[Intel-gfx] [PATCH v3 1/2] drm/i915/perf: Allow non-privileged access when OA buffer is not sampled

SAMPLE_OA_REPORT enables sampling of OA reports from the OA buffer. Since reports from OA buffer had system wide visibility, collecting samples from the OA buffer was a privileged operation on previous platforms. Prior to TGL, it was also necessary to sample the OA buffer to normalize reports from

Re: [Intel-gfx] [PATCH v3 1/2] drm/i915/perf: Allow non-privileged access when OA buffer is not sampled

On 19/11/2019 00:24, Umesh Nerlige Ramappa wrote: SAMPLE_OA_REPORT enables sampling of OA reports from the OA buffer. Since reports from OA buffer had system wide visibility, collecting samples from the OA buffer was a privileged operation on previous platforms. Prior to TGL, it was also

[Intel-gfx] [PATCH v3 1/2] drm/i915/perf: Allow non-privileged access when OA buffer is not sampled

SAMPLE_OA_REPORT enables sampling of OA reports from the OA buffer. Since reports from OA buffer had system wide visibility, collecting samples from the OA buffer was a privileged operation on previous platforms. Prior to TGL, it was also necessary to sample the OA buffer to normalize reports from