85.5 MHz is the pixel clock of the standard DMT 1366x768@60 mode, which is the native mode of many cheap HDMI panels.
Use a 1368 MHz VCO (24 MHz * 57, already used by the existing 1368 MHz entry) with postdiv1 = postdiv2 = 4 to hit 85.5 MHz exactly in integer mode. Assisted-by: Claude:claude-fable-5 Signed-off-by: Vasily Khoruzhick <[email protected]> --- drivers/clk/rockchip/clk-rk3399.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index c2b243d7a5e2..db241d2df625 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -98,6 +98,7 @@ static struct rockchip_pll_rate_table rk3399_pll_rates[] = { RK3036_PLL_RATE( 148500000, 1, 99, 4, 4, 1, 0), RK3036_PLL_RATE( 106500000, 1, 71, 4, 4, 1, 0), RK3036_PLL_RATE( 96000000, 1, 64, 4, 4, 1, 0), + RK3036_PLL_RATE( 85500000, 1, 57, 4, 4, 1, 0), RK3036_PLL_RATE( 74250000, 2, 99, 4, 4, 1, 0), RK3036_PLL_RATE( 65000000, 1, 65, 6, 4, 1, 0), RK3036_PLL_RATE( 54000000, 1, 54, 6, 4, 1, 0), -- 2.55.0
