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authorMatt Longnecker <mlongnecker@nvidia.com>2014-08-18 17:00:01 -0700
committerWinnie Hsu <whsu@nvidia.com>2014-09-19 10:13:19 -0700
commit027d2646851ad2810a96db9d63d80bb333a543f0 (patch)
tree9b86bb54c6aa2a97b4c02bf4b34b116dfa8fc983 /drivers/gpu
parentd758be8cb8f3f3a06ec1b4042b1af09c8c5de536 (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/gpu')
-rw-r--r--drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index a20ad8f116a1..edeacdac6e5c 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -238,7 +238,7 @@ static void gk20a_tegra_prescale(struct platform_device *pdev)
u32 avg = 0;
gk20a_pmu_load_norm(g, &avg);
- tegra_edp_notify_gpu_load(avg);
+ tegra_edp_notify_gpu_load(avg, gk20a_clk_get_rate(g));
}
/*
@@ -477,7 +477,7 @@ static int gk20a_tegra_late_probe(struct platform_device *dev)
static int gk20a_tegra_suspend(struct device *dev)
{
- tegra_edp_notify_gpu_load(0);
+ tegra_edp_notify_gpu_load(0, 0);
return 0;
}