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drm/i915: use i915_enable_rc6 on SNB too

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For debug & testing.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Jesse Barnes 2011-03-30 14:08:56 -07:00 committed by Keith Packard
parent 4a246cfc3c
commit 7df8721beb
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/i915/intel_display.c
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@ -6959,7 +6959,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
{
u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
u32 pcu_mbox;
u32 pcu_mbox, rc6_mask = 0;
int cur_freq, min_freq, max_freq;
int i;
@ -6990,9 +6990,12 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
if (i915_enable_rc6)
rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
GEN6_RC_CTL_RC6_ENABLE;
I915_WRITE(GEN6_RC_CONTROL,
GEN6_RC_CTL_RC6p_ENABLE |
GEN6_RC_CTL_RC6_ENABLE |
rc6_mask |
GEN6_RC_CTL_EI_MODE(1) |
GEN6_RC_CTL_HW_ENABLE);