1, + PP_SMC_POWER_PROFILE_VIDEO = 0x2, + PP_SMC_POWER_PROFILE_VR = 0x3, + PP_SMC_POWER_PROFILE_COMPUTE = 0x4, + PP_SMC_POWER_PROFILE_CUSTOM = 0x5, + PP_SMC_POWER_PROFILE_AUTO = 0x6, +}; enum { PP_GROUP_UNKNOWN = 0, @@ -289,6 +297,8 @@ struct amd_pm_funcs { struct pp_display_clock_request *clock); int (*get_display_mode_validation_clocks)(void *handle, struct amd_pp_simple_clock_info *clocks); + int (*get_power_profile_mode)(void *handle, char *buf); + int (*set_power_profile_mode)(void *handle, long *input, uint32_t size); }; #endif |