Unverified Commit 818956c7 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Maxime Ripard
Browse files

drm/rockchip: avoid 64-bit division 



Dividing a 64-bit integer prevents building this for 32-bit targets:

ERROR: modpost: "__aeabi_uldivmod" [drivers/gpu/drm/rockchip/rockchipdrm.ko] undefined!

As this function is not performance criticial, just Use the div_u64() helper.

Fixes: 128a9bf8 ("drm/rockchip: Add basic RK3588 HDMI output support")
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarNathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20241018151016.3496613-1-arnd@kernel.org


Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
(cherry picked from commit 4b64b4a8)
Signed-off-by: default avatarMaxime Ripard <mripard@kernel.org>
parent a163b895

drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c

+1 −1
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ static void dw_hdmi_qp_rockchip_encoder_enable(struct drm_encoder *encoder) 
		 * comment in rk_hdptx_phy_power_on() from

		 * drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c

		 */

		phy_set_bus_width(hdmi->phy, rate / 100);

		phy_set_bus_width(hdmi->phy, div_u64(rate, 100));

	}

}