Thread (47 messages) 47 messages, 6 authors, 2025-10-01

Re: [PATCH v3 05/20] drm/rockchip: lvds: switch to FIELD_PREP_WM16 macro

From: Heiko Stuebner <heiko@sntech.de>
Date: 2025-08-27 07:09:46
Also in: dri-devel, linux-clk, linux-media, linux-mmc, linux-pci, linux-phy, linux-pm, linux-rockchip, linux-sound, lkml, llvm

Am Montag, 25. August 2025, 10:28:25 Mitteleuropäische Sommerzeit schrieb Nicolas Frattaroli:
The era of hand-rolled HIWORD_UPDATE macros is over, at least for those
drivers that use constant masks.

Remove rockchip_lvds.h's own HIWORD_UPDATE macro, and replace all
instances of it with hw_bitfield.h's FIELD_PREP_WM16 macro, which gives
us more error checking.

For the slightly-less-trivial case of the 2-bit width instance, the
results were checked during development to match all possible input
values (0 to 3, inclusive).

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>

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