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Thu, 25 Jun 2026 06:57:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id lTB+A1jRPGo1YgAAD6G6ig (envelope-from ); Thu, 25 Jun 2026 06:57:28 +0000 From: Thomas Zimmermann To: javierm@redhat.com, julianbraha@gmail.com, sima@ffwll.ch, airlied@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, sashiko-reviews@lists.linux.dev, Thomas Zimmermann Subject: [PATCH v2] firmware: sysfb: Mark CONFIG_SYSFB_SIMPLEFB as deprecated Date: Thu, 25 Jun 2026 08:57:04 +0200 Message-ID: <20260625065724.15794-1-tzimmermann@suse.de> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Rspamd-Action: no action X-Spam-Level: X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_TO(0.00)[redhat.com,gmail.com,ffwll.ch]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:email,suse.de:dkim,suse.de:mid]; RCPT_COUNT_SEVEN(0.00)[9]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: 4ECFC6D657 X-Spam-Score: -3.01 Mark CONFIG_SYSFB_SIMPLEFB as deprecated. Enabling it allows to run simpledrm and simplefb on EFI/VESA framebuffers. Doing this is discouraged in favor of using efidrm and vesadrm. v2: - resolve conflicting help texts (Sashiko) Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/firmware/Kconfig | 32 ++++++++++---------------------- drivers/gpu/drm/sysfb/Kconfig | 7 ++----- 2 files changed, 12 insertions(+), 27 deletions(-) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index bbd2155d8483..637e3bb5549e 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -184,32 +184,20 @@ config SYSFB select SCREEN_INFO config SYSFB_SIMPLEFB - bool "Mark VGA/VBE/EFI FB as generic system framebuffer" + bool "Mark VGA/VBE/EFI FB as generic system framebuffer (deprecated)" depends on X86 || EFI select SYSFB help - Firmwares often provide initial graphics framebuffers so the BIOS, + Firmware often provides initial graphics framebuffers so the BIOS, bootloader or kernel can show basic video-output during boot for - user-guidance and debugging. Historically, x86 used the VESA BIOS - Extensions and EFI-framebuffers for this, which are mostly limited - to x86 BIOS or EFI systems. - This option, if enabled, marks VGA/VBE/EFI framebuffers as generic - framebuffers so the new generic system-framebuffer drivers can be - used instead. If the framebuffer is not compatible with the generic - modes, it is advertised as fallback platform framebuffer so legacy - drivers like efifb, vesafb and uvesafb can pick it up. - If this option is not selected, all system framebuffers are always - marked as fallback platform framebuffers as usual. - - Note: Legacy fbdev drivers, including vesafb, efifb, uvesafb, will - not be able to pick up generic system framebuffers if this option - is selected. You are highly encouraged to enable simplefb as - replacement if you select this option. simplefb can correctly deal - with generic system framebuffers. But you should still keep vesafb - and others enabled as fallback if a system framebuffer is - incompatible with simplefb. - - If unsure, say Y. + user-guidance and debugging. + + This option, if enabled, marks VBE/EFI framebuffers as system + framebuffers so the generic simpledrm driver can be used. + + This option is deprecated and will be removed in the near future. If + unsure, say N and select efidrm, vesadrm instead. The dedicated DRM + drivers provide the same functionality plus additional features. config TH1520_AON_PROTOCOL tristate "Always-On firmware protocol" diff --git a/drivers/gpu/drm/sysfb/Kconfig b/drivers/gpu/drm/sysfb/Kconfig index 2559ead6cf1f..f7e48178885e 100644 --- a/drivers/gpu/drm/sysfb/Kconfig +++ b/drivers/gpu/drm/sysfb/Kconfig @@ -67,11 +67,8 @@ config DRM_SIMPLEDRM This driver assumes that the display hardware has been initialized by the firmware or bootloader before the kernel boots. Scanout - buffer, size, and display format must be provided via device tree, - UEFI, VESA, etc. - - On x86 BIOS or UEFI systems, you should also select SYSFB_SIMPLEFB - to use UEFI and VESA framebuffers. + buffer, size, and display format must be provided via device tree's + simple-framebuffer node. config DRM_VESADRM tristate "VESA framebuffer driver" -- 2.54.0