From patchwork Wed Feb 19 18:43:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Nazzareno Trimarchi X-Patchwork-Id: 236593 List-Id: U-Boot discussion From: michael at amarulasolutions.com (Michael Trimarchi) Date: Wed, 19 Feb 2020 19:43:40 +0100 Subject: [RFC PATCH 0/2] Update reserved memory for simple framebuffer Message-ID: <20200219184342.15974-1-michael@amarulasolutions.com> Reserved memory for simple frame buffer should be created in a different way: + aliases { + display0 = &lcdif; + }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + display_reserved: framebuffer at 86fa2000 { + reg = <0x86fa2000 0x80000>; + no-map; + }; + + }; We add a function to change the loaded dts and inject those information. I have added another patch for meson. Right now I'm testing on tinker-s board Michael Trimarchi (2): common: fdt: Add a function for reserving memory without kernel linear mapping video: meson: Use reserving memory function without kernel linear mapping common/fdt_support.c | 40 +++++++++++++++++++++++++++++++++ drivers/video/meson/meson_vpu.c | 6 ++--- include/fdt_support.h | 11 +++++++++ 3 files changed, 54 insertions(+), 3 deletions(-)