Re: [PATCH 15/19] drm/i915: WA for zero memory channel

On Mon, 2021-04-12 at 10:05 +0100, Matthew Auld wrote: > From: José Roberto de Souza > > Commit c457d9cf256e ("drm/i915: Make sure we have enough memory > bandwidth on ICL") assumes that we always have a non-zero > dram_info->channels and uses it as a divisor. We need num memory > channels to be

[PATCH 15/19] drm/i915: WA for zero memory channel

From: José Roberto de Souza Commit c457d9cf256e ("drm/i915: Make sure we have enough memory bandwidth on ICL") assumes that we always have a non-zero dram_info->channels and uses it as a divisor. We need num memory channels to be at least 1 for sane bw limits checking, even when PCode returns 0,