diff options
| author | Andi Shyti <andi.shyti@linux.intel.com> | 2020-03-23 07:55:44 +0530 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@linux.intel.com> | 2022-01-06 13:50:58 +0200 |
| commit | ce5d314cdd2215ac206cf615dfa2a0e214528ef2 (patch) | |
| tree | 9978f18ee5636b3ee1c68faab621bc1a3c62e16c /drivers/gpu/drm/i915/gt/sysfs_gt_pm.h | |
| parent | cbf88fc029bdb41141c59d36448eb5e230699795 (diff) | |
drm/i915/gt: make a gt sysfs group and move power management filesmultitile
The GT has its own properties and in sysfs they should be grouped
in the 'gt/' directory.
Create a 'gt/' directory in sysfs which will contain gt0...gtN
directories related to each tile configured in the GPU. Move the
power management files inside those directories.
The previous power management files are kept in their original
root directory to avoid breaking the ABI. They point to the tile
'0' and a warning message is printed whenever accessed to. The
deprecated interface needs for the CONFIG_SYSFS_DEPRECATED_V2
flag in order to be generated.
The new sysfs structure will have a similar layout for the 4 tile
case:
/sys/.../card0
├── gt
│ ├── gt0
│ │ ├── id
│ │ ├── rc6_enable
│ │ ├── rc6_residency_ms
│ │ ├── rps_act_freq_mhz
│ │ ├── rps_boost_freq_mhz
│ │ ├── rps_cur_freq_mhz
│ │ ├── rps_max_freq_mhz
│ │ ├── rps_min_freq_mhz
│ │ ├── rps_RP0_freq_mhz
│ │ ├── rps_RP1_freq_mhz
│ │ └── rps_RPn_freq_mhz
. .
. .
. .
│ └── gt3
│ ├── id
│ ├── rc6_enable
│ ├── rc6_residency_ms
│ ├── rps_act_freq_mhz
│ ├── rps_boost_freq_mhz
│ ├── rps_cur_freq_mhz
│ ├── rps_max_freq_mhz
│ ├── rps_min_freq_mhz
│ ├── rps_RP0_freq_mhz
│ ├── rps_RP1_freq_mhz
│ └── rps_RPn_freq_mhz
├── gt_act_freq_mhz -+
├── gt_boost_freq_mhz |
├── gt_cur_freq_mhz | Original interface
├── gt_max_freq_mhz +─-> kept as existing ABI;
├── gt_min_freq_mhz | it points to gt0/
├── gt_RP0_freq_mhz |
└── gt_RP1_freq_mhz |
└── gt_RPn_freq_mhz -+
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gt/sysfs_gt_pm.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/sysfs_gt_pm.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h new file mode 100644 index 000000000000..18c60d929e6d --- /dev/null +++ b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + */ + +#ifndef __SYSFS_GT_PM_H__ +#define __SYSFS_GT_PM_H__ + +#include <linux/kobject.h> + +#include "intel_gt_types.h" + +void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj); +void intel_gt_sysfs_pm_remove(struct intel_gt *gt, struct kobject *kobj); + +#endif /* SYSFS_RC6_H */ |