diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 1cce0a59097..2ce96364bac 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -229,9 +229,20 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc) dpfc_ctl = DPFC_CTL_PLANE(intel_crtc->plane); if (drm_format_plane_cpp(fb->pixel_format, 0) == 2) + dev_priv->fbc.threshold++; + + switch (dev_priv->fbc.threshold) { + case 4: + case 3: + dpfc_ctl |= DPFC_CTL_LIMIT_4X; + break; + case 2: dpfc_ctl |= DPFC_CTL_LIMIT_2X; - else + break; + case 1: dpfc_ctl |= DPFC_CTL_LIMIT_1X; + break; + } dpfc_ctl |= DPFC_CTL_FENCE_EN; if (IS_GEN5(dev)) dpfc_ctl |= obj->fence_reg; @@ -285,9 +296,21 @@ static void gen7_enable_fbc(struct drm_crtc *crtc) dpfc_ctl = IVB_DPFC_CTL_PLANE(intel_crtc->plane); if (drm_format_plane_cpp(fb->pixel_format, 0) == 2) + dev_priv->fbc.threshold++; + + switch (dev_priv->fbc.threshold) { + case 4: + case 3: + dpfc_ctl |= DPFC_CTL_LIMIT_4X; + break; + case 2: dpfc_ctl |= DPFC_CTL_LIMIT_2X; - else + break; + case 1: dpfc_ctl |= DPFC_CTL_LIMIT_1X; + break; + } + dpfc_ctl |= IVB_DPFC_CTL_FENCE_EN; I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN); @@ -567,7 +590,8 @@ void intel_update_fbc(struct drm_device *dev) if (in_dbg_master()) goto out_disable; - if (i915_gem_stolen_setup_compression(dev, intel_fb->obj->base.size)) { + if (i915_gem_stolen_setup_compression(dev, intel_fb->obj->base.size, + drm_format_plane_cpp(fb->pixel_format, 0))) { if (set_no_fbc_reason(dev_priv, FBC_STOLEN_TOO_SMALL)) DRM_DEBUG_KMS("framebuffer too large, disabling compression\n"); goto out_disable; @@ -3486,15 +3510,23 @@ static void gen8_enable_rps(struct drm_device *dev) for_each_ring(ring, dev_priv, unused) I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10); I915_WRITE(GEN6_RC_SLEEP, 0); - I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */ + if (IS_BROADWELL(dev)) + I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us/1.28 for TO */ + else + I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */ /* 3: Enable RC6 */ if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE) rc6_mask = GEN6_RC_CTL_RC6_ENABLE; intel_print_rc6_info(dev, rc6_mask); - I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | - GEN6_RC_CTL_EI_MODE(1) | - rc6_mask); + if (IS_BROADWELL(dev)) + I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | + GEN7_RC_CTL_TO_MODE | + rc6_mask); + else + I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | + GEN6_RC_CTL_EI_MODE(1) | + rc6_mask); /* 4 Program defaults and thresholds for RPS*/ I915_WRITE(GEN6_RPNSWREQ, |