On Tue, Feb 18, 2014 at 12:02:14AM +0200, Imre Deak wrote:
> We need to do the same for other platforms in upcoming patches.
>
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 9cb7ed6..e81e7de 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5249,11 +5249,19 @@ static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv)
> }
> }
>
> +static void reset_vblank_counter(struct drm_device *dev, enum pipe p)
Could just call the parameter 'pipe' while we're at it.
> +{
> + unsigned long irqflags;
> +
> + spin_lock_irqsave(&dev->vbl_lock, irqflags);
> + dev->vblank[p].last = 0;
> + spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
> +}
> +
> static void hsw_power_well_post_disable(struct drm_i915_private *dev_priv)
> {
> struct drm_device *dev = dev_priv->dev;
> enum pipe p;
> - unsigned long irqflags;
>
> /*
> * After this, the registers on the pipes that are part of the power
> @@ -5262,11 +5270,9 @@ static void hsw_power_well_post_disable(struct drm_i915_private *dev_priv)
> *
> * FIXME: Should we do this in general in drm_vblank_post_modeset?
> */
> - spin_lock_irqsave(&dev->vbl_lock, irqflags);
> for_each_pipe(p)
> if (p != PIPE_A)
> - dev->vblank[p].last = 0;
> - spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
> + reset_vblank_counter(dev, p);
> }
>
> static void hsw_set_power_well(struct drm_i915_private *dev_priv,
> --
> 1.8.4
>
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--
Ville Syrjälä
Intel OTC
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