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| author | Chanho Park <chanho61.park@samsung.com> | 2013-11-25 11:52:04 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-08-08 14:37:24 +0900 |
| commit | fbce31b5d67c500b0503fbac25d051becc3aec75 (patch) | |
| tree | 681a8d245952f9ca675184276071f5bbda680684 /drivers | |
| parent | 4e21516f517dd4214d158e27ac98c2775c431f5e (diff) | |
| download | linux-3.10-fbce31b5d67c500b0503fbac25d051becc3aec75.tar.gz linux-3.10-fbce31b5d67c500b0503fbac25d051becc3aec75.tar.bz2 linux-3.10-fbce31b5d67c500b0503fbac25d051becc3aec75.zip | |
gpu: arm: mali400: support gpu frequency profiling
This patch supports gpu frequency profiling by using ARM streamline.
You must turn on below configuration if you want to get a profiling data.
CONFIG_MALI400_PROFILING
CONFIG_MALI400_INTERNAL_PROFILING
Change-Id: Id8cc59b80dcf4483cc5944283fc95daaca6f0839
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c b/drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c index 64fd5de1f70..58b3ae0b9d4 100644 --- a/drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c +++ b/drivers/gpu/arm/mali400/mali/platform/exynos4/exynos4.c @@ -22,6 +22,10 @@ #include "mali_kernel_common.h" #include "mali_osk.h" +#ifdef CONFIG_MALI400_PROFILING +#include "mali_osk_profiling.h" +#endif + #include "exynos4.h" struct mali_exynos_variant { @@ -118,6 +122,20 @@ const struct of_device_id mali_of_matches[] = { { /* Sentinel */ } }; +#ifdef CONFIG_MALI400_PROFILING +static inline void _mali_osk_profiling_add_gpufreq_event(int rate, int vol) +{ + _mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE | + MALI_PROFILING_EVENT_CHANNEL_GPU | + MALI_PROFILING_EVENT_REASON_SINGLE_GPU_FREQ_VOLT_CHANGE, + rate, vol, 0, 0, 0); +} +#else +static inline void _mali_osk_profiling_add_gpufreq_event(int rate, int vol) +{ +} +#endif + /* * DVFS control */ @@ -136,6 +154,8 @@ static void mali_exynos_set_dvfs_step(struct mali_exynos_drvdata *mali, if (step > mali->dvfs_step) clk_set_rate(mali->sclk_g3d, next->rate); + _mali_osk_profiling_add_gpufreq_event(next->rate / 1000000, + regulator_get_voltage(mali->vdd_g3d) / 1000); mali->dvfs_step = step; } @@ -185,6 +205,7 @@ _mali_osk_errcode_t mali_platform_power_mode_change(mali_power_mode power_mode) case MALI_POWER_MODE_LIGHT_SLEEP: case MALI_POWER_MODE_DEEP_SLEEP: clk_disable_unprepare(mali->sclk_g3d); + _mali_osk_profiling_add_gpufreq_event(0, 0); break; } @@ -312,5 +333,7 @@ _mali_osk_errcode_t mali_platform_deinit(void) regulator_disable(mali->vdd_g3d); + _mali_osk_profiling_add_gpufreq_event(0, 0); + MALI_SUCCESS; } |