diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3167-drm-amdgpu-add-custom-power-policy-support-in-sysfs.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3167-drm-amdgpu-add-custom-power-policy-support-in-sysfs.patch | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3167-drm-amdgpu-add-custom-power-policy-support-in-sysfs.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3167-drm-amdgpu-add-custom-power-policy-support-in-sysfs.patch new file mode 100644 index 00000000..838ee4f1 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3167-drm-amdgpu-add-custom-power-policy-support-in-sysfs.patch @@ -0,0 +1,194 @@ +From d36df134e05d2efea3ba874644ace9c950e4589a Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Wed, 10 Jan 2018 18:42:36 +0800 +Subject: [PATCH 3167/4131] drm/amdgpu: add custom power policy support in + sysfs + +when cat pp_power_profile_mode on Vega10 +NUM MODE_NAME BUSY_SET_POINT FPS USE_RLC_BUSY MIN_ACTIVE_LEVEL + 0 3D_FULL_SCREEN : 70 60 1 3 + 1 POWER_SAVING : 90 60 0 0 + 2 VIDEO*: 70 60 0 0 + 3 VR : 70 90 0 0 + 4 COMPUTER : 30 60 0 6 + 5 CUSTOM : 0 0 0 0 + +the result show all the profile mode we can support and custom mode. +user can echo the num(0-4) to pp_power_profile_mode to select the profile +mode or can echo "5 value value value value" to enter CUSTOM mode. +the four parameter is set_point/FPS/USER_RLC_BUSY/MIN_ACTIVE_LEVEL. + +Change-Id: I54d634ddf2e27473e1da3f02f15a3ccf43e54745 +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 8 +++ + drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 81 +++++++++++++++++++++++++- + 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 0a5febd..0937902 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 11f100e..45e9119 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +@@ -582,6 +582,73 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev, + 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) + { +@@ -770,7 +837,9 @@ 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) +@@ -1402,6 +1471,14 @@ 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"); +@@ -1437,6 +1514,8 @@ 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 0f89d2a8..1746180 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 +-- +2.7.4 + |