diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2016-02-25 09:16:25 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:15:51 -0700 |
| commit | 318be96313dcf3828b02937e5aae38e9f862acf3 (patch) | |
| tree | a2a708086d1387655dd0e46136314a657dfa2866 /drivers/gpu/msm | |
| parent | ef08f68897785638f354e9d46ebe5f7455e0e6a3 (diff) | |
devfreq: Add Qualcomm GPU devfreq governors
Snapshot of the Qualcomm GPU devfreq governors and support
as of msm-3.18 commit e70ad0cd5efd
("Promotion of kernel.lnx.3.18-151201.").
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Diffstat (limited to 'drivers/gpu/msm')
| -rw-r--r-- | drivers/gpu/msm/kgsl_pwrscale.c | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/drivers/gpu/msm/kgsl_pwrscale.c b/drivers/gpu/msm/kgsl_pwrscale.c index c888df3cb6ed..aa54a9c57c0c 100644 --- a/drivers/gpu/msm/kgsl_pwrscale.c +++ b/drivers/gpu/msm/kgsl_pwrscale.c @@ -434,6 +434,18 @@ static int popp_trans2(struct kgsl_device *device, int level) return level; } +#ifdef DEVFREQ_FLAG_WAKEUP_MAXFREQ +static inline bool _check_maxfreq(u32 flags) +{ + return (flags & DEVFREQ_FLAG_WAKEUP_MAXFREQ); +} +#else +static inline bool _check_maxfreq(u32 flags) +{ + return false; +} +#endif + /* * kgsl_devfreq_target - devfreq_dev_profile.target callback * @dev: see devfreq.h @@ -458,7 +470,7 @@ int kgsl_devfreq_target(struct device *dev, unsigned long *freq, u32 flags) return 0; pwr = &device->pwrctrl; - if (flags & DEVFREQ_FLAG_WAKEUP_MAXFREQ) { + if (_check_maxfreq(flags)) { /* * The GPU is about to get suspended, * but it needs to be at the max power level when waking up @@ -660,6 +672,30 @@ int kgsl_busmon_get_dev_status(struct device *dev, return 0; } +#ifdef DEVFREQ_FLAG_FAST_HINT +static inline bool _check_fast_hint(u32 flags) +{ + return (flags & DEVFREQ_FLAG_FAST_HINT); +} +#else +static inline bool _check_fast_hint(u32 flags) +{ + return false; +} +#endif + +#ifdef DEVFREQ_FLAG_SLOW_HINT +static inline bool _check_slow_hint(u32 flags) +{ + return (flags & DEVFREQ_FLAG_SLOW_HINT); +} +#else +static inline bool _check_slow_hint(u32 flags) +{ + return false; +} +#endif + /* * kgsl_busmon_target - devfreq_dev_profile.target callback * @dev: see devfreq.h @@ -708,10 +744,10 @@ int kgsl_busmon_target(struct device *dev, unsigned long *freq, u32 flags) } b = pwr->bus_mod; - if ((bus_flag & DEVFREQ_FLAG_FAST_HINT) && + if (_check_fast_hint(bus_flag) && ((pwr_level->bus_freq + pwr->bus_mod) < pwr_level->bus_max)) pwr->bus_mod++; - else if ((bus_flag & DEVFREQ_FLAG_SLOW_HINT) && + else if (_check_slow_hint(bus_flag) && ((pwr_level->bus_freq + pwr->bus_mod) > pwr_level->bus_min)) pwr->bus_mod--; |