[PATCH 2/2] drm/amdgpu/display: disable FBC

[Wentland, Harry]

On 2018-11-05 2:27 p.m., Alex Deucher wrote:
> Causes a black screen on Stoney laptop.
> 
> bug: https://bugs.freedesktop.org/show_bug.cgi?id=108577
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> index 1a90e1a38055..ad59436a91b1 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> @@ -1354,7 +1354,8 @@ static bool construct(
>  		pool->base.sw_i2cs[i] = NULL;
>  	}
>  
> -	dc->fbc_compressor = dce110_compressor_create(ctx);
> +	/* disable FBC for now */
> +	/* dc->fbc_compressor = dce110_compressor_create(ctx); */

Maybe we should make that runtime configurable if it can be flaky, like i915's enable_fbc: https://wiki.archlinux.org/index.php/intel_graphics#Framebuffer_compression_.28enable_fbc.29

Harry

>  
>  	if (!underlay_create(ctx, &pool->base))
>  		goto res_create_fail;
>