From: Thomas Zimmermann <tzimmermann@suse.de>
To: deller@gmx.de, daniel@ffwll.ch, javierm@redhat.com
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH 0/2] video/fbdev: Support 'nomodeset' in PCI drivers
Date: Mon, 7 Nov 2022 11:49:14 +0100 [thread overview]
Message-ID: <20221107104916.18733-1-tzimmermann@suse.de> (raw)
Add support for the kernel's 'nomodeset' parameter to PCI-based
fbdev drivers. The option prevents DRM drivers from loading if they
could possibly displace a hardware-agnostic driver that runs on the
firmware framebuffer. It is a fallback for systems on which the
hardware's native driver does not work correctly.
After the work on the aperture helpers and their integration with
fbdev, it can happen that an fbdev driver replaces a hardware-
agnostic DRM driver. Supporting the nomodeset parameter unifies
the behavior among the graphics drivers and subsystems. An fbdev
driver will not replace any hardware-agnostic driver with nomodeset
given.
Thomas Zimmermann (2):
drm: Move nomodeset kernel parameter to drivers/video
fbdev: Add support for the nomodeset kernel parameter
.../admin-guide/kernel-parameters.txt | 2 +-
MAINTAINERS | 2 +
drivers/gpu/drm/Kconfig | 7 +---
drivers/gpu/drm/Makefile | 1 -
drivers/staging/sm750fb/Kconfig | 1 +
drivers/staging/sm750fb/sm750.c | 4 ++
drivers/video/Kconfig | 4 ++
drivers/video/Makefile | 1 +
drivers/video/fbdev/Kconfig | 37 +++++++++++++++++++
drivers/video/fbdev/arkfb.c | 6 +++
drivers/video/fbdev/asiliantfb.c | 5 +++
drivers/video/fbdev/aty/aty128fb.c | 6 +++
drivers/video/fbdev/aty/atyfb_base.c | 6 +++
drivers/video/fbdev/aty/radeon_base.c | 6 +++
drivers/video/fbdev/carminefb.c | 5 +++
drivers/video/fbdev/chipsfb.c | 5 +++
drivers/video/fbdev/cirrusfb.c | 6 +++
drivers/video/fbdev/cyber2000fb.c | 6 +++
drivers/video/fbdev/geode/Kconfig | 3 ++
drivers/video/fbdev/geode/gx1fb_core.c | 7 ++++
drivers/video/fbdev/geode/gxfb_core.c | 7 ++++
drivers/video/fbdev/geode/lxfb_core.c | 7 ++++
drivers/video/fbdev/gxt4500.c | 5 +++
drivers/video/fbdev/hyperv_fb.c | 5 +++
drivers/video/fbdev/i740fb.c | 6 +++
drivers/video/fbdev/i810/i810_main.c | 8 ++++
drivers/video/fbdev/imsttfb.c | 7 ++++
drivers/video/fbdev/intelfb/intelfbdrv.c | 5 +++
drivers/video/fbdev/kyro/fbdev.c | 6 +++
drivers/video/fbdev/matrox/matroxfb_base.c | 5 +++
drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 5 +++
drivers/video/fbdev/neofb.c | 6 +++
drivers/video/fbdev/nvidia/nvidia.c | 7 ++++
drivers/video/fbdev/pm2fb.c | 6 +++
drivers/video/fbdev/pm3fb.c | 6 +++
drivers/video/fbdev/pvr2fb.c | 7 ++++
drivers/video/fbdev/riva/fbdev.c | 7 ++++
drivers/video/fbdev/s3fb.c | 6 +++
drivers/video/fbdev/savage/savagefb_driver.c | 5 +++
drivers/video/fbdev/sis/sis_main.c | 7 ++++
drivers/video/fbdev/skeletonfb.c | 7 ++++
drivers/video/fbdev/sm712fb.c | 5 +++
drivers/video/fbdev/sstfb.c | 4 ++
drivers/video/fbdev/sunxvr2500.c | 5 +++
drivers/video/fbdev/sunxvr500.c | 5 +++
drivers/video/fbdev/tdfxfb.c | 6 +++
drivers/video/fbdev/tgafb.c | 6 +++
drivers/video/fbdev/tridentfb.c | 6 +++
drivers/video/fbdev/vermilion/vermilion.c | 7 ++++
drivers/video/fbdev/via/via-core.c | 5 +++
drivers/video/fbdev/vt8623fb.c | 6 +++
.../drm/drm_nomodeset.c => video/nomodeset.c} | 12 +++---
include/drm/drm_drv.h | 8 +++-
include/video/nomodeset.h | 8 ++++
54 files changed, 319 insertions(+), 14 deletions(-)
rename drivers/{gpu/drm/drm_nomodeset.c => video/nomodeset.c} (63%)
create mode 100644 include/video/nomodeset.h
base-commit: 3aa97a74d622aa26fe79cf4bd819b6a4fd176e90
--
2.38.0
next reply other threads:[~2022-11-07 10:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 10:49 Thomas Zimmermann [this message]
2022-11-07 10:49 ` [PATCH 1/2] drm: Move nomodeset kernel parameter to drivers/video Thomas Zimmermann
2022-11-11 9:28 ` Javier Martinez Canillas
2022-11-11 12:37 ` Thomas Zimmermann
2022-11-11 13:06 ` Thomas Zimmermann
2022-11-07 10:49 ` [PATCH 2/2] fbdev: Add support for the nomodeset kernel parameter Thomas Zimmermann
2022-11-07 13:57 ` Helge Deller
2022-11-07 15:30 ` Thomas Zimmermann
2022-11-07 20:46 ` Helge Deller
2022-11-08 8:16 ` Thomas Zimmermann
2022-11-11 9:49 ` Javier Martinez Canillas
2022-11-11 10:49 ` Helge Deller
2022-11-11 11:42 ` Thomas Zimmermann
2022-11-11 13:27 ` Helge Deller
2022-11-11 9:42 ` Javier Martinez Canillas
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