ACK: [PATCH oneiric] drm/i915: enable ring freq scaling, RC6 and graphics turbo on Ivy Bridge v3

Tim Gardner tim.gardner at canonical.com
Tue Nov 8 21:24:39 UTC 2011


On 11/08/2011 01:46 PM, Robert Hooker wrote:
> From: Jesse Barnes<jbarnes at virtuousgeek.org>
>
> They use the same register interfaces, so we can simply enable the
> existing code on IVB.
>
> v2:
>    - resolve conflict with ring freq scaling, we can enable it too
> v3:
>    - resolve conflict again, this time on drm-intel-next
>
> Signed-off-by: Jesse Barnes<jbarnes at virtuousgeek.org>
> Signed-off-by: Keith Packard<keithp at keithp.com>
>
> Upstream commit 1c70c0cebd1295a42fec75045b8a6b4419cedef3
>
> Backported to 3.0.x, ring freq scaling isn't available
> there.
>
> Signed-off-by: Robert Hooker<robert.hooker at canonical.com>
> ---
>   drivers/gpu/drm/i915/i915_debugfs.c  |    2 +-
>   drivers/gpu/drm/i915/intel_display.c |    4 ++--
>   2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 0a893f7..e36efdc 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -865,7 +865,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
>   			   MEMSTAT_VID_SHIFT);
>   		seq_printf(m, "Current P-state: %d\n",
>   			   (rgvstat&  MEMSTAT_PSTATE_MASK)>>  MEMSTAT_PSTATE_SHIFT);
> -	} else if (IS_GEN6(dev)) {
> +	} else if (IS_GEN6(dev) || IS_GEN7(dev)) {
>   		u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
>   		u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
>   		u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e917c7b..2a7a64c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -7941,7 +7941,7 @@ void intel_modeset_init(struct drm_device *dev)
>   		intel_init_emon(dev);
>   	}
>
> -	if (IS_GEN6(dev))
> +	if (IS_GEN6(dev) || IS_GEN7(dev))
>   		gen6_enable_rps(dev_priv);
>
>   	INIT_WORK(&dev_priv->idle_work, intel_idle_update);
> @@ -7983,7 +7983,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
>
>   	if (IS_IRONLAKE_M(dev))
>   		ironlake_disable_drps(dev);
> -	if (IS_GEN6(dev))
> +	if (IS_GEN6(dev) || IS_GEN7(dev))
>   		gen6_disable_rps(dev);
>
>   	if (IS_IRONLAKE_M(dev))


-- 
Tim Gardner tim.gardner at canonical.com




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