diff options
| author | Deepak R Varma <mh12gx2825@gmail.com> | 2020-11-04 18:03:39 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-29 01:43:10 +0300 |
| commit | 8d989f4448947c866b47cb6789b88b31d5f79fe3 (patch) | |
| tree | 40dcc413743bb038f58780b05fb5b335948ff1aa /drivers/gpu/drm/i915/i915_perf.c | |
| parent | a9d71f76ccfd309f3bd5f7c9b60e91a4decae792 (diff) | |
| download | linux-8d989f4448947c866b47cb6789b88b31d5f79fe3.tar.xz | |
drm/i915/perf: replace idr_init() by idr_init_base()
idr_init() uses base 0 which is an invalid identifier. The new function
idr_init_base allows IDR to set the ID lookup from base 1. This avoids
all lookups that otherwise starts from 0 since 0 is always unused.
References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient")
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104150339.GA68663@localhost
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index e94976976571..2d033255b7cf 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -4367,7 +4367,7 @@ void i915_perf_init(struct drm_i915_private *i915) RUNTIME_INFO(i915)->cs_timestamp_frequency_hz / 2; mutex_init(&perf->metrics_lock); - idr_init(&perf->metrics_idr); + idr_init_base(&perf->metrics_idr, 1); /* We set up some ratelimit state to potentially throttle any * _NOTES about spurious, invalid OA reports which we don't |