Hi, Hsin-yi:
On Fri, 2019-12-20 at 21:27 +0800, Hsin-Yi Wang wrote:
> On Tue, Dec 10, 2019 at 5:05 AM Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx> wrote:
>
> >
> > +void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
> > + struct mtk_ddp_comp *comp, unsigned int offset)
> > +{
> > +#if IS_ENABLED(CONFIG_MTK_CMDQ)
> Should we use #ifdef like in v4? https://patchwork.kernel.org/patch/11274439/
>
> We got warnings while compiling kernels if CONFIG_MTK_CMDQ is not set,
> since cmdq_pkt_write() would still be compiled.
> Similar in other #if IS_ENABLED(CONFIG_MTK_CMDQ) (also in 7/7
> https://patchwork.kernel.org/patch/11281349/)
>
I've changed IS_ENABLED() to IS_REACHABLE()in mediatek-drm-next-5.6 [1]
for the correct relationship between MTK_DRM and MTK_CMDQ.
[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.6
Regards,
CK
>
> > + if (cmdq_pkt)
> > + cmdq_pkt_write(cmdq_pkt, comp->subsys,
> > + comp->regs_pa + offset, value);
> > + else
> > +#endif
> > + writel(value, comp->regs + offset);
> > +}
> > +
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