diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 406b53271c69..121b92e0eec7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3737,125 +3737,6 @@ static void intel_gpu_idle_timer(unsigned long arg) queue_work(dev_priv->wq, &dev_priv->idle_work); } -void intel_increase_renderclock(struct drm_device *dev, bool schedule) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - if (IS_IGDNG(dev)) - return; - - if (!dev_priv->render_reclock_avail) { - DRM_DEBUG("not reclocking render clock\n"); - return; - } - - /* Restore render clock frequency to original value */ - if (IS_G4X(dev) || IS_I9XX(dev)) - pci_write_config_word(dev->pdev, GCFGC, dev_priv->orig_clock); - else if (IS_I85X(dev)) - pci_write_config_word(dev->pdev, HPLLCC, dev_priv->orig_clock); - DRM_DEBUG("increasing render clock frequency\n"); - - /* Schedule downclock */ - if (schedule) - mod_timer(&dev_priv->idle_timer, jiffies + - msecs_to_jiffies(GPU_IDLE_TIMEOUT)); -} - -void intel_decrease_renderclock(struct drm_device *dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - if (IS_IGDNG(dev)) - return; - - if (!dev_priv->render_reclock_avail) { - DRM_DEBUG("not reclocking render clock\n"); - return; - } - - if (IS_G4X(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~GM45_GC_RENDER_CLOCK_MASK; - gcfgc |= GM45_GC_RENDER_CLOCK_266_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I965G(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I965_GC_RENDER_CLOCK_MASK; - gcfgc |= I965_GC_RENDER_CLOCK_267_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I945G(dev) || IS_I945GM(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I945_GC_RENDER_CLOCK_MASK; - gcfgc |= I945_GC_RENDER_CLOCK_166_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I915G(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I915_GC_RENDER_CLOCK_MASK; - gcfgc |= I915_GC_RENDER_CLOCK_166_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I85X(dev)) { - u16 hpllcc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, HPLLCC, &hpllcc); - - /* Up to maximum... */ - hpllcc &= ~GC_CLOCK_CONTROL_MASK; - hpllcc |= GC_CLOCK_133_200; - - pci_write_config_word(dev->pdev, HPLLCC, hpllcc); - } - DRM_DEBUG("decreasing render clock frequency\n"); -} - -/* Note that no increase function is needed for this - increase_renderclock() - * will also rewrite these bits - */ -void intel_decrease_displayclock(struct drm_device *dev) -{ - if (IS_IGDNG(dev)) - return; - - if (IS_I945G(dev) || IS_I945GM(dev) || IS_I915G(dev) || - IS_I915GM(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~0xf0; - gcfgc |= 0x80; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } -} - #define CRTC_IDLE_TIMEOUT 1000 /* ms */ static void intel_crtc_idle_timer(unsigned long arg) @@ -3969,12 +3850,6 @@ static void intel_idle_update(struct work_struct *work) mutex_lock(&dev->struct_mutex); - /* GPU isn't processing, downclock it. */ - if (!dev_priv->busy) { - intel_decrease_renderclock(dev); - intel_decrease_displayclock(dev); - } - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { /* Skip inactive CRTCs */ if (!crtc->fb) @@ -4009,7 +3884,6 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj) return; dev_priv->busy = true; - intel_increase_renderclock(dev, true); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { if (!crtc->fb) @@ -4514,7 +4388,6 @@ void intel_modeset_cleanup(struct drm_device *dev) del_timer_sync(&intel_crtc->idle_timer); } - intel_increase_renderclock(dev, false); del_timer_sync(&dev_priv->idle_timer); mutex_unlock(&dev->struct_mutex); |