Quoting Sagar Arun Kamble (2017-10-04 15:07:24)
> Prepared generic functions intel_enable_rc6, intel_disable_rc6,
> intel_enable_rps and intel_disable_rps functions to setup RC6/RPS
> based on platforms.
>
> Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 95 ++++++++++++++++++++++++++---------------
> 1 file changed, 61 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 62aed72..964df7b 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -7977,74 +7977,101 @@ void intel_sanitize_gt_powersave(struct drm_i915_private *dev_priv)
> gen6_reset_rps_interrupts(dev_priv);
> }
>
> -void intel_disable_gt_powersave(struct drm_i915_private *dev_priv)
> +void intel_disable_rc6(struct drm_i915_private *dev_priv)
Hmm, don't export these yet, as we need to define how to do the locking.
We normally would do
static void __intel_disable_rc6() {
/* do stuff */
}
void intel_disable_rc6() {
mutex_lock(i915->pm.pcu_lock);
__intel_disable_rc6();
mutex_unlock(i915->pm.pcu_lock);
}
Furthermore, we want to decide if we want these to track enabled state
and skip if already the desired state.
Otherwise \o/
-Chris
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