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drm/i915: move all rps state into dev_priv->rps

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This way it's easier so see what belongs together, and what is used
by the ilk ips code. Also add some comments that explain the locking.

Note that (cur|min|max)_delay need to be duplicated, because
they're also used by the ips code.

v2: Missed one place that the dev_priv->ips change caught ...

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter
2012-08-08 23:35:35 +02:00
parent 22bcfc6a4b
commit c6a828d326
6 changed files with 63 additions and 49 deletions
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drivers/gpu/drm/i915/i915_drv.h
+15 -3
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@@ -819,9 +819,21 @@ typedef struct drm_i915_private {
bool mchbar_need_disable;
struct work_struct rps_work;
spinlock_t rps_lock;
u32 pm_iir;
/* gen6+ rps state */
struct {
struct work_struct work;
u32 pm_iir;
/* lock - irqsave spinlock that protectects the work_struct and
* pm_iir. */
spinlock_t lock;
/* The below variables an all the rps hw state are protected by
* dev->struct mutext. */
u8 cur_delay;
u8 min_delay;
u8 max_delay;
} rps;
u8 cur_delay;
u8 min_delay;