[PATCH 0/5] omapdrm: fences and zpos

Tomi Valkeinen tomi.valkeinen at ti.com
Wed Apr 5 06:52:36 UTC 2017


On 03/01/17 14:06, Tomi Valkeinen wrote:

> I got this with your series. AM5 EVM, dual display, I run "kmstest --flip" and then
> exit by pressing enter, which is when I see the warning. It happens only sometimes,
> but having lots of cpu load (I used "stress -c 4") makes the driver spam the warning.
> 
> [   67.207223] ------------[ cut here ]------------
> [   67.211937] WARNING: CPU: 1 PID: 324 at drivers/gpu/drm/omapdrm/omap_gem.c:1085 omap_gem_free_object+0x270/0x2d4 [omapdrm]
> [   67.223138] Modules linked in: omapdrm drm_kms_helper drm panel_dsi_cm panel_dpi connector_analog_tv connector_dvi connector_hdmi encoder_tp
> d12s015 encoder_tfp410 omapdss cfbfillrect cfbimgblt cfbcopyarea [last unloaded: omapdss]
> [   67.243953] CPU: 1 PID: 324 Comm: kmstest Not tainted 4.9.0-rc8-00163-g55f4a6c2d775 #135

After rebasing to latest drm-next, I no longer see this, but the kms++
test script hangs when exiting it. And then I get BUGs from the kernel.
Do you know if all the dependencies are in drm-next?

 Tomi

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