Re: [PATCH 0/7] Add support for DMA2D of STMicroelectronics STM32 SoC series
From: Dillon Min <hidden>
Date: 2021-06-17 11:02:09
Also in:
linux-clk, linux-devicetree, linux-media, lkml
Hi Hans, On Thu, Jun 17, 2021 at 5:55 PM Hans Verkuil [off-list ref] wrote:
Hi Dillon, Sorry for the delay in reviewing this series. On 20/05/2021 13:05, dillon.minfei@gmail.com wrote:quoted
From: Dillon Min <redacted> This patchset introduces a basic support for DMA2D Interface of STMicroelectronics STM32 SoC series. This first basic support implements R2M, M2M, M2M_PFC M2M_BLEND support will be added later on. This has been tested on STM32469-DISCO board. The commit based on kernel(master): c3d0e3fd41b7f0f5d5d5b6022ab7e813f04ea727 Note for v4l2-compliance tool on nu-mmu platform: I add two change based on v4l-utils since commit: f0c7e3d71eaf4182bae7eb3ee0e43b4eeb047ea9 - change fork() to vfork() in v4l2-test-controls.cpp since no-mmu platform don't include fork().I don't think you can use vfork here. What is better is that if fork is not available, this test is just skipped.
Okay, try to find a solution for the no-mmu platform, but no progress. Anyway, if you update v4l2-utils to be compatible with the no-mmu platform, please let me know, i will retest this case, thanks.
quoted
- bypass VIDIOC_QUERYCAP nullptr check I'm not sure if this is the bug from my cross compile tool which created by buildroot. user area's nullptr can't be detected by kernel side, i was try to add access_ok() in v4l2-ioctl.c, but no help If this case must be fixed, i will continue to debug it. the error log: ... fail: v4l2-compliance.cpp(623): doioctl(node, VIDIOC_QUERYCAP, nullptr) != EFAULT ..Hmm, there is no mmu, so anything goes, really. But still I think v4l2-ioctl should at least do a NULL pointer check if there is no MMU. That seems reasonable to me. I wonder how other subsytems do that.
Okay, indeed, the application should check the NULL pointer. thanks. I will continue to debug on this case. Thanks Best Regards Dillon
Regards, Hansquoted
My changes on v4l2-compliance:diff --git a/utils/v4l2-compliance/v4l2-compliance.cppb/utils/v4l2-compliance/v4l2-compliance.cpp index 90a5036..a25fe4f 100644--- a/utils/v4l2-compliance/v4l2-compliance.cpp +++ b/utils/v4l2-compliance/v4l2-compliance.cpp@@ -620,7 +620,7 @@ static int testCap(struct node *node) memset(&vcap, 0xff, sizeof(vcap)); // Must always be there - fail_on_test(doioctl(node, VIDIOC_QUERYCAP, nullptr) != EFAULT); + //fail_on_test(doioctl(node, VIDIOC_QUERYCAP, nullptr) != EFAULT); fail_on_test(doioctl(node, VIDIOC_QUERYCAP, &vcap)); fail_on_test(check_ustring(vcap.driver, sizeof(vcap.driver))); fail_on_test(check_ustring(vcap.card, sizeof(vcap.card)));with v4l2-compliance test log (with above modification): since the stm32f469-disco ram limitation, there are 25 failed on dma_alloc_coherent() Really appreciate if someone can help to test this patch on the STM32429I-EVAL evaluation board (https://www.st.com/en/evaluation-tools/stm32429i-eval.html) 8M x 32-bit SDRAM, 1M x 16-bit SRAM and 8M x 16-bit NOR Flash / # free total used free shared buffers cached Mem: 15604 6104 9500 0 0 2488 -/+ buffers/cache: 3616 11988 / # v4l2-compliance -s -f -d /dev/video0 & [1] 45 v4l2-compliance -s -f -d /dev/video0 / # v4l2-compliance 1.21.0-4782, 32 bits, 32-bit time_t v4l2-compliance SHA: f0c7e3d71eaf 2021-05-06 10:57:09 Compliance test for stm-dma2d device /dev/video0: Driver Info: Driver name : stm-dma2d Card type : stm-dma2d Bus info : platform:stm-dma2d Driver version : 5.13.0 Capabilities : 0x84208000 Video Memory-to-Memory Streaming Extended Pix Format Device Capabilities Device Caps : 0x04208000 Video Memory-to-Memory Streaming Extended Pix Format Required ioctls: test VIDIOC_QUERYCAP: OK test invalid ioctls: OK Allow for multiple opens: test second /dev/video0 open: OK test VIDIOC_QUERYCAP: OK test VIDIOC_G/S_PRIORITY: OK test for unlimited opens: OK Debug ioctls: test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported) test VIDIOC_LOG_STATUS: OK (Not Supported) Input ioctls: test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported) test