diff options
| author | Matt Longnecker <mlongnecker@nvidia.com> | 2014-08-18 17:00:01 -0700 |
|---|---|---|
| committer | Winnie Hsu <whsu@nvidia.com> | 2014-09-19 10:13:19 -0700 |
| commit | 027d2646851ad2810a96db9d63d80bb333a543f0 (patch) | |
| tree | 9b86bb54c6aa2a97b4c02bf4b34b116dfa8fc983 /drivers/video | |
| parent | d758be8cb8f3f3a06ec1b4042b1af09c8c5de536 (diff) | |
edp: sysedp : CPU/GPU priority depends on fGPU
Provide sysedp_dynamic_capping with the instantaneous GPU frequency
when notifying it of the GPU load. Modify the gpu/cpu priority
decision logic to choose CPU priority until GPU frequency gets "near"
the CPU-priority-limited-GPU-fmax. Introduce the priority_bias debugfs
parameter to facilitate tuning of "near". priority_bias takes a value
from 0 to 100.
Change-Id: I57df17d50cd8077a512b5932f4a304ca5e6992aa
Signed-off-by: Matt Longnecker <mlongnecker@nvidia.com>
Reviewed-on: http://git-master/r/481720
(cherry picked from commit b2ac745a45e273e849d7b190913ee97092fdebc2)
Reviewed-on: http://git-master/r/498901
GVS: Gerrit_Virtual_Submit
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/tegra/host/nvhost_acm.c | 2 | ||||
| -rw-r--r-- | drivers/video/tegra/host/nvhost_scale.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/tegra/host/nvhost_acm.c b/drivers/video/tegra/host/nvhost_acm.c index 36b54b7a1d59..2695268aeff3 100644 --- a/drivers/video/tegra/host/nvhost_acm.c +++ b/drivers/video/tegra/host/nvhost_acm.c @@ -615,7 +615,7 @@ int nvhost_module_suspend(struct device *dev) /* inform edp governor that there is no load any more */ if (pdata->gpu_edp_device) - tegra_edp_notify_gpu_load(0); + tegra_edp_notify_gpu_load(0, 0); return 0; } diff --git a/drivers/video/tegra/host/nvhost_scale.c b/drivers/video/tegra/host/nvhost_scale.c index 4129c566c92c..51e94251e3c3 100644 --- a/drivers/video/tegra/host/nvhost_scale.c +++ b/drivers/video/tegra/host/nvhost_scale.c @@ -222,7 +222,9 @@ static void nvhost_scale_notify(struct platform_device *pdev, bool busy) if (pdata->gpu_edp_device) { u32 avg = 0; actmon_op().read_avg_norm(profile->actmon, &avg); - tegra_edp_notify_gpu_load(avg); + BUG(); + /* the next line passes a bogus frequency */ + tegra_edp_notify_gpu_load(avg, 0); } /* If defreq is disabled, set the freq to max or min */ |