[Intel-gfx] [PATCH 01/12] drm/i915: Move psr unlock out from the pipe update critical section

[Manasi Navare]

Looks good to me,

Reviewed-by: Manasi Navare <navaremanasi at chromium.org>

Manasi

On Fri, Sep 1, 2023 at 6:04 AM Ville Syrjala
<ville.syrjala at linux.intel.com> wrote:
>
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Do the PSR unlock after the vblank evade critcal section is
> fully over, not before.
>
> Cc: Manasi Navare <navaremanasi at chromium.org>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_crtc.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
> index 182c6dd64f47..5caa928e5ce9 100644
> --- a/drivers/gpu/drm/i915/display/intel_crtc.c
> +++ b/drivers/gpu/drm/i915/display/intel_crtc.c
> @@ -646,10 +646,8 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
>         ktime_t end_vbl_time = ktime_get();
>         struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>
> -       intel_psr_unlock(new_crtc_state);
> -
>         if (new_crtc_state->do_async_flip)
> -               return;
> +               goto out;
>
>         trace_intel_pipe_update_end(crtc, end_vbl_count, scanline_end);
>
> @@ -709,7 +707,7 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
>         local_irq_enable();
>
>         if (intel_vgpu_active(dev_priv))
> -               return;
> +               goto out;
>
>         if (crtc->debug.start_vbl_count &&
>             crtc->debug.start_vbl_count != end_vbl_count) {
> @@ -724,4 +722,7 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
>         }
>
>         dbg_vblank_evade(crtc, end_vbl_time);
> +
> +out:
> +       intel_psr_unlock(new_crtc_state);
>  }
> --
> 2.41.0
>