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path: root/drivers/gpu/drm/i915/intel_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1f4b56e273c8..964b28e3c630 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6191,6 +6191,20 @@ void intel_cleanup_gt_powersave(struct drm_device *dev)
6191 valleyview_cleanup_gt_powersave(dev); 6191 valleyview_cleanup_gt_powersave(dev);
6192} 6192}
6193 6193
6194static void gen6_suspend_rps(struct drm_device *dev)
6195{
6196 struct drm_i915_private *dev_priv = dev->dev_private;
6197
6198 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
6199
6200 /*
6201 * TODO: disable RPS interrupts on GEN9+ too once RPS support
6202 * is added for it.
6203 */
6204 if (INTEL_INFO(dev)->gen < 9)
6205 gen6_disable_rps_interrupts(dev);
6206}
6207
6194/** 6208/**
6195 * intel_suspend_gt_powersave - suspend PM work and helper threads 6209 * intel_suspend_gt_powersave - suspend PM work and helper threads
6196 * @dev: drm device 6210 * @dev: drm device
@@ -6206,14 +6220,7 @@ void intel_suspend_gt_powersave(struct drm_device *dev)
6206 if (INTEL_INFO(dev)->gen < 6) 6220 if (INTEL_INFO(dev)->gen < 6)
6207 return; 6221 return;
6208 6222
6209 flush_delayed_work(&dev_priv->rps.delayed_resume_work); 6223 gen6_suspend_rps(dev);
6210
6211 /*
6212 * TODO: disable RPS interrupts on GEN9+ too once RPS support
6213 * is added for it.
6214 */
6215 if (INTEL_INFO(dev)->gen < 9)
6216 gen6_disable_rps_interrupts(dev);
6217 6224
6218 /* Force GPU to min freq during suspend */ 6225 /* Force GPU to min freq during suspend */
6219 gen6_rps_idle(dev_priv); 6226 gen6_rps_idle(dev_priv);
@@ -6316,8 +6323,11 @@ void intel_reset_gt_powersave(struct drm_device *dev)
6316{ 6323{
6317 struct drm_i915_private *dev_priv = dev->dev_private; 6324 struct drm_i915_private *dev_priv = dev->dev_private;
6318 6325
6326 if (INTEL_INFO(dev)->gen < 6)
6327 return;
6328
6329 gen6_suspend_rps(dev);
6319 dev_priv->rps.enabled = false; 6330 dev_priv->rps.enabled = false;
6320 intel_enable_gt_powersave(dev);
6321} 6331}
6322 6332
6323static void ibx_init_clock_gating(struct drm_device *dev) 6333static void ibx_init_clock_gating(struct drm_device *dev)