On 1/30/20 4:42 PM, Thierry Reding wrote: > On Thu, Jan 30, 2020 at 03:41:50PM +0100, Hans Verkuil wrote: >> Hi Sowjanya, >> >> On 1/28/20 7:23 PM, Sowjanya Komatineni wrote: >>> This series adds Tegra210 VI and CSI driver for built-in test pattern >>> generator (TPG) capture. >>> >>> Tegra210 supports max 6 channels on VI and 6 ports on CSI where each >>> CSI port is one-to-one mapped to VI channel for video capture. >>> >>> This series has TPG support only where it creates hard media links >>> between CSI subdevice and VI video device without device graphs. >>> >>> v4l2-compliance results are available below the patch diff. >>> >>> [v0]: Includes, >>> - Adds CSI TPG clock to Tegra210 clock driver >>> - Host1x video driver with VI and CSI clients. >>> - Support for Tegra210 only. >>> - VI CSI TPG support with hard media links in driver. >>> - Video formats supported by Tegra210 VI >>> - CSI TPG supported video formats >> >> I'm trying to compile this patch series using the media_tree master >> branch (https://git.linuxtv.org//media_tree.git), but it fails: >> >> drivers/staging/media/tegra/tegra-channel.c: In function ‘tegra_channel_queue_setup’: >> drivers/staging/media/tegra/tegra-channel.c:71:15: warning: unused variable ‘count’ [-Wunused-variable] >> 71 | unsigned int count = *nbuffers; >> | ^~~~~ >> drivers/staging/media/tegra/tegra-channel.c: In function ‘tegra_channel_init’: >> drivers/staging/media/tegra/tegra-channel.c:518:55: error: ‘struct host1x_client’ has no member named ‘host’ >> 518 | struct tegra_camera *cam = dev_get_drvdata(vi->client.host); >> | ^ >> make[4]: *** [scripts/Makefile.build:265: drivers/staging/media/tegra/tegra-channel.o] Error 1 >> make[4]: *** Waiting for unfinished jobs.... >> drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_tpg_graph_init’: >> drivers/staging/media/tegra/tegra-vi.c:157:55: error: ‘struct host1x_client’ has no member named ‘host’ >> 157 | struct tegra_camera *cam = dev_get_drvdata(vi->client.host); >> | ^ >> drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_init’: >> drivers/staging/media/tegra/tegra-csi.c: In function ‘tegra_csi_init’: >> drivers/staging/media/tegra/tegra-vi.c:213:51: error: ‘struct host1x_client’ has no member named ‘host’ >> 213 | struct tegra_camera *cam = dev_get_drvdata(client->host); >> | ^~ >> drivers/staging/media/tegra/tegra-csi.c:259:51: error: ‘struct host1x_client’ has no member named ‘host’ >> 259 | struct tegra_camera *cam = dev_get_drvdata(client->host); >> | ^~ >> drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_exit’: >> drivers/staging/media/tegra/tegra-vi.c:246:51: error: ‘struct host1x_client’ has no member named ‘host’ >> 246 | struct tegra_camera *cam = dev_get_drvdata(client->host); >> | ^~ >> drivers/staging/media/tegra/tegra-csi.c: In function ‘tegra_csi_exit’: >> drivers/staging/media/tegra/tegra-csi.c:286:51: error: ‘struct host1x_client’ has no member named ‘host’ >> 286 | struct tegra_camera *cam = dev_get_drvdata(client->host); >> | ^~ >> >> And indeed, struct host1x_client as defined in include/linux/host1x.h doesn't >> have a 'host' field. >> >> Does this series depend on another patch that's not yet in mainline? > > Sowjanya's been working on top of linux-next, so, yes, this patch > depends on a change that's been merged into the DRM tree for v5.6-rc1. > > Thierry > Is there a specific linux-next tag that works? I tried next-20200131 but that failed to boot. Same problem with the mainline repo since the host1x patches were merged yesterday. It compiles fine, but the boot just stops. Or am I missing some kernel config that is now important to have? Regards, Hans