From patchwork Thu Jun 29 11:45:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13297022 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8CBF6EB64DC for ; Thu, 29 Jun 2023 12:20:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xWqMsRcz06e5FbGOvVisU05y5e6rUFM6biBe/b7Ei24=; b=S2LPGdE9TBgCZL TZ6bki2QdtcOEPs28C+Gqiglvbuc8gRIs7Qff80H27tWtIQJLTbKHdQUPhJuNN/atkNzpjEuxf6af 0uPGRFRGRfF4l14U1K4KXPst8PeR13Q1Q66VanEHXrPvp/iq243vd7n4jVp+QpKkE9ZMPXMtDDeWQ CkiGLIOPSDzw1u+4zM+tLG9l8bwdxeGctzVs3wttGOkd9OLGAK+S8gIxyEQF4jKfOqyrSNIOoVlH/ 4iXya9Oj9b3B3vUQ90TU5AjSlisPipyLbMSwh5/SzFaUnuPaEie4q/A1SU+ewlsihXtJAKl+CCDiu xvfzCkv7v32NNMlBwIrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qEqdJ-0013BT-3B; Thu, 29 Jun 2023 12:20:21 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qEqcz-0012pL-1n; Thu, 29 Jun 2023 12:20:06 +0000 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1C0E72186B; Thu, 29 Jun 2023 12:20:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1688041200; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cQ3EDeCSnwNHCvqI9o+8mLXg+vNxeu9dqjNgbn6vW64=; b=d/ONtzMHBHfhPFGJZXFbwxLHKekEj3Ck140ZBA9jozx6NZ9IQncD0ogM4FlYnbVbwD45G1 SJ8ei5BmHWMBBnBkm9jXuvlD6yHYAuy3e3PYj4Jw61gdgEKEw5UzbK+mo0r3LVmeUysWir EVI14bZZuCFygATwSv7zxT0YU4yItG4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1688041200; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cQ3EDeCSnwNHCvqI9o+8mLXg+vNxeu9dqjNgbn6vW64=; b=f3OsHAg+MvgJYkBzRW/rb3tMUgPoqd73LlNMm0j7gkGvTcrmNDsm3dmRC0NYT1egdnRYUJ PNHfPSmv46ciy1AA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 61E3213A43; Thu, 29 Jun 2023 12:19:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id wFf0Fu92nWRlVAAAMHmgww (envelope-from ); Thu, 29 Jun 2023 12:19:59 +0000 From: Thomas Zimmermann To: arnd@arndb.de, deller@gmx.de, daniel@ffwll.ch, airlied@gmail.com Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-arch@vger.kernel.org, Thomas Zimmermann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Kees Cook , "Paul E. McKenney" , Peter Zijlstra , Andrew Morton , Frederic Weisbecker , Nicholas Piggin , Ard Biesheuvel , Sami Tolvanen , Juerg Haefliger Subject: [PATCH 07/12] arch/x86: Declare edid_info in Date: Thu, 29 Jun 2023 13:45:46 +0200 Message-ID: <20230629121952.10559-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230629121952.10559-1-tzimmermann@suse.de> References: <20230629121952.10559-1-tzimmermann@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230629_052002_094149_59AA55A7 X-CRM114-Status: GOOD ( 15.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The global variable edid_info contains the firmware's EDID information as an extension to the regular screen_info on x86. Therefore move it to . Add the Kconfig token ARCH_HAS_EDID_INFO to guard against access on architectures that don't provide edid_info. Select it on x86. Signed-off-by: Thomas Zimmermann Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: Helge Deller Cc: Arnd Bergmann Cc: Kees Cook Cc: "Paul E. McKenney" Cc: Peter Zijlstra Cc: Andrew Morton Cc: Frederic Weisbecker Cc: Nicholas Piggin Cc: Ard Biesheuvel Cc: Sami Tolvanen Cc: Juerg Haefliger --- arch/Kconfig | 6 ++++++ arch/x86/Kconfig | 1 + drivers/video/Kconfig | 3 --- include/asm-generic/screen_info.h | 6 ++++++ include/video/edid.h | 3 --- 5 files changed, 13 insertions(+), 6 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 2f58293fd7bcb..ee9866e4df2b0 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1466,6 +1466,12 @@ config ARCH_HAS_NONLEAF_PMD_YOUNG address translations. Page table walkers that clear the accessed bit may use this capability to reduce their search space. +config ARCH_HAS_EDID_INFO + bool + help + Selected by architectures that provide a global instance of + edid_info. + config ARCH_HAS_SCREEN_INFO bool help diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d7c2bf4ee403d..ee81855116be7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -76,6 +76,7 @@ config X86 select ARCH_HAS_DEBUG_VM_PGTABLE if !X86_PAE select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_EARLY_DEBUG if KGDB + select ARCH_HAS_EDID_INFO select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FAST_MULTIPLIER select ARCH_HAS_FORTIFY_SOURCE diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index d4a72bea56be0..8b2b9ac37c3df 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -21,9 +21,6 @@ config STI_CORE config VIDEO_CMDLINE bool -config ARCH_HAS_SCREEN_INFO - bool - config VIDEO_NOMODESET bool default n diff --git a/include/asm-generic/screen_info.h b/include/asm-generic/screen_info.h index 6fd0e50fabfcd..5efc99c296b40 100644 --- a/include/asm-generic/screen_info.h +++ b/include/asm-generic/screen_info.h @@ -5,6 +5,12 @@ #include +#include