Re: [PATCH] drm/ast: change resolution may cause screen blurred

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On Wed, Oct 03, 2018 at 02:57:47PM +0800, Y.C. Chen wrote:
> From: "Y.C. Chen" <yc_chen@xxxxxxxxxxxxxx>
> 
> The value of pitches is not correct while calling mode_set.
> The issue we found so far on following system:
> - Debian8 with XFCE Desktop
> - Ubuntu with KDE Desktop
> - SUSE15 with KDE Desktop
> 
> Signed-off-by: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx>

btw do you want commit rights for drm-misc for these ast patches?

https://drm.pages.freedesktop.org/maintainer-tools/drm-misc.html

Cheers, Daniel

> ---
>  drivers/gpu/drm/ast/ast_mode.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index 5e77d45..f06aae7 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -568,6 +568,7 @@ static int ast_crtc_do_set_base(struct drm_crtc *crtc,
>  	}
>  	ast_bo_unreserve(bo);
>  
> +	ast_set_offset_reg(crtc);
>  	ast_set_start_address_crt1(crtc, (u32)gpu_addr);
>  
>  	return 0;
> -- 
> 1.8.3.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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