linux-kernel - [PATCH AUTOSEL 4.14 2/3] efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L

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Message-Id: <20230401014454.3357487-2-sashal@kernel.org>
Date:   Fri, 31 Mar 2023 21:44:53 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Sasha Levin <sashal@...nel.org>, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org
Subject: [PATCH AUTOSEL 4.14 2/3] efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit 5ed213dd64681f84a01ceaa82fb336cf7d59ddcf ]

Another Lenovo convertable which reports a landscape resolution of
1920x1200 with a pitch of (1920 * 4) bytes, while the actual framebuffer
has a resolution of 1200x1920 with a pitch of (1200 * 4) bytes.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/x86/kernel/sysfb_efi.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c
index dd8d7636c5420..5bc0fedb33420 100644
--- a/arch/x86/kernel/sysfb_efi.c
+++ b/arch/x86/kernel/sysfb_efi.c
@@ -273,6 +273,14 @@ static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = {
 					"IdeaPad Duet 3 10IGL5"),
 		},
 	},
+	{
+		/* Lenovo Yoga Book X91F / X91L */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			/* Non exact match to match F + L versions */
+			DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"),
+		},
+	},
 	{},
 };
 
-- 
2.39.2