[PATCH v3 04/19] drm/msm/dpu: drop dpu_mdss_cfg::mdp_count field

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Sat Jun 17 00:38:35 UTC 2023


On 17/06/2023 01:44, Marijn Suijten wrote:
> On 2023-06-17 00:41:40, Marijn Suijten wrote:
> <snip>
>>> -	cfg = _top_offset(idx, m, addr, &mdp->hw);
>>> -	if (IS_ERR_OR_NULL(cfg)) {
>>> -		kfree(mdp);
>>> -		return ERR_PTR(-EINVAL);
>>> -	}
>>> +	mdp->hw.blk_addr = addr + m->mdp->base;
>>> +	mdp->hw.log_mask = DPU_DBG_MASK_TOP;
>>
>> You lost the assignment of m->mdp to the local cfg variable, causing
>> mdp->caps = cfg; below to remain NULL.
> 
> To solve that in a clean way, you might as well pass `const struct
> dpu_mdp_cfg *cfg` directly from dpu_kms.c into dpu_hw_mdptop_init, as I
> did for the other HW blocks in "Pass catalog pointers in RM to replace
> for-loop ID lookups".

Sounds good.

-- 
With best wishes
Dmitry



More information about the dri-devel mailing list