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Date: Sat, 17 Jun 2017 00:25:57 +0200 From: Peter Rosin <peda@...ntia.se> To: Boris Brezillon <boris.brezillon@...e-electrons.com> Cc: linux-kernel@...r.kernel.org, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel.vetter@...el.com>, Jani Nikula <jani.nikula@...ux.intel.com>, Sean Paul <seanpaul@...omium.org>, dri-devel@...ts.freedesktop.org Subject: Re: [RFC PATCH 1/3] atmel-hlcdc: add support for 8-bit color lookup table mode On 2017-06-16 23:12, Peter Rosin wrote: > On 2017-06-16 18:15, Boris Brezillon wrote: >> To be very clear, I'd like you to test it through DRM ioctls, not only >> through the fbdev emulation layer. > > ...so yeah, right, I couldn't agree more. Any pointers to code w/o a bunch > of complex library dependencies that I can test with? I have now built libdrm-2.4.81, and get this: $ modetest -M atmel-hlcdc -s 27@39:1024x768 setting mode 1024x768-60Hz@...4 on connectors 27, crtc 39 $ modetest -M atmel-hlcdc -s 27@39:1024x768@...6 setting mode 1024x768-60Hz@...6 on connectors 27, crtc 39 $ modetest -M atmel-hlcdc -s 27@39:1024x768@C8 unknown format C8 <usage> (output on the lcd looks sane for the first two, not that I really know exactly what to expect) Looking at the libdrm code, I only find YUV and RGB modes in tests/util/format.c which make me less confident that I will find something sane to test with. So, pointers to code to test with desperately needed... Cheers, peda
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