Re: [PATCH v2 0/2] Fix RK3576/RK3588 fractional PLL rate calculation
Heiko Stuebner <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-clk,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, 23 Jul 2026 14:21:57 +0400, Alexey Charkov wrote:
> Fractional PLL rate recalculation for RK3576/RK3588 doesn't correspond to
> what the hardware actually does due to two issues: wrong denominator for
> the fractional component, and wrong signedness of the fractional
> component. The result is the kernel-visible PLL rate being off by about
> 2 MHz for the two affected PLL rates vs. what the hardware produces.
>
> While this fixes a real bug it's not a regression, as the issue was
> introduced in the same commit that added the RK3576/RK3588 support.
>
> [...]
Applied, thanks!
[1/2] clk: rockchip: pll: Fix the fractional part denominator on RK3588/RK3576
commit: 52aef653c3d0c24013dfa9eccf692594eacdbe17
[2/2] clk: rockchip: Fractional PLL coefficient on RK3588/RK3576 is two's complement
commit: 5814788834774ed6ad1a27ae91b44eeca80cd27f
Best regards,
--
Heiko Stuebner <[email protected]>
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