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| author | Dave Airlie <airlied@redhat.com> | 2022-07-13 02:55:52 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-07-13 02:55:53 +0200 |
| commit | d9e019bb396fc9448b104a6f4cdb7acf8af02854 (patch) | |
| tree | 9c8ab18d7d840241c9cb2ff89bb74c51fb816c76 /Documentation/gpu | |
| parent | Backmerge tag 'v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/to... (diff) | |
| parent | drm/msm/dpu: Fix for non-visible planes (diff) | |
| download | linux-d9e019bb396fc9448b104a6f4cdb7acf8af02854.tar.xz linux-d9e019bb396fc9448b104a6f4cdb7acf8af02854.zip | |
Merge tag 'drm-msm-next-2022-07-10' of https://gitlab.freedesktop.org/drm/msm into drm-next
Next for v5.20
GPU:
- a619 support
- Fix for unclocked GMU register access
- Devcore dump enhancements
Core:
- client utilization via fdinfo support
- fix fence rollover issue
- gem: Lockdep false-positive warning fix
- gem: Switch to pfn mappings
DPU:
- constification of HW catalog
- support for using encoder as CRC source
- WB support on sc7180
- WB resolution fixes
DP:
- dropped custom bulk clock implementation
- made dp_bridge_mode_valid() return MODE_CLOCK_HIGH where applicable
- fix link retraining on resolution change
MDP5:
- MSM8953 perf data
HDMI:
- YAML'ification of schema
- dropped obsolete GPIO support
- misc cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtuqswBGPw-kCYzJvckK2RR1XTeUEgaXwVG_mvpbv3gPA@mail.gmail.com
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/drm-usage-stats.rst | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/gpu/drm-usage-stats.rst b/Documentation/gpu/drm-usage-stats.rst index 6c9f166a8d6f..92c5117368d7 100644 --- a/Documentation/gpu/drm-usage-stats.rst +++ b/Documentation/gpu/drm-usage-stats.rst @@ -105,6 +105,27 @@ object belong to this client, in the respective memory region. Default unit shall be bytes with optional unit specifiers of 'KiB' or 'MiB' indicating kibi- or mebi-bytes. +- drm-cycles-<str> <uint> + +Engine identifier string must be the same as the one specified in the +drm-engine-<str> tag and shall contain the number of busy cycles for the given +engine. + +Values are not required to be constantly monotonic if it makes the driver +implementation easier, but are required to catch up with the previously reported +larger value within a reasonable period. Upon observing a value lower than what +was previously read, userspace is expected to stay with that larger previous +value until a monotonic update is seen. + +- drm-maxfreq-<str> <uint> [Hz|MHz|KHz] + +Engine identifier string must be the same as the one specified in the +drm-engine-<str> tag and shall contain the maximum frequency for the given +engine. Taken together with drm-cycles-<str>, this can be used to calculate +percentage utilization of the engine, whereas drm-engine-<str> only reflects +time active without considering what frequency the engine is operating as a +percentage of it's maximum frequency. + =============================== Driver specific implementations =============================== |