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authorMikko Perttunen <mperttunen@nvidia.com>2021-09-16 18:09:20 +0300
committerThierry Reding <treding@nvidia.com>2021-12-16 14:07:06 +0100
commite97a951f194c218aaec34631dca40fcb0c85f309 (patch)
treeee93de0be8f91dcfbc1d6858d1ff4f270d613278
parent46f226c93d35b936aeec6eb31da932dc2e86f413 (diff)
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.c6
-rw-r--r--drivers/gpu/drm/tegra/vic.c6
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)) {