Re: [Intel-gfx] [PATCH] drm/i915/mtl: avoid stringop-overflow warning

[Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>]

Hi Arnd,

>  static void rc6_res_reg_init(struct intel_rc6 *rc6)
>  {
> -	memset(rc6->res_reg, INVALID_MMIO_REG.reg, sizeof(rc6->res_reg));

This is a complex initialization, indeed... how about just

   memset(rc6->res_reg, 0, sizeof(rc6->res_reg));

> +	i915_reg_t res_reg[INTEL_RC6_RES_MAX] = {
> +		[0 ... INTEL_RC6_RES_MAX - 1] = INVALID_MMIO_REG,
> +	};

This is basically a

   i915_reg_t res_reg[INTEL_RC6_RES_MAX] = { };

Don't know which one is clearer.

Andi