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UPSTREAM: drm/tegra: Bump VIC clock rate to Fmax

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

Change-Id: I2b05bec99dc63f670b0d54cb71715dec2b8f57ee
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2599710
(cherry picked from commit d9fc58e4a1e776993f039c7298a4cc3150704dc5)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2620154
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Mikko Perttunen
2021-09-16 18:09:20 +03:00
committed by Laxman Dewangan
parent abbda4e63b
commit 3f528cb16c
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/tegra/vic.c
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@@ -443,6 +443,12 @@ static int vic_probe(struct platform_device *pdev)
return PTR_ERR(vic->clk); 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) { if (!dev->pm_domain) {
vic->rst = devm_reset_control_get(dev, "vic"); vic->rst = devm_reset_control_get(dev, "vic");
if (IS_ERR(vic->rst)) { if (IS_ERR(vic->rst)) {