On 1/31/20 6:03 PM, Thierry Reding wrote: > On Fri, Jan 31, 2020 at 03:29:52PM +0100, Hans Verkuil wrote: >> 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? > > linux-next and mainline are currently regressing on Tegra210 (and some > Tegra124) boards. I just sent out a series that fixes the regression for > me: > > http://patchwork.ozlabs.org/project/linux-tegra/list/?series=156215 > > Please test if this works for you. If so, I'll send this to Dave as soon > as possible. Tested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Thank you, now it boots on mainline + this series + the new VI/CSI driver. Regards, Hans > > Thierry >