[Bug 93892] Screen flickering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93892

--- Comment #5 from Simon <simdev11 at outlook.com> ---
(In reply to Chris Wilson from comment #3)
> It looks like either a missing write flag or invalid mocs used; either of
> those would be a userspace bug. A quick test would be to
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 8fd00d279447..423e72830733 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -1106,7 +1106,7 @@ i915_gem_execbuffer_move_to_active(struct list_head
> *vmas,
>                 u32 old_write = obj->base.write_domain;
>  
>                 obj->dirty = 1; /* be paranoid  */
> -               obj->base.write_domain = obj->base.pending_write_domain;
> +               obj->base.write_domain = I915_GEM_DOMAIN_RENDER;
>                 if (obj->base.write_domain == 0)
>                         obj->base.pending_read_domains |=
> obj->base.read_domains;
>                 obj->base.read_domains = obj->base.pending_read_domains;

Thanks for your reply. I applied the changes, but it did not fix the problem.

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