From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Date: Tue, 05 Feb 2019 09:02:46 +0000 Subject: Re: [PATCH 0/8] fbdev: sm712fb: implement 2D acceleration w/ cleanups. Message-Id: <20190205090246.GB3271@phenom.ffwll.local> List-Id: References: <20190202061648.30374-1-tomli@tomli.me> <20190204092618.GM3271@phenom.ffwll.local> <20190204220650.GA24673@localhost.localdomain> In-Reply-To: <20190204220650.GA24673@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tom Li Cc: linux-fbdev@vger.kernel.org, Teddy Wang , Bartlomiej Zolnierkiewicz , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Sudip Mukherjee On Tue, Feb 05, 2019 at 06:06:50AM +0800, Tom Li wrote: > > Since you care about this driver, considered converting it to a drm > > display driver? You can still have all the acceleration and stuff, the > > fbdev compat mode in drm is rather flexible. > > -Daniel > > Yes, I know fbdev is now in maintenance-only mode, reimplementing it > on top of DRM is on my roadmap, including rewriting a saner version > of the modesetting code. The current version is beyond repair. I'll > start working on it once I managed to purchase the hardware for testing. > > But currently my objectively is to have something usable during the > transitional period. The major user of the chipset was Yeeloong 8089D > laptop - a choice for many non-x86 and MIPS hobbyists for experimentation. > Getting the current version of the patch merged would solve the immediate > usability issues, and then trying to get some platform drivers merged. > And after completing the preliminary upstreaming process, since then, > can start working on a DRM version of the driver, and possibly eventually > remove the fbdev version of sm712fb entirely. > > The 2D acceleration implementation is strictly no more than 200 lines, > the vast majority of the code insertions are comments and documentation > changes ranting about the known issues of the driver/hardware, nothing > non-trivial is added and I think the changeset is manageable and would > not be a burden for the fbdev maintainers, and I can grarantee that I will > not add any other new features to this driver. Awesome, and I think as a gradual plan this makes tons of sense. Cheers, Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch