From e97a951f194c218aaec34631dca40fcb0c85f309 Mon Sep 17 00:00:00 2001 From: Mikko Perttunen Date: Thu, 16 Sep 2021 18:09:20 +0300 Subject: [PATCH] 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 Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/nvdec.c | 6 ++++++ drivers/gpu/drm/tegra/vic.c | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c index c3b6fe7fb4547..48c90e26e90a4 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 c02010ff2b7f2..dec5e56f67804 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)) { -- 2.30.2