VIDIOC_G/S_FREQUENCY: OK (Not Supported) test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) test VIDIOC_ENUMAUDIO: OK (Not Supported) test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) test VIDIOC_G/S_AUDIO: OK (Not Supported) Inputs: 0 Audio Inputs: 0 Tuners: 0 Output ioctls: test VIDIOC_G/S_MODULATOR: OK (Not Supported) test VIDIOC_G/S_FREQUENCY: OK (Not Supported) test VIDIOC_ENUMAUDOUT: OK (Not Supported) test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) test VIDIOC_G/S_AUDOUT: OK (Not Supported) Outputs: 0 Audio Outputs: 0 Modulators: 0 Input/Output configuration ioctls: test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) test VIDIOC_G/S_EDID: OK (Not Supported) Control ioctls: test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK test VIDIOC_QUERYCTRL: OK test VIDIOC_G/S_CTRL: OK test VIDIOC_G/S/TRY_EXT_CTRLS: OK test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK test VIDIOC[G/S_JP 143.242702] stm-dma2d 4002b000.dma2d: Format not supported: , use the default. EGCOMP: OK (Not Supported) St[ndard Controls: 2 Private Contro s: 2 Fo m1t ioctls: test VIDIOC_4NUM_FMT/FRAMESIZES/FRAMEINTERV3LS: O.0m test VIDIOC_G5S_PARM: 3K (Not 555] stm-dma2d 4002b000.dma2d: Format not supported: , use the default. Supported) test VIDIOC_G_FBUF: OK (Not Supported) 143.280786] stm-dma2d 4002b000.dma2d: Format not supported: , use the default. test VIDIOC_TRY_FMT: OK [ 143.293759] stm-dma2d 4002b000.dma2d: Format not supported: , use the default. test VIDIOC_S_FMT: OK test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) test Cropping: OK (Not Supported) test Composing: OK (Not Supported) test Scaling: OK Codec ioctls: test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) test VIDIOC_G_ENC_INDEX: OK (Not Supported) test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) Buffer ioctls: test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK test VIDIOC_EXPBUF: OK test Requests: OK (Not Supported) Test input 0: Streaming ioctls: test read/write: OK (Not Supported) test blocking wait: OK Video Capture: Captured 58 buffers test MMAP (no poll): OK Video Capture: Captured 58 buffers test MMAP (select): OK Video Capture: Captured 58 buffers test MMAP (epoll): OK test USERPTR (no poll): OK (Not Supported) test USERPTR (select): OK (Not Supported) test DMABUF: Cannot test, specify --expbuf-device Stream using all formats: Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 1x1 -[ AR12 (16-bit ARGB 4-4-4-4) 1x1: OK 146.963829] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) BA24 (32-bit ARGB 8-8-8-8) 16383x6[535 -> BA 4 (32-bit ARGB 8-8-8 8) 11383x65545: FAIL 6.985202] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) BA24 (32[bit ARGB 8-8-8-8) 16383x65 35 1> RGB3 (24-bit RGB48-8-8) 16383x65535: FAI7 .008713] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) BA24 (32-bit ARG[ 8-8-8-8) 163 3x6 535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL 147.033896] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) BA24 (32-[it ARGB 8- -8-8) 16383x65535 -> AR15 (16-bit ARGB -5-515) 16383x65535: FAIL 47.058256] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK Video Capture: Captured 8 buffers BA24 (32-bit ARGB 8-8-8-8) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1[1: K 148.406686] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGB3 (24-bit RGB 8-8-8) 1[383x 5 35 -1 BA24 (32-b4t ARGB 888-8-8) 16383x65.35: FAIL 28566] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGB3 (24-bit RGB 8-8-8) 16383x65535[-> RGB3 (24 bit RGB 8-8-8) 16383 65535: FAIL 148.453973] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGB3 (24-bit RGB 8-8-8) 16383x65535 [> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL 148.477828] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGB3 (24-bit RGB 8[8-8) 16383x 5535 -> AR 5 (16-bit ARGB 1-514-58 16383x65535: FAIL .503495] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGB3 (24-bit RGB 8-8-8) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK Video Capture: Captured 8 buffers RGB3 (24-bit RGB 8-8-8) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK Video Capture: Captured 8 buffers 149.725823] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGBP (16-bit RGB 5-6-5) 1[383x65535 -> BA24 (32-bi ARGB 8 8-8-8) 16383x65535: FAIL 49.746860] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGBP (16-bit RGB 5-[-5) 16383x65535 -> RGB3 (24-b t RGB 8-8-8) 16383x65535: FAIL 49.772555] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGBP (16-bit R[B 5-6-5 1638 x65535 -> RGBP1(16-bit 4GB 596-5. 