From: Paulo Zanoni Date: Thu, 30 Oct 2014 17:59:31 +0000 (-0200) Subject: drm/i915: fix RPS on runtime suspend X-Git-Tag: omap-for-v3.20/drop-legacy-3517~77^2~64^2~54 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fac6adb06a530ead523a60c975bae633e44335ca;p=pandora-kernel.git drm/i915: fix RPS on runtime suspend With this patch, the RPS sequence for runtime suspend/resume is exactly like the sequence for S3 suspend/resume: - flush_delayed_work(&dev_priv->rps.delayed_resume_work) - intel_runtime_pm_disable_interrupts() - intel_suspend_gt_powersave() (suspended) - intel_runtime_pm_enable_interrupts() - intel_enable_gt_powersave() With this, we get rid of WARNs that are currently intermittently triggered by the system-suspend-execbuf subtest of runtime PM. Notice that these WARNs could also be triggered in other ways that involved doing lots of RPM suspend/resume cycles just after a system S3 resume. Testcase: igt/pm_rpm/system-suspend-execbuf Signed-off-by: Paulo Zanoni Reference: https://bugs.freedesktop.org/show_bug.cgi?id=82939 Reviewed-by: Imre Deak Signed-off-by: Daniel Vetter --- Reading git-diff-tree failed