linux-kernel - [PATCH AUTOSEL 6.4 09/11] drm/amdkfd: ignore crat by default

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Message-Id: <20230822113553.3551206-9-sashal@kernel.org>
Date:   Tue, 22 Aug 2023 07:35:51 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Alex Deucher <alexander.deucher@....com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Christian König <christian.koenig@....com>,
        Mike Lothian <mike@...eburn.co.uk>,
        Sasha Levin <sashal@...nel.org>, Xinhui.Pan@....com,
        airlied@...il.com, daniel@...ll.ch, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.4 09/11] drm/amdkfd: ignore crat by default

From: Alex Deucher <alexander.deucher@....com>

[ Upstream commit a6dea2d64ff92851e68cd4e20a35f6534286e016 ]

We are dropping the IOMMUv2 path, so no need to enable this.
It's often buggy on consumer platforms anyway.

Reviewed-by: Felix Kuehling <Felix.Kuehling@....com>
Acked-by: Christian König <christian.koenig@....com>
Tested-by: Mike Lothian <mike@...eburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 475e470273540..ee0cc35d68a84 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1543,11 +1543,7 @@ static bool kfd_ignore_crat(void)
 	if (ignore_crat)
 		return true;
 
-#ifndef KFD_SUPPORT_IOMMU_V2
 	ret = true;
-#else
-	ret = false;
-#endif
 
 	return ret;
 }
-- 
2.40.1