diff options
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-di.c')
-rw-r--r-- | drivers/gpu/ipu-v3/ipu-di.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-di.c b/drivers/gpu/ipu-v3/ipu-di.c index b61d6be97602..2970c6bb668c 100644 --- a/drivers/gpu/ipu-v3/ipu-di.c +++ b/drivers/gpu/ipu-v3/ipu-di.c @@ -441,8 +441,7 @@ static void ipu_di_config_clock(struct ipu_di *di, in_rate = clk_get_rate(clk); div = DIV_ROUND_CLOSEST(in_rate, sig->mode.pixelclock); - if (div == 0) - div = 1; + div = clamp(div, 1U, 255U); clkgen0 = div << 4; } @@ -459,6 +458,7 @@ static void ipu_di_config_clock(struct ipu_di *di, clkrate = clk_get_rate(di->clk_ipu); div = DIV_ROUND_CLOSEST(clkrate, sig->mode.pixelclock); + div = clamp(div, 1U, 255U); rate = clkrate / div; error = rate / (sig->mode.pixelclock / 1000); @@ -481,8 +481,7 @@ static void ipu_di_config_clock(struct ipu_di *di, in_rate = clk_get_rate(clk); div = DIV_ROUND_CLOSEST(in_rate, sig->mode.pixelclock); - if (div == 0) - div = 1; + div = clamp(div, 1U, 255U); clkgen0 = div << 4; } |