From b41e82739c6898d066bcdf37c3ab22dd82da824b Mon Sep 17 00:00:00 2001
From: Aaron Liu <aaron.liu@amd.com>
Date: Mon, 25 Jul 2022 08:45:56 +0800
Subject: drm/amdgpu: enable swiotlb for gmc 11.0
Git-commit: 4c5aa594928f97593502a66d5a9075f5f5dd064b
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Enable swiotlb for gmc 11.0.
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index 503e40a90319..1471bfb9ae38 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -22,6 +22,9 @@
*/
#include <linux/firmware.h>
#include <linux/pci.h>
+
+#include <drm/drm_cache.h>
+
#include "amdgpu.h"
#include "amdgpu_atomfirmware.h"
#include "gmc_v11_0.h"
@@ -775,6 +778,8 @@ static int gmc_v11_0_sw_init(void *handle)
return r;
}
+ adev->need_swiotlb = drm_need_swiotlb(44);
+
r = gmc_v11_0_mc_init(adev);
if (r)
return r;
--
2.38.1