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| author | Sagar Arun Kamble <sagar.a.kamble@intel.com> | 2015-09-12 07:47:54 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-23 15:39:15 +0300 |
| commit | 97c322e713b92b5071ad276f65cabf8a503a7408 (patch) | |
| tree | 53a4047be502bd2443c62e940ff3f79ae2d29409 /drivers | |
| parent | 63a4dec2c168b74a39df1eac494501f0f6bf3708 (diff) | |
| download | linux-97c322e713b92b5071ad276f65cabf8a503a7408.tar.xz | |
drm/i915: Program GuC MAX IDLE Count
Cc: Alex Dai <yu.dai@intel.com>
Cc: Tom O'Rourke <Tom.O'Rourke@intel.com>
Cc: Akash Goel <akash.goel@intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_reg.h b/drivers/gpu/drm/i915/i915_guc_reg.h index 8c8e574e63ba..9d79a6b7cc2f 100644 --- a/drivers/gpu/drm/i915/i915_guc_reg.h +++ b/drivers/gpu/drm/i915/i915_guc_reg.h @@ -53,6 +53,7 @@ #define START_DMA (1<<0) #define DMA_GUC_WOPCM_OFFSET 0xc340 #define GUC_WOPCM_OFFSET_VALUE 0x80000 /* 512KB */ +#define GUC_MAX_IDLE_COUNT 0xC3E4 #define GUC_WOPCM_SIZE 0xc050 #define GUC_WOPCM_SIZE_VALUE (0x80 << 12) /* 512KB */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 61162b2e3fea..566f5cd85101 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4865,6 +4865,10 @@ static void gen9_enable_rc6(struct drm_device *dev) I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25); /* 25 * 1280ns */ for_each_ring(ring, dev_priv, unused) I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10); + + if (HAS_GUC_UCODE(dev)) + I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA); + I915_WRITE(GEN6_RC_SLEEP, 0); I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */ |