diff options
| author |   Mikko Perttunen <mperttunen@nvidia.com> | 2021-09-16 18:09:20 +0300 |
|---|---|---|
| committer |   Thierry Reding <treding@nvidia.com> | 2021-12-16 14:07:06 +0100 |
| commit | e97a951f194c218aaec34631dca40fcb0c85f309 (patch) | |
| tree | ee93de0be8f91dcfbc1d6858d1ff4f270d613278 | |
| parent | drm/tegra: Add NVDEC driver (diff) | |
| download | linux-dev-e97a951f194c218aaec34631dca40fcb0c85f309.tar.xz linux-dev-e97a951f194c218aaec34631dca40fcb0c85f309.zip | |
drm/tegra: Bump VIC/NVDEC clock rates to Fmax
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>
| -rw-r--r-- | drivers/gpu/drm/tegra/nvdec.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/vic.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c index c3b6fe7fb454..48c90e26e90a 100644 --- a/drivers/gpu/drm/tegra/nvdec.c +++ b/drivers/gpu/drm/tegra/nvdec.c @@ -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; diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index c02010ff2b7f..dec5e56f6780 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -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)) { |