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authorHans de Goede <hdegoede@redhat.com>2024-06-03 13:12:59 +0200
committerKieran Bingham <kieran.bingham@ideasonboard.com>2024-06-04 16:19:33 +0100
commitd284ac2d593725248e074bf9cbee2c44e76c38bd (patch)
tree6607e6d45272f496fb1e2327a9b4398b3dfd682d
parentea4baaacc3250eadb929fcef59bb9ddefb012952 (diff)
libcamera: software_isp: Allow using dma-buffers from /dev/udmabuf
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. Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # Lenovo-x13s Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
-rw-r--r--src/libcamera/software_isp/software_isp.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp
index 034727c5..20fb6f48 100644
--- a/src/libcamera/software_isp/software_isp.cpp
+++ b/src/libcamera/software_isp/software_isp.cpp
@@ -67,7 +67,8 @@ LOG_DEFINE_CATEGORY(SoftwareIsp)
*/
SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor)
: dmaHeap_(DmaBufAllocator::DmaBufAllocatorFlag::CmaHeap |
- DmaBufAllocator::DmaBufAllocatorFlag::SystemHeap)
+ DmaBufAllocator::DmaBufAllocatorFlag::SystemHeap |
+ DmaBufAllocator::DmaBufAllocatorFlag::UDmaBuf)
{
/*
* debayerParams_ must be initialized because the initial value is used for