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drm/tegra: Bump VIC/NVDEC clock rates to Fmax

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To get full performance out of these engines, bump their clock rates
to maximum. In the future we may want something smarter but this
should be fine for now.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Mikko Perttunen
2021-09-16 18:09:20 +03:00
committed by Thierry Reding
parent 46f226c93d
commit e97a951f19
2 changed files with 12 additions and 0 deletions
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6
drivers/gpu/drm/tegra/nvdec.c
View File

@@ -374,6 +374,12 @@ static int nvdec_probe(struct platform_device *pdev)
return PTR_ERR(nvdec->clk);
}
err = clk_set_rate(nvdec->clk, ULONG_MAX);
if (err < 0) {
dev_err(&pdev->dev, "failed to set clock rate\n");
return err;
}
err = of_property_read_u32(dev->of_node, "nvidia,host1x-class", &host_class);
if (err < 0)
host_class = HOST1X_CLASS_NVDEC;

6
drivers/gpu/drm/tegra/vic.c
View File

@@ -441,6 +441,12 @@ static int vic_probe(struct platform_device *pdev)
return PTR_ERR(vic->clk);
}
err = clk_set_rate(vic->clk, ULONG_MAX);
if (err < 0) {
dev_err(&pdev->dev, "failed to set clock rate\n");
return err;
}
if (!dev->pm_domain) {
vic->rst = devm_reset_control_get(dev, "vic");
if (IS_ERR(vic->rst)) {