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| author | Francois Buergisser <fbuergisser@chromium.org> | 2019-07-25 10:17:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 15:12:20 +0200 |
| commit | fa829a21cfdd7b01b0ae739034b3d54e0c2a405b (patch) | |
| tree | 9608715cbec29d2cd8c57fef012e1a08b1791d19 /drivers | |
| parent | 29ed55517b8b7dc313ff402e085aead4766ba134 (diff) | |
| download | linux-stable-fa829a21cfdd7b01b0ae739034b3d54e0c2a405b.tar.gz linux-stable-fa829a21cfdd7b01b0ae739034b3d54e0c2a405b.tar.bz2 linux-stable-fa829a21cfdd7b01b0ae739034b3d54e0c2a405b.zip | |
media: hantro: Set DMA max segment size
commit c3c3509b86810293df5c524ef61421d8affc8bf0 upstream.
The Hantro codec is typically used in platforms with an IOMMU,
so we need to set a proper DMA segment size. Devices without an
IOMMU will still fallback to default 64KiB segments.
Cc: stable@vger.kernel.org
Fixes: 775fec69008d3 ("media: add Rockchip VPU JPEG encoder driver")
Signed-off-by: Francois Buergisser <fbuergisser@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/media/hantro/hantro_drv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index c3665f0e87a2..46dcb46bb927 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -724,6 +724,7 @@ static int hantro_probe(struct platform_device *pdev) dev_err(vpu->dev, "Could not set DMA coherent mask.\n"); return ret; } + vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); for (i = 0; i < vpu->variant->num_irqs; i++) { const char *irq_name = vpu->variant->irqs[i].name; |