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gpu: nvgpu: ga10b: enable frequency scaling

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Enable GPU frequency scaling for t234 silicon.

Bug 3315239

Change-Id: I0b581283d4c9558fb9f7c3b553ea8bee71ba22af
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2617544
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2021-08-23 05:16:31 -07:00
committed by mobile promotions
parent fc27aab523
commit 616a885079
2 changed files with 9 additions and 4 deletions
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6
drivers/gpu/nvgpu/os/linux/driver_common.c
View File

@@ -191,6 +191,12 @@ static void nvgpu_init_pm_vars(struct gk20a *g)
g->elcg_enabled =
nvgpu_platform_is_silicon(g) ? platform->enable_elcg : false;
/* disable devfreq for pre-silicon */
if (!nvgpu_platform_is_silicon(g)) {
platform->devfreq_governor = NULL;
platform->qos_notify = NULL;
}
nvgpu_set_enabled(g, NVGPU_GPU_CAN_ELCG,
nvgpu_platform_is_silicon(g) ? platform->can_elcg : false);
nvgpu_set_enabled(g, NVGPU_GPU_CAN_SLCG,

7
drivers/gpu/nvgpu/os/linux/platform_ga10b_tegra.c
View File

@@ -676,10 +676,9 @@ struct gk20a_platform ga10b_tegra_platform = {
.initscale = ga10b_tegra_scale_init,
.prescale = gp10b_tegra_prescale,
.postscale = gp10b_tegra_postscale,
/* Enable ga10b frequency scaling - JIRA NVGPU-4683 */
/* Disable frequency scaling */
.devfreq_governor = NULL,
.qos_notify = NULL,
.devfreq_governor = "nvhost_podgov",
.qos_notify = gk20a_scale_qos_notify,
.dump_platform_dependencies = gk20a_tegra_debug_dump,