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One small fix for the Allwinner clk driver so that display clks figure 

out the correct rate to use. This fixes displays running 4k@60Hz and
 some other resolutions that haven't been exercised and fully understood
 until now.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fix from Stephen Boyd:
 "One small fix for the Allwinner clk driver so that display clks figure
  out the correct rate to use.

  This fixes displays running 4k@60Hz and some other resolutions that
  haven't been exercised and fully understood until now"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: sunxi-ng: mp: fix parent rate change flag check
This commit is contained in:
Linus Torvalds 2021-02-13 14:25:22 -08:00
parent 0001ec9b14 245090ab26
commit 358feceebb
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/sunxi-ng/ccu_mp.c
View File

@ -108,7 +108,7 @@ static unsigned long ccu_mp_round_rate(struct ccu_mux_internal *mux,
max_m = cmp->m.max ?: 1 << cmp->m.width;
max_p = cmp->p.max ?: 1 << ((1 << cmp->p.width) - 1);
if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) {
if (!clk_hw_can_set_rate_parent(&cmp->common.hw)) {
ccu_mp_find_best(*parent_rate, rate, max_m, max_p, &m, &p);
rate = *parent_rate / p / m;
} else {