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media: vde: Explicitly specify PMC instance to use

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Currently the kernel relies on a global variable to reference the PMC
context. Use an explicit lookup for the PMC and pass that to the public
PMC APIs.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2025-02-03 16:29:35 +01:00
parent e68c424413
commit c4d22e0d44
2 changed files with 12 additions and 4 deletions
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15
drivers/media/platform/nvidia/tegra-vde/vde.c
View File

@ -161,7 +161,8 @@ static __maybe_unused int tegra_vde_runtime_suspend(struct device *dev)
int err;
if (!dev->pm_domain) {
err = tegra_powergate_power_off(TEGRA_POWERGATE_VDEC);
err = tegra_pmc_powergate_power_off(vde->pmc,
TEGRA_POWERGATE_VDEC);
if (err) {
dev_err(dev, "Failed to power down HW: %d\n", err);
return err;
@ -193,15 +194,16 @@ static __maybe_unused int tegra_vde_runtime_resume(struct device *dev)
}
if (!dev->pm_domain) {
err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_VDEC,
vde->clk, vde->rst);
err = tegra_pmc_powergate_sequence_power_up(vde->pmc,
TEGRA_POWERGATE_VDEC,
vde->clk, vde->rst);
if (err) {
dev_err(dev, "Failed to power up HW : %d\n", err);
goto release_reset;
}
} else {
/*
* tegra_powergate_sequence_power_up() leaves clocks enabled,
* tegra_pmc_powergate_sequence_power_up() leaves clocks enabled,
* while GENPD not.
*/
err = clk_prepare_enable(vde->clk);
@ -293,6 +295,11 @@ static int tegra_vde_probe(struct platform_device *pdev)
return err;
}
vde->pmc = devm_tegra_pmc_get(dev);
if (IS_ERR(vde->pmc))
return dev_err_probe(dev, PTR_ERR(vde->pmc),
"failed to get PMC\n");
irq = platform_get_irq_byname(pdev, "sync-token");
if (irq < 0)
return irq;

1
drivers/media/platform/nvidia/tegra-vde/vde.h
View File

@ -107,6 +107,7 @@ struct tegra_vde {
struct list_head map_list;
struct reset_control *rst;
struct reset_control *rst_mc;
struct tegra_pmc *pmc;
struct gen_pool *iram_pool;
struct completion decode_completion;
struct clk *clk;