[PATCH 0/5] drm/v3d: Fix GPU stats inconsistancies and race-condition

[Maíra Canal]

This series addresses two major issues on the GPU stats:

1. Currently, we are incrementing `enabled_ns` twice by the end of each job.
2. There is a race-condition between the IRQ handler and the users

Apart from addressing this issues, this series improved the GPU stats
code as a hole. We reduced code repetition as a hole, creating functions
to start and update the GPU stats. This will likely reduce the odds of
issue #1 happen again.

Note that I incrementally improved the code, creating small atomics
commits to ease the reviewing process. Also, I separated the first
patch, that has the fix to issue #1, in order to keep the fix separated
from code improvements.

The issue #1 is addressed on the first patch, while issue #2 is
addressed in the last patch. Patches #2 to #4 are code improvements.

Best Regards,
- Maíra

Maíra Canal (5):
  drm/v3d: Don't increment `enabled_ns` twice
  drm/v3d: Create two functions to update all GPU stats variables
  drm/v3d: Create a struct to store the GPU stats
  drm/v3d: Create function to update a set of GPU stats
  drm/v3d: Fix race-condition between sysfs/fdinfo and interrupt handler

 drivers/gpu/drm/v3d/v3d_drv.c   | 24 +++++---
 drivers/gpu/drm/v3d/v3d_drv.h   | 26 ++++++---
 drivers/gpu/drm/v3d/v3d_gem.c   |  9 +--
 drivers/gpu/drm/v3d/v3d_irq.c   | 52 ++----------------
 drivers/gpu/drm/v3d/v3d_sched.c | 97 ++++++++++++++++++---------------
 drivers/gpu/drm/v3d/v3d_sysfs.c | 18 +++---
 6 files changed, 104 insertions(+), 122 deletions(-)

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2.44.0