> On Jul 22, 2016, at 9:41 AM, Carlos Alberto Lopez Perez <clo...@igalia.com> > wrote: > > On 21/07/16 14:32, Herve Jourdain wrote: >> v4 series: >> a. rebased >> b. Upstream-Status added to the patch to the VC4 driver (needed only for >> kernel 4.4, accepted upstream in 4.7) >> >> v3 series: >> a. patch rebased >> b. new revision of kernel, to get a version of the VC4 graphics driver that >> handles render nodes >> c. patch to the VC4 driver to enable proper working of the render nodes >> (need to add authorization for IOCTLs) >> >> v2 series: >> a. Fix the 4.4.10 kernel revision >> b. Effectively add vc4-kms-v3d overlay to the list of overlays to build >> (forgotten previously) >> c. Make the parameter to the v4c-kms-v3d overlay configurable >> d. Add default values for the cma parameter to the v4c-kms-v3d overlay, >> depending on the board (and the memory it has) >> >> This patch series enables the support for the VC4 graphics driver from Eric >> Anholt. >> There was a previous patch series by Javier Martinez Canillas, but it >> required use of a different kernel. >> VC4 is now supported in the raspberrypi official kernel, at least for 4.4.9+. >> The support in 4.1 exists, but it is NOT STABLE, so it has been deemed >> unreasonable to support VC4 with 4.1 kernels. >> >> THEREFORE, VC4 graphics is supported ONLY for kernel versions 4.4.9 and >> later. >> >> This patch series proposes to support VC4 by only adding 'vc4graphics' to >> MACHINE_FEATURES, for raspberrypi. If this is set, it will trigger all the >> necessary configuration/changes to use the VC4 driver, including >> mesa/wayland/weston currently, and adding the overlay required. >> In order for this series to work, some previous patches are needed (support >> for .dtbo, and fix of the mesa packaging when there is no DRI driver). >> The memory reserved for the VC4 driver has default values depending on the >> version of the board used, but it can be configured by setting VC4_CMA_SIZE >> to a value supported by the overlay ('cma-256', 'cma-192', 'cma-128', >> 'cma-96', 'cma-64'). >> 'cma-256' is the recommended value, but it might not be possible on boards >> with 512MB or DRAM, or less... >> 'cma-64' is known to not being able to support FHD/1080p. >> >> It was tested with wayland/weston, without the support for X11. >> > > > I have a follow-up patch adding support for X11 that I will send once > this is merged. >
Can you send the patch to the list please.
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