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(parent: fed2a68) | patch
drm/msm: Turn off hardware clock gating before reading A5XX registers
authorJordan Crouse <jcrouse@codeaurora.org>
Thu, 27 Jul 2017 16:42:32 +0000 (10:42 -0600)
committerRob Clark <robdclark@gmail.com>
Tue, 1 Aug 2017 23:10:53 +0000 (19:10 -0400)
commitc6e9928ccd0cd238abe3ca02321d4681a9a6be95
tree5d02abbeb0ecf62523197f4f33dbd26da944c9c1tree | snapshot
parentfed2a68f411c1d7ba5730307f9e3cc380b17fb4bcommit | diff
drm/msm: Turn off hardware clock gating before reading A5XX registers

On A5XX GPU hardware clock gating needs to be turned off before
reading certain GPU registers via AHB. Turn off HWCG before calling
adreno_show() to safely dump all the registers without a system hang.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/msm/adreno/a5xx_gpu.c diff | blob | history
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