drm/v3d: Dump V3D error debug registers in debugfs, and one at reset.

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Looking at a hang recently, I noticed these registers that might tell
me if something obvious was wrong.  They didn't help in this case, but
keep it around for the future.

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190419001014.23579-3-eric@anholt.net
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

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This commit is contained in:

Eric Anholt 2019-04-18 17:10:13 -07:00

parent 091d628317

commit 1ba9d7cbc4

3 changed files with 46 additions and 1 deletions

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5

drivers/gpu/drm/v3d/v3d_debugfs.c

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4

drivers/gpu/drm/v3d/v3d_gem.c

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38

drivers/gpu/drm/v3d/v3d_regs.h

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