[Intel-gfx] [PATCH] drm/mm: Do DRM_MM_CREATE_TOP adj_start calculation after color_adjust

Chris Wilson chris at chris-wilson.co.uk
Sun Aug 16 00:52:54 PDT 2015

On Sun, Aug 16, 2015 at 04:02:28AM +0100, Michel Thierry wrote:
> The adj_start calculation for DRM_MM_CREATE_TOP should happen after
> mm->color_adjust. There was an inconsistency between
> drm_mm_insert_helper_range
> and drm_mm_insert_helper, as the later was already updating after
> color_adjust.
> Didn't spot it before, as color_adjust is only done in systems without
> LLC. But I'm not aware of anybody using this test case yet.
> Signed-off-by: Michel Thierry <michel.thierry at intel.com>

I sent this patch a few years ago, when I was using a top-down
allocator before llc and I have a similar patch in my tree which I kept
meaning to polish up and warn you about before PIN_HIGH.

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Chris Wilson, Intel Open Source Technology Centre

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