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On Wed, May 27, 2020 at 6:52 PM Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
>
> Otherwise we disable sysfs/debugfs access with runtime pm.
>
> Fixes: f7c8d853b029df ("drm/amdgpu/pm: return an error during GPU reset or suspend")
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 114 ++++++++++++-------------
> 1 file changed, 57 insertions(+), 57 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index 808884aaf36d..775e389c9a13 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -163,7 +163,7 @@ static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
> enum amd_pm_state_type pm;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -199,7 +199,7 @@ static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
> enum amd_pm_state_type state;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (strncmp("battery", buf, strlen("battery")) == 0)
> @@ -303,7 +303,7 @@ static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
> enum amd_dpm_forced_level level = 0xff;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -343,7 +343,7 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
> enum amd_dpm_forced_level current_level = 0xff;
> int ret = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (strncmp("low", buf, strlen("low")) == 0) {
> @@ -445,7 +445,7 @@ static ssize_t amdgpu_get_pp_num_states(struct device *dev,
> struct pp_states_info data;
> int i, buf_len, ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -487,7 +487,7 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
> enum amd_pm_state_type pm = 0;
> int i = 0, ret = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -526,7 +526,7 @@ static ssize_t amdgpu_get_pp_force_state(struct device *dev,
> struct drm_device *ddev = dev_get_drvdata(dev);
> struct amdgpu_device *adev = ddev->dev_private;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (adev->pp_force_state_enabled)
> @@ -546,7 +546,7 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev,
> unsigned long idx;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (strlen(buf) == 1)
> @@ -604,7 +604,7 @@ static ssize_t amdgpu_get_pp_table(struct device *dev,
> char *table = NULL;
> int size, ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -646,7 +646,7 @@ static ssize_t amdgpu_set_pp_table(struct device *dev,
> struct amdgpu_device *adev = ddev->dev_private;
> int ret = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -751,7 +751,7 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
> const char delimiter[3] = {' ', '\n', '\0'};
> uint32_t type;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (count > 127)
> @@ -843,7 +843,7 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -895,7 +895,7 @@ static ssize_t amdgpu_set_pp_features(struct device *dev,
> uint64_t featuremask;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = kstrtou64(buf, 0, &featuremask);
> @@ -938,7 +938,7 @@ static ssize_t amdgpu_get_pp_features(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -997,7 +997,7 @@ static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1063,7 +1063,7 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
> int ret;
> uint32_t mask = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1097,7 +1097,7 @@ static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1127,7 +1127,7 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
> uint32_t mask = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1161,7 +1161,7 @@ static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1191,7 +1191,7 @@ static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
> int ret;
> uint32_t mask = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1227,7 +1227,7 @@ static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1257,7 +1257,7 @@ static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
> int ret;
> uint32_t mask = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1293,7 +1293,7 @@ static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1323,7 +1323,7 @@ static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
> int ret;
> uint32_t mask = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1359,7 +1359,7 @@ static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1389,7 +1389,7 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
> int ret;
> uint32_t mask = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = amdgpu_read_mask(buf, count, &mask);
> @@ -1425,7 +1425,7 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
> uint32_t value = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1453,7 +1453,7 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
> int ret;
> long int value;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = kstrtol(buf, 0, &value);
> @@ -1494,7 +1494,7 @@ static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
> uint32_t value = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1522,7 +1522,7 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
> int ret;
> long int value;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = kstrtol(buf, 0, &value);
> @@ -1583,7 +1583,7 @@ static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
> ssize_t size;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(ddev->dev);
> @@ -1621,7 +1621,7 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
> long int profile_mode = 0;
> const char delimiter[3] = {' ', '\n', '\0'};
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> tmp[0] = *(buf);
> @@ -1683,7 +1683,7 @@ static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
> struct amdgpu_device *adev = ddev->dev_private;
> int r, value, size = sizeof(value);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(ddev->dev);
> @@ -1719,7 +1719,7 @@ static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
> struct amdgpu_device *adev = ddev->dev_private;
> int r, value, size = sizeof(value);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(ddev->dev);
> @@ -1760,7 +1760,7 @@ static ssize_t amdgpu_get_pcie_bw(struct device *dev,
> uint64_t count0 = 0, count1 = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (adev->flags & AMD_IS_APU)
> @@ -1799,7 +1799,7 @@ static ssize_t amdgpu_get_unique_id(struct device *dev,
> struct drm_device *ddev = dev_get_drvdata(dev);
> struct amdgpu_device *adev = ddev->dev_private;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (adev->unique_id)
> @@ -1996,7 +1996,7 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
> int channel = to_sensor_dev_attr(attr)->index;
> int r, temp = 0, size = sizeof(temp);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (channel >= PP_TEMP_MAX)
> @@ -2130,7 +2130,7 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
> u32 pwm_mode = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2164,7 +2164,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
> int err, ret;
> int value;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = kstrtoint(buf, 10, &value);
> @@ -2216,7 +2216,7 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
> u32 value;
> u32 pwm_mode;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2268,7 +2268,7 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
> int err;
> u32 speed = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2301,7 +2301,7 @@ static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
> int err;
> u32 speed = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2333,7 +2333,7 @@ static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
> u32 size = sizeof(min_rpm);
> int r;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2361,7 +2361,7 @@ static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
> u32 size = sizeof(max_rpm);
> int r;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2388,7 +2388,7 @@ static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
> int err;
> u32 rpm = 0;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2420,7 +2420,7 @@ static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
> u32 value;
> u32 pwm_mode;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2469,7 +2469,7 @@ static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
> u32 pwm_mode = 0;
> int ret;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> ret = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2504,7 +2504,7 @@ static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
> int value;
> u32 pwm_mode;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> err = kstrtoint(buf, 10, &value);
> @@ -2547,7 +2547,7 @@ static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
> u32 vddgfx;
> int r, size = sizeof(vddgfx);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2582,7 +2582,7 @@ static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
> u32 vddnb;
> int r, size = sizeof(vddnb);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> /* only APUs have vddnb */
> @@ -2622,7 +2622,7 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
> int r, size = sizeof(u32);
> unsigned uw;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2661,7 +2661,7 @@ static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev,
> ssize_t size;
> int r;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2693,7 +2693,7 @@ static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
> ssize_t size;
> int r;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2726,7 +2726,7 @@ static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
> int err;
> u32 value;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> if (amdgpu_sriov_vf(adev))
> @@ -2767,7 +2767,7 @@ static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
> uint32_t sclk;
> int r, size = sizeof(sclk);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -2802,7 +2802,7 @@ static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
> uint32_t mclk;
> int r, size = sizeof(mclk);
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(adev->ddev->dev);
> @@ -3665,7 +3665,7 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
> u32 flags = 0;
> int r;
>
> - if (adev->in_gpu_reset || adev->in_suspend)
> + if (adev->in_gpu_reset)
> return -EPERM;
>
> r = pm_runtime_get_sync(dev->dev);
> --
> 2.25.4
>
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