Re: [PATCH] arch/sh: Drop CONFIG_FIRMWARE_EDID from defconfig files
Jani Nikula <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.ports.sh.devel,gmane.comp.video.dri.devel |
|---|---|
| Organization | Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland |
| Message-ID | <[email protected]> |
On Wed, 01 Apr 2026, Thomas Zimmermann <[email protected]> wrote: > Am 01.04.26 um 10:46 schrieb John Paul Adrian Glaubitz: >> My SH7785LCR board does have a DVI output as well as a Silicon Motion SM-501 video >> chip though, so I think it should be able to perform EDID in general. Or is the >> protocol actually tied to the x86 architecture? What about monitors on a PowerPC >> workstation, for example? Does EDID not work there at all? > > Yes, your system can fetch the EDID via the Linux driver. But > FIRMWARE_EDID is a special feature where the EDID gets delivered by the > boot loader. This has always only been possible on x86 or with EFI. And then there's the completely separate CONFIG_DRM_LOAD_EDID_FIRMWARE config to allow loading the EDID through the kernel firmware loader. Not confusing or misleading at all. ;D BR, Jani. -- Jani Nikula, Intel