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drm/rockchip: avoid 64-bit division

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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: 128a9bf8ac ("drm/rockchip: Add basic RK3588 HDMI output support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20241018151016.3496613-1-arnd@kernel.org
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This commit is contained in:
Arnd Bergmann 2024-10-18 15:10:10 +00:00 committed by Liviu Dudau
parent 0811cc0baf
commit 4b64b4a81f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
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@ -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));
}
}