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37 lines
1.4 KiB
37 lines
1.4 KiB
From 559355f62291c332163dad1627a9f837d0df1dd8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
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Date: Wed, 20 Feb 2019 13:46:24 +0100
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Subject: [PATCH] drm/amdgpu: fix dma mask check in gmc_v6_0.c
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This got messed up by "drm: change func to better detect wether swiotlb
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is needed".
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Signed-off-by: Christian König <christian.koenig@amd.com>
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Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Reviewed-by: Michael D Labriola <michael.d.labriola@gmail.com>
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Link: https://patchwork.freedesktop.org/patch/287070/
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(cherry picked from commit 1fdafbd023793e754aa6ca73c877a375e83b8239)
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---
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drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
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index db406a35808f..fb8433958f85 100644
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--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
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+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
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@@ -880,7 +880,7 @@ static int gmc_v6_0_sw_init(void *handle)
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pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
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dev_warn(adev->dev, "amdgpu: No coherent DMA available.\n");
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}
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- adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
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+ adev->need_swiotlb = drm_need_swiotlb(dma_bits);
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r = gmc_v6_0_init_microcode(adev);
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if (r) {
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--
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2.17.2
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