panfrost.rst (0ea5c948cb64bab5bc7a5516774eb8536f05aa0d) | panfrost.rst (b12f3ea7c1884c0c79e516ed9ffee7c7058a61c3) |
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1.. SPDX-License-Identifier: GPL-2.0+ 2 3========================= 4 drm/Panfrost Mali Driver 5========================= 6 7.. _panfrost-usage-stats: 8 --- 24 unchanged lines hidden (view full) --- 33 drm-total-memory: 290 MiB 34 drm-shared-memory: 0 MiB 35 drm-active-memory: 226 MiB 36 drm-resident-memory: 36496 KiB 37 drm-purgeable-memory: 128 KiB 38 39Possible `drm-engine-` key names are: `fragment`, and `vertex-tiler`. 40`drm-curfreq-` values convey the current operating frequency for that engine. | 1.. SPDX-License-Identifier: GPL-2.0+ 2 3========================= 4 drm/Panfrost Mali Driver 5========================= 6 7.. _panfrost-usage-stats: 8 --- 24 unchanged lines hidden (view full) --- 33 drm-total-memory: 290 MiB 34 drm-shared-memory: 0 MiB 35 drm-active-memory: 226 MiB 36 drm-resident-memory: 36496 KiB 37 drm-purgeable-memory: 128 KiB 38 39Possible `drm-engine-` key names are: `fragment`, and `vertex-tiler`. 40`drm-curfreq-` values convey the current operating frequency for that engine. |
41 42Users must bear in mind that engine and cycle sampling are disabled by default, 43because of power saving concerns. `fdinfo` users and benchmark applications which 44query the fdinfo file must make sure to toggle the job profiling status of the 45driver by writing into the appropriate sysfs node:: 46 47 echo <N> > /sys/bus/platform/drivers/panfrost/[a-f0-9]*.gpu/profiling 48 49Where `N` is either `0` or `1`, depending on the desired enablement status. |
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