linux-kernel - Re: [PATCH 3.16 302/370] drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor

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Message-ID: <2719d055-9f9a-15c4-f20b-482947357a32@daenzer.net>
Date:   Mon, 13 Mar 2017 12:35:12 +0900
From:   Michel Dänzer <michel@...nzer.net>
To:     Ben Hutchings <ben@...adent.org.uk>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        akpm@...ux-foundation.org,
        Michel Dänzer <michel.daenzer@....com>,
        Sonny Jiang <sonny.jiang@....com>,
        Ashutosh Kumar <ashutosh.kumar@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH 3.16 302/370] drm/radeon: Use mode h/vdisplay fields to
 hide out of bounds HW cursor

On 10/03/17 08:46 PM, Ben Hutchings wrote:
> 3.16.42-rc1 review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Michel Dänzer <michel.daenzer@....com>
> 
> commit d74c67dd7800fc7aae381f272875c337f268806c upstream.
> 
> The crtc_h/vdisplay fields may not match the CRTC viewport dimensions
> with special modes such as interlaced ones.
> 
> Fixes the HW cursor disappearing in the bottom half of the screen with
> interlaced modes.
> 
> Fixes: 6b16cf7785a4 ("drm/radeon: Hide the HW cursor while it's out of bounds")

It might make sense to squash together the backports of this commit and
6b16cf7785a4, or at least move them closer together in the series, to
prevent people from hitting the regressed state.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer