[Intel-gfx] [PATCH] drm/i915/dsb: Remove PIN_MAPPABLE from the DSB object VMA

[Animesh Manna]

On 10/17/2019 9:28 PM, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>
> It sounds like the hardware only needs the DSB object to be in global GTT
> and not in the mappable region.

Currently tested and working without any regression, waiting for 
confirmation from h/w team, will update soon.

Regards,
Animesh
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Cc: Animesh Manna <animesh.manna at intel.com>
> ---
>   drivers/gpu/drm/i915/display/intel_dsb.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
> index bb5a0e91b370..d8ad5fe1efef 100644
> --- a/drivers/gpu/drm/i915/display/intel_dsb.c
> +++ b/drivers/gpu/drm/i915/display/intel_dsb.c
> @@ -119,7 +119,7 @@ intel_dsb_get(struct intel_crtc *crtc)
>   		goto err;
>   	}
>   
> -	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
> +	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, 0);
>   	if (IS_ERR(vma)) {
>   		DRM_ERROR("Vma creation failed\n");
>   		i915_gem_object_put(obj);