From: Sagar Kamble <[email protected]> Due to disabling of RC6 in uncore_sanitize in early resume, power is drained till it RC6 is re-enabled post resume. With this change RC6 disabling will be done at beginning of resume only. This helps yield additional power benefits.
Signed-off-by: Akash Goel <[email protected]> Signed-off-by: Sagar Kamble <[email protected]> --- drivers/gpu/drm/i915/i915_drv.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 71be3c9..0e08ec0 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -675,6 +675,13 @@ static int i915_drm_resume(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + intel_uncore_early_sanitize(dev, true); + + if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) + hsw_disable_pc8(dev_priv); + + intel_uncore_sanitize(dev); + if (drm_core_check_feature(dev, DRIVER_MODESET)) { mutex_lock(&dev->struct_mutex); i915_gem_restore_gtt_mappings(dev); @@ -761,12 +768,6 @@ static int i915_drm_resume_early(struct drm_device *dev) if (ret) DRM_ERROR("Resume prepare failed: %d,Continuing resume\n", ret); - intel_uncore_early_sanitize(dev, true); - - if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - hsw_disable_pc8(dev_priv); - - intel_uncore_sanitize(dev); intel_power_domains_init_hw(dev_priv); return ret; -- 1.8.5 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
