diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1417-drm-amd-powerplay-implement-sysfs-of-get-num-states-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1417-drm-amd-powerplay-implement-sysfs-of-get-num-states-.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1417-drm-amd-powerplay-implement-sysfs-of-get-num-states-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1417-drm-amd-powerplay-implement-sysfs-of-get-num-states-.patch new file mode 100644 index 00000000..5e4aea12 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1417-drm-amd-powerplay-implement-sysfs-of-get-num-states-.patch @@ -0,0 +1,76 @@ +From 7c9b8917876143e03434097948ece1a4c18887a9 Mon Sep 17 00:00:00 2001 +From: Kevin Wang <Kevin1.Wang@amd.com> +Date: Thu, 17 Jan 2019 13:15:48 +0800 +Subject: [PATCH 1417/2940] drm/amd/powerplay: implement sysfs of get num + states function + +add function smu_get_power_num_state function for sw-smu. +it's only for sysfs interface, the power state feature is not ready for sw-smu. + +Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 8 ++++++-- + drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 13 +++++++++++++ + drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 + + 3 files changed, 20 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +index 53b470c30da4..5eda007ea632 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +@@ -350,9 +350,13 @@ static ssize_t amdgpu_get_pp_num_states(struct device *dev, + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + struct pp_states_info data; +- int i, buf_len; ++ int i, buf_len, ret; + +- if (adev->powerplay.pp_funcs->get_pp_num_states) ++ if (is_support_sw_smu(adev)) { ++ ret = smu_get_power_num_states(&adev->smu, &data); ++ if (ret) ++ return ret; ++ } else if (adev->powerplay.pp_funcs->get_pp_num_states) + amdgpu_dpm_get_pp_num_states(adev, &data); + + buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums); +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index 012d2790da8a..b4d6046d5f23 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -29,6 +29,19 @@ + #include "smu_v11_0.h" + #include "atom.h" + ++int smu_get_power_num_states(struct smu_context *smu, ++ struct pp_states_info *state_info) ++{ ++ if (!state_info) ++ return -EINVAL; ++ ++ /* not support power state */ ++ memset(state_info, 0, sizeof(struct pp_states_info)); ++ state_info->nums = 0; ++ ++ return 0; ++} ++ + int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, + void *data, uint32_t *size) + { +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +index 2e89a59ed06c..4498059f5e05 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -381,5 +381,6 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, + void *data, uint32_t *size); + int smu_sys_get_pp_table(struct smu_context *smu, void **table); + int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size); ++int smu_get_power_num_states(struct smu_context *smu, struct pp_states_info *state_info); + + #endif +-- +2.17.1 + |