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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Takashi Iwai <tiwai@suse.de>,
        Joerg Roedel <jroedel@suse.de>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 109/125] iommu/amd: Apply the same IVRS IOAPIC workaround to Acer Aspire A315-41
Date:   Mon, 11 Nov 2019 19:29:08 +0100
Message-Id: <20191111181454.410104668@linuxfoundation.org>
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From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit ad3e8da2d422c63c13819a53d3c5ea9312cc0b9d ]

Acer Aspire A315-41 requires the very same workaround as the existing
quirk for Dell Latitude 5495.  Add the new entry for that.

BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1137799
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd_iommu_quirks.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/iommu/amd_iommu_quirks.c b/drivers/iommu/amd_iommu_quirks.c
index c235f79b7a200..5120ce4fdce32 100644
--- a/drivers/iommu/amd_iommu_quirks.c
+++ b/drivers/iommu/amd_iommu_quirks.c
@@ -73,6 +73,19 @@ static const struct dmi_system_id ivrs_quirks[] __initconst = {
 		},
 		.driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495],
 	},
+	{
+		/*
+		 * Acer Aspire A315-41 requires the very same workaround as
+		 * Dell Latitude 5495
+		 */
+		.callback = ivrs_ioapic_quirk_cb,
+		.ident = "Acer Aspire A315-41",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-41"),
+		},
+		.driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495],
+	},
 	{
 		.callback = ivrs_ioapic_quirk_cb,
 		.ident = "Lenovo ideapad 330S-15ARR",
-- 
2.20.1