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Message-Id: <20220418121207.074886389@linuxfoundation.org>
Date:   Mon, 18 Apr 2022 14:13:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Tomasz Moń <desowin@...il.com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.15 164/189] drm/amdgpu: Enable gfxoff quirk on MacBook Pro

From: Tomasz Moń <desowin@...il.com>

commit 4593c1b6d159f1e5c35c07a7f125e79e5a864302 upstream.

Enabling gfxoff quirk results in perfectly usable graphical user
interface on MacBook Pro (15-inch, 2019) with Radeon Pro Vega 20 4 GB.

Without the quirk, X server is completely unusable as every few seconds
there is gpu reset due to ring gfx timeout.

Signed-off-by: Tomasz Moń <desowin@...il.com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1272,6 +1272,8 @@ static const struct amdgpu_gfxoff_quirk
 	{ 0x1002, 0x15dd, 0x103c, 0x83e7, 0xd3 },
 	/* GFXOFF is unstable on C6 parts with a VBIOS 113-RAVEN-114 */
 	{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 },
+	/* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */
+	{ 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 },
 	{ 0, 0, 0, 0, 0 },
 };
 


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