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drm/msm: reset devfreq freq_table/max_state before devfreq_add_device 

These never get set back to 0 when probing fails, so an attempt to probe
again results in broken behavior. Fix the problem by setting thse to zero
before they are used.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jonathan Marek 2020-07-13 18:53:41 -04:00 committed by Rob Clark
parent 17e822f759
commit 0ded520b18
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/msm/msm_gpu.c
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@ -93,7 +93,11 @@ static void msm_devfreq_init(struct msm_gpu *gpu)
/*
* Don't set the freq_table or max_state and let devfreq build the table
* from OPP
* After a deferred probe, these may have be left to non-zero values,
* so set them back to zero before creating the devfreq device
*/
msm_devfreq_profile.freq_table = NULL;
msm_devfreq_profile.max_state = 0;
gpu->devfreq.devfreq = devm_devfreq_add_device(&gpu->pdev->dev,
&msm_devfreq_profile, DEVFREQ_GOV_SIMPLE_ONDEMAND,