diff options
Diffstat (limited to 'src/drivers/analogix/anx7625/anx7625.c')
| -rw-r--r-- | src/drivers/analogix/anx7625/anx7625.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/src/drivers/analogix/anx7625/anx7625.c b/src/drivers/analogix/anx7625/anx7625.c index e3a511131f..8726ac0254 100644 --- a/src/drivers/analogix/anx7625/anx7625.c +++ b/src/drivers/analogix/anx7625/anx7625.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> +#include <commonlib/bsd/gcd.h> #include <delay.h> #include <device/i2c_simple.h> #include <edid.h> @@ -152,30 +153,14 @@ static int wait_aux_op_finish(uint8_t bus) return 0; } -static unsigned long gcd(unsigned long a, unsigned long b) -{ - if (a == 0) - return b; - - while (b != 0) { - if (a > b) - a = a - b; - else - b = b - a; - } - - return a; -} - /* Reduce fraction a/b */ -static void anx7625_reduction_of_a_fraction(unsigned long *_a, - unsigned long *_b) +static void anx7625_reduction_of_a_fraction(u32 *_a, u32 *_b) { - unsigned long gcd_num; - unsigned long a = *_a, b = *_b, old_a, old_b; + u32 gcd_num; + u32 a = *_a, b = *_b, old_a, old_b; u32 denom = 1; - gcd_num = gcd(a, b); + gcd_num = gcd32(a, b); a /= gcd_num; b /= gcd_num; @@ -198,9 +183,7 @@ static void anx7625_reduction_of_a_fraction(unsigned long *_a, *_b = b; } -static int anx7625_calculate_m_n(u32 pixelclock, - unsigned long *m, unsigned long *n, - uint8_t *pd) +static int anx7625_calculate_m_n(u32 pixelclock, u32 *m, u32 *n, uint8_t *pd) { uint8_t post_divider = *pd; if (pixelclock > PLL_OUT_FREQ_ABS_MAX / POST_DIVIDER_MIN) { @@ -300,7 +283,7 @@ static int anx7625_odfc_config(uint8_t bus, uint8_t post_divider) static int anx7625_dsi_video_config(uint8_t bus, struct display_timing *dt) { - unsigned long m, n; + u32 m, n; u16 htotal; int ret; uint8_t post_divider = 0; @@ -311,7 +294,7 @@ static int anx7625_dsi_video_config(uint8_t bus, struct display_timing *dt) return -1; } - ANXINFO("compute M(%lu), N(%lu), divider(%d).\n", m, n, post_divider); + ANXINFO("compute M(%u), N(%u), divider(%d).\n", m, n, post_divider); /* configure pixel clock */ ret = anx7625_reg_write(bus, RX_P0_ADDR, PIXEL_CLOCK_L, |