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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-03-31 01:08:56 +0400
committerKeith Packard <keithp@keithp.com>2011-05-11 00:56:42 +0400
commit7df8721beb9cbd849dce2b153e3b287c98adbb7f (patch)
treeea57e5780a3e97c9969bb8cc9bad0ba5553cadd1 /drivers/gpu/drm/i915/intel_display.c
parent4a246cfc3c337ecb800d508ee5ed906534edb25c (diff)
downloadlinux-7df8721beb9cbd849dce2b153e3b287c98adbb7f.tar.xz
drm/i915: use i915_enable_rc6 on SNB too
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 463f75330282..e99ae3bd1064 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -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);