[PATCH v2 5/5] libcamera: software_isp: Allow using dma-buffers from /dev/udmabuf
Hans de Goede
hdegoede at redhat.com
Thu May 30 19:16:00 CEST 2024
Allow the DmaBufAllocator used by the software ISP to use memfd() +
/dev/udmabuf for the software ISP destination buffers.
This is useful on Linux distributions where normal users are not allowed
to access /dev/dma_heap/* while they are allowed to access /dev/udmabuf.
Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
src/libcamera/software_isp/software_isp.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp
index b5eab670..8535db90 100644
--- a/src/libcamera/software_isp/software_isp.cpp
+++ b/src/libcamera/software_isp/software_isp.cpp
@@ -66,7 +66,8 @@ SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor)
: debayerParams_{ DebayerParams::kGain10, DebayerParams::kGain10,
DebayerParams::kGain10, 0.5f, 0 },
dmaHeap_(DmaBufAllocator::DmaBufAllocatorFlag::CmaHeap |
- DmaBufAllocator::DmaBufAllocatorFlag::SystemHeap)
+ DmaBufAllocator::DmaBufAllocatorFlag::SystemHeap |
+ DmaBufAllocator::DmaBufAllocatorFlag::UDmaBuf)
{
if (!dmaHeap_.isValid()) {
LOG(SoftwareIsp, Error) << "Failed to create DmaBufAllocator object";
--
2.45.1
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