16383x67535: FAIL 330] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGBP (16-bit RGB 5-6-5) 16383x65535 ->[AR15 (1 -bit AR B 1-5-5-5) 11383x65535: 9IL .821301] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) RGBP (16-bit RGB 5-6-5) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK Video Capture: Captured 8 buffers RGBP (16-bit RGB 5-6-5) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 1x1 -[ AR1 (16-bit ARGB 4-4-4-4) 1x15 O0 .956666] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR15 (16-bit ARGB 1-[-5-5) 16 83x65535 -> BA24 (32-bit ARGB 8 8-8-8) 16383x15535: FAIL 50.977546] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR15 (16-bit AR[B 1-5-5-5) 16383x65535 -> R B3 ( 4-b1t RGB 8-8-8) 16383x65535:5FAIL 1.003061] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR15 (16-bit ARGB 1-5-5[5) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL 151.027900] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR15 (16-bit ARGB 1-5[5-5) 16383x65535 -> AR15 (16- it ARGB 1-5-5-5) 16383x65 15: F5IL 1.053781] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK Video Capture: Captured 8 buffers AR15 (16-bit ARGB 1-5-5-5) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 1x1 -> AR12 (16-bit A[GB 4-4-4 4) 1x1: OK 152.187325] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR12 (16-[ t A GB 4-4-4-4) 16383x65135 -> BA24 (32-bit ARGB 8-8-8-8) 16383x6553552.21;31mFAIL0[0m 8867] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR12 (16-bit ARGB 4-4[4-4 16383x6553 -> RGB3 (24-bit RGB18-8-8) 16383x65535: FAIL 52.234355] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: [ 1; 1mFAIL 152.258077] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR12 (16-bit ARGB 4-4-4[4) 16383x65535 -> R15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL 152.284054] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed fail: v4l2-test-buffers.cpp(1300): q.reqbufs(node, 2) AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK Video Capture: Captured 8 buffers AR12 (16-bit ARGB 4-4-4-4) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK Total for stm-dma2d device /dev/video0: 127, Succeeded: 102, Failed: 25, Warnings: 0 [1] Done v4l2-compliance -s -f -d /dev/video0 *** BLURB HERE *** Dillon Min (7): media: admin-guide: add stm32-dma2d description media: dt-bindings: media: add document for STM32 DMA2d bindings clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after kernel startup ARM: dts: stm32: Enable DMA2D support on STM32F429 MCU ARM: dts: stm32: Enable DMA2D on STM32F469-DISCO board media: v4l2-mem2mem: add v4l2_m2m_get_unmapped_area for no-mmu platform media: stm32-dma2d: STM32 DMA2D driver .../admin-guide/media/platform-cardlist.rst | 1 + .../devicetree/bindings/media/st,stm32-dma2d.yaml | 71 ++ arch/arm/boot/dts/stm32f429.dtsi | 10 + arch/arm/boot/dts/stm32f469-disco.dts | 4 + drivers/clk/clk-stm32f4.c | 7 +- drivers/media/platform/Kconfig | 9 + drivers/media/platform/Makefile | 1 + drivers/media/platform/stm32/Makefile | 2 + drivers/media/platform/stm32/dma2d/dma2d-hw.c | 143 ++++ drivers/media/platform/stm32/dma2d/dma2d-regs.h | 114 +++ drivers/media/platform/stm32/dma2d/dma2d.c | 791 +++++++++++++++++++++ drivers/media/platform/stm32/dma2d/dma2d.h | 132 ++++ drivers/media/v4l2-core/v4l2-mem2mem.c | 20 + include/media/v4l2-mem2mem.h | 4 + 14 files changed, 1305 insertions(+), 4 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml create mode 100644 drivers/media/platform/stm32/dma2d/dma2d-hw.c create mode 100644 drivers/media/platform/stm32/dma2d/dma2d-regs.h create mode 100644 drivers/media/platform/stm32/dma2d/dma2d.c create mode 100644 drivers/media/platform/stm32/dma2d/dma2d.h
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