From 97c322e713b92b5071ad276f65cabf8a503a7408 Mon Sep 17 00:00:00 2001 From: Sagar Arun Kamble Date: Sat, 12 Sep 2015 10:17:54 +0530 Subject: [PATCH] drm/i915: Program GuC MAX IDLE Count Cc: Alex Dai Cc: Tom O'Rourke Cc: Akash Goel Signed-off-by: Sagar Arun Kamble Reviewed-by: Alex Dai Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_guc_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 2 files changed, 5 insertions(+) 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 */ -- 2.20.1