Thedma_heap(/dev/dma_heap) allows apps to allocate generic DMABufs that can be directly imported to GL / VK or even KMS (if certain conditions are met - such as using the CMA / contiguous allocations) and was inspired by Androids ION. One prominent user of it is the upcoming libcamer...
Description Hi, root@DietPi:~# ls /dev/apex_0 ls: cannot access '/dev/apex_0': No such file or directory I found similar issues already discussed, like here, but disabling "Secure Boot" doesn't help in my case. dmesg: [ 0.000000] microco...
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 36180K/63136K available (6144K kernel code, 343K rwdata, 1816K rodata, 1024K init, 253K bss, 10572K reserved, 16384K cma-reserved, 0K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, ...
[ 0.000000] Reserved memory: created CMA memory pool at 0x0000000080000000, size 896 MiB[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool[ 0.000000] NUMA: No NUMA configuration found[ 0.000000] NUMA: Faking a node at [mem 0x0000000040000...
[ 1.761320] Reserved memory: created CMA memory pool at 0x00000001ff800000, size 8 MiB [ 1.762023] OF: reserved mem: initialized node cma, compatible id shared-dma-pool [ 1.892060] Zone ranges: [ 1.892289] DMA [mem 0x0000000000200000-0x00000000ffffffff] ...
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off[ 0.000000] Memory: 1026132K/1048576K available (9216K kernel code, 748K rwdata, 1820K rodata, 1024K init, 176K bss, 22444K reserved, 0K cma-reserved, 262144K highmem)[ 0.000000] SLUB:...
CONFIG_DMADEVICES=y # CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # CONFIG_DMA_ENGINE=y CONFIG_DMA_VIRTUAL_CHANNELS=y CONFIG_DMA_OF=y # CONFIG_ALTERA_MSGDMA is not set # CONFIG_DW_AXI_DMAC is not set # CONFIG_FSL_EDMA is not set # CONFIG_FSL_QDMA is not set # CONFIG_...
[ 0.000000][ T0] Reserved memory: bypass linux,cma node, using cmdline CMA params instead [ 0.000000][ T0] OF: reserved mem: node linux,cma compatible matching fail [ 0.000000][ T0] Reserved memory: created DMA memory pool at 0x0000000094300000, size 1 MiB ...
[ 0.000000] cma: Reserved 32 MiB at 0x00000000f9c00000 [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000080000000-0x000000237fffffff] [ 0.000000] NUMA: NODE_DATA [mem 0x237e3e6b00-0x237e3e8fff] [ 0.000000] Zone ranges: [ 0.000000] DMA ...
[ 0.019882] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.024636] Memory: 2126148K/2201068K available (14339K kernel code, 2399K rwdata, 4960K rodata, 2724K init, 4980K bss, 74920K reserved, 0K cma-reserved) [ 0.024653] random: get_random_u64 called from kmem_cache...