Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 372/575] drm/amdgpu/gmc6: fix DMA mask from 44 to 40 bits | Date | Mon, 15 Nov 2021 18:01:37 +0100 |
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From: Alex Deucher <alexander.deucher@amd.com>
[ 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> --- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 4 ++-- 1 file 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 95a9117e95640..861d0cc45fc10 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -842,12 +842,12 @@ 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, "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) { -- 2.33.0
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