Re: [Intel-gfx] [PATCH] drm/i915: Flush GPU relocs harder for gen3

2018-12-07 Thread Joonas Lahtinen
Quoting Chris Wilson (2018-12-07 15:40:37) > Adding an extra MI_STORE_DWORD_IMM to the gpu relocation path for gen3 > was good, but still not good enough. To survive 24+ hours under test we > needed to perform not one, not two but three extra store-dw. Doing so > for each GPU relocation was a

[Intel-gfx] [PATCH] drm/i915: Flush GPU relocs harder for gen3

2018-12-07 Thread Chris Wilson
Adding an extra MI_STORE_DWORD_IMM to the gpu relocation path for gen3 was good, but still not good enough. To survive 24+ hours under test we needed to perform not one, not two but three extra store-dw. Doing so for each GPU relocation was a little unsightly and since we need to worry about