[Intel-gfx] [PATCH 2/7] drm/i915/perf: reset pollin when perf stream is enabled

[Matthew Auld]

On Wed, 16 Jan 2019 at 15:36, Lionel Landwerlin
<lionel.g.landwerlin at intel.com> wrote:
>
> No issues have been raised about this yet, but this should be reset
> every time we enable the stream, otherwise we might have a stale value
> from the previous round of enable/disable.
>
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_perf.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
> index 575701e2aabc..4c5d2ee4d6e3 100644
> --- a/drivers/gpu/drm/i915/i915_perf.c
> +++ b/drivers/gpu/drm/i915/i915_perf.c
> @@ -1876,6 +1876,8 @@ static void i915_oa_stream_enable(struct i915_perf_stream *stream)
>  {
>         struct drm_i915_private *dev_priv = stream->dev_priv;
>
> +       dev_priv->perf.oa.pollin = false;
> +
>         dev_priv->perf.oa.ops.oa_enable(stream);

Don't we fumigate oa.polling way down in ops.oa_enable() ?