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authorAlex Deucher <alexander.deucher@amd.com>2021-10-27 20:26:19 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-17 11:48:40 +0300
commit63a3b1af04747b7a3e16e46f72f9f8327df0f227 (patch)
tree694e87d9d094601ca0eb2e7c855e5419dcdeb69e
parent9ca0d107428bd84b562cbcb7beec2f5303409837 (diff)
downloadlinux-63a3b1af04747b7a3e16e46f72f9f8327df0f227.tar.xz
drm/amdgpu/gmc6: fix DMA mask from 44 to 40 bits
[ Upstream commit 403475be6d8b122c3e6b8a47e075926d7299e5ef ] The DMA mask on SI parts is 40 bits not 44. Copy paste typo. Fixes: 244511f386ccb9 ("drm/amdgpu: simplify and cleanup setting the dma mask") Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1762 Acked-by: Christian König <christian.koenig@amd.com> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index 9fb1765e92d1..e9f5de35f795 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -863,12 +863,12 @@ static int gmc_v6_0_sw_init(void *handle)
adev->gmc.mc_mask = 0xffffffffffULL;
- r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
+ r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
if (r) {
dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
return r;
}
- adev->need_swiotlb = drm_need_swiotlb(44);
+ adev->need_swiotlb = drm_need_swiotlb(40);
r = gmc_v6_0_init_microcode(adev);
if (r) {