Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A few clk driver fixes for Samsung and Qualcomm clk drivers:

   - Suspend on Google GS101 crashes when trying to save some clk
     registers that we shouldn't be saving so we don't do that anymore

   - The PLL lock time was wrong on the Tesla FSD which could lead to
     the PLL never locking

   - Qualcomm's display clk controller on SM8750 was trying to change
     the frequency of a parent clk for the DSI device when it should
     have stopped and adjusted the divider. The failure is that the clk
     frequency was half what was expected, leading to broken display"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: samsung: update PLL locktime for PLL142XX used on FSD platform
  clk: samsung: gs101: fix synchronous external abort in samsung_clk_save()
  clk: qcom: dispcc-sm8750: Drop incorrect CLK_SET_RATE_PARENT on byte intf parent
This commit is contained in:
Linus Torvalds
2025-03-13 15:34:26 -10:00
3 changed files with 6 additions and 11 deletions

View File

@@ -827,7 +827,6 @@ static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = {
&disp_cc_mdss_byte0_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ops,
},
};
@@ -842,7 +841,6 @@ static struct clk_regmap_div disp_cc_mdss_byte1_div_clk_src = {
&disp_cc_mdss_byte1_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ops,
},
};

View File

@@ -382,17 +382,9 @@ static const unsigned long cmu_top_clk_regs[] __initconst = {
EARLY_WAKEUP_DPU_DEST,
EARLY_WAKEUP_CSIS_DEST,
EARLY_WAKEUP_SW_TRIG_APM,
EARLY_WAKEUP_SW_TRIG_APM_SET,
EARLY_WAKEUP_SW_TRIG_APM_CLEAR,
EARLY_WAKEUP_SW_TRIG_CLUSTER0,
EARLY_WAKEUP_SW_TRIG_CLUSTER0_SET,
EARLY_WAKEUP_SW_TRIG_CLUSTER0_CLEAR,
EARLY_WAKEUP_SW_TRIG_DPU,
EARLY_WAKEUP_SW_TRIG_DPU_SET,
EARLY_WAKEUP_SW_TRIG_DPU_CLEAR,
EARLY_WAKEUP_SW_TRIG_CSIS,
EARLY_WAKEUP_SW_TRIG_CSIS_SET,
EARLY_WAKEUP_SW_TRIG_CSIS_CLEAR,
CLK_CON_MUX_MUX_CLKCMU_BO_BUS,
CLK_CON_MUX_MUX_CLKCMU_BUS0_BUS,
CLK_CON_MUX_MUX_CLKCMU_BUS1_BUS,

View File

@@ -206,6 +206,7 @@ static const struct clk_ops samsung_pll3000_clk_ops = {
*/
/* Maximum lock time can be 270 * PDIV cycles */
#define PLL35XX_LOCK_FACTOR (270)
#define PLL142XX_LOCK_FACTOR (150)
#define PLL35XX_MDIV_MASK (0x3FF)
#define PLL35XX_PDIV_MASK (0x3F)
@@ -272,7 +273,11 @@ static int samsung_pll35xx_set_rate(struct clk_hw *hw, unsigned long drate,
}
/* Set PLL lock time. */
writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR,
if (pll->type == pll_142xx)
writel_relaxed(rate->pdiv * PLL142XX_LOCK_FACTOR,
pll->lock_reg);
else
writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR,
pll->lock_reg);
/* Change PLL PMS values */