Re: [PATCH 01/11] drm/i915: move psr_setup_done to psr struct

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2014-05-15 21:13 GMT-03:00 Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>:
> v2: Avoid more than one setup. Removing initialization
>     and trusting allocation. (By Paulo Zanoni).
> v3: rebase.
>
> Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

I guess the commit message needs a little explanation, such as:

"Because our driver assumes only one panel is PSR capable, and we
already have other PSR information on dev_priv instead of intel_dp. If
we ever support multiple PSR panels, we'll have to move struct
i915_psr to intel_dp anyway."

I've seen this patch so many times on this list that I really think we
could merge it before the others :)

With the message above amended, or some other message: Reviewed-by:
Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/i915_drv.h  | 1 +
>  drivers/gpu/drm/i915/intel_dp.c  | 6 ++----
>  drivers/gpu/drm/i915/intel_drv.h | 1 -
>  3 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 1a9b4b3..d6fba46 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -640,6 +640,7 @@ struct i915_drrs {
>  struct i915_psr {
>         bool sink_support;
>         bool source_ok;
> +       bool setup_done;
>  };
>
>  enum intel_pch {
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 66891c9..34e8f7a 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1657,7 +1657,7 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp)
>         struct drm_i915_private *dev_priv = dev->dev_private;
>         struct edp_vsc_psr psr_vsc;
>
> -       if (intel_dp->psr_setup_done)
> +       if (dev_priv->psr.setup_done)
>                 return;
>
>         /* Prepare VSC packet as per EDP 1.3 spec, Table 3.10 */
> @@ -1672,7 +1672,7 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp)
>         I915_WRITE(EDP_PSR_DEBUG_CTL(dev), EDP_PSR_DEBUG_MASK_MEMUP |
>                    EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP);
>
> -       intel_dp->psr_setup_done = true;
> +       dev_priv->psr.setup_done = true;
>  }
>
>  static void intel_edp_psr_enable_sink(struct intel_dp *intel_dp)
> @@ -4199,8 +4199,6 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
>
>         intel_dp_aux_init(intel_dp, intel_connector);
>
> -       intel_dp->psr_setup_done = false;
> -
>         if (!intel_edp_init_connector(intel_dp, intel_connector, &power_seq)) {
>                 drm_dp_aux_unregister_i2c_bus(&intel_dp->aux);
>                 if (is_edp(intel_dp)) {
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index acfc5c8..e72d45a 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -527,7 +527,6 @@ struct intel_dp {
>         unsigned long last_power_cycle;
>         unsigned long last_power_on;
>         unsigned long last_backlight_off;
> -       bool psr_setup_done;
>         bool use_tps3;
>         struct intel_connector *attached_connector;
>
> --
> 1.9.0
>
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
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-- 
Paulo Zanoni
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