Thomas Abraham <ta.omasab@xxxxxxxxx> writes: > On Thu, Sep 4, 2014 at 4:45 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote: >> Hi Thomas, >> >> Thomas Abraham <ta.omasab@xxxxxxxxx> writes: >> >> [...] >> >>> A new branch [1] has been created using commits from exynos5-v3.17-rc1 >>> branch + cpufreq + regulator + temp fixes. I have tested this branch >>> on Exynos5800 Chromebook2 and cpufreq works fine with both ondemand >>> and performance governors. Please let me know if there are any issues >>> with this new branch. It is based on v3.17-rc3. >> >> Excellent! Thank you. >> >> The only thing missing now is the CPUidle support for 5800, and all >> that's needed for that is the compatible string patch[1] which Daniel >> has queued up. >> >> With that patch, display + CPUidle + CPUfreq are working pretty well on >> my exynos5800/chromebook2 with the big.LITTLE switcher disabled. If I >> turn on the switcher, it boots OK, but as soon as I try to run powertop >> (upstream v2.6.1) it gets stuck. Have you tried this branch with the >> switcher enabled? > > Yes, I have tested switcher + cpufreq + cpuidle with this branch and > there are no issues found. I haven't tested with powertop yet. I will > try and do that and let you know the result. > > You mentioned that when you run powertop, it gets stuck. When that > happens, is there any log on the console or does system just turn > unresponsive? The console is not responsive, but kernel seems busy because I see periodic timeout messages from the samsung clock driver. Note that I see these messages when things are functioning normally also. Kevin [1] [ 337.832031] wait_until_divider_stable: timeout in divider stablization [ 337.847024] wait_until_divider_stable: timeout in divider stablization [ 337.862024] wait_until_divider_stable: timeout in divider stablization [ 337.957028] wait_until_divider_stable: timeout in divider stablization [ 337.972024] wait_until_divider_stable: timeout in divider stablization [ 337.987024] wait_until_divider_stable: timeout in divider stablization [ 340.082029] wait_until_divider_stable: timeout in divider stablization [ 340.097024] wait_until_divider_stable: timeout in divider stablization [ 340.112024] wait_until_divider_stable: timeout in divider stablization [ 346.242030] wait_until_divider_stable: timeout in divider stablization [ 346.257024] wait_until_divider_stable: timeout in divider stablization [ 346.272024] wait_until_divider_stable: timeout in divider stablization [ 348.322029] wait_until_divider_stable: timeout in divider stablization [ 348.337025] wait_until_divider_stable: timeout in divider stablization [ 348.352024] wait_until_divider_stable: timeout in divider stablization -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |