[PATCH] drm/amdgpu: enable swiotlb for gmc 10.0

[Deucher, Alexander]

[Public]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

Looks like gmc11 is missing this too.  Care to send a patch for that as well?

Alex

________________________________
From: Liu, Aaron <Aaron.Liu at amd.com>
Sent: Thursday, July 21, 2022 10:22 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Huang, Ray <Ray.Huang at amd.com>; Liu, Aaron <Aaron.Liu at amd.com>
Subject: [PATCH] drm/amdgpu: enable swiotlb for gmc 10.0

Enable swiotlb for gmc 10.0.

Signed-off-by: Aaron Liu <aaron.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 6470290aaf7d..a1a98c7fe8e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -967,6 +967,8 @@ static int gmc_v10_0_sw_init(void *handle)
                 return r;
         }

+       adev->need_swiotlb = drm_need_swiotlb(44);
+
         r = gmc_v10_0_mc_init(adev);
         if (r)
                 return r;
--
2.37.0

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