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[HACK] drm/msm: Always report CTL status as started for MSM8998

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This register always appears to read 0 on <SDM845 generations so simply
ignore it to avoid refreshing at ~3 Hz as seen on OnePlus 5 with a
command-mode panel with the following spammed in dmesg every time the
screen refreshes:

  [drm:_dpu_encoder_phys_cmd_wait_for_ctl_start:660] [dpu error]enc31 intf1 ctl start interrupt wait failed
  [drm:dpu_kms_wait_for_commit_done:525] [dpu error]wait for commit done returned -22
  ...
This commit is contained in:
Jami Kettunen 2022-09-11 15:56:44 +03:00
parent 5cdf191d57
commit 37d1583665
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
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@ -98,7 +98,7 @@ static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx)
static inline bool dpu_hw_ctl_is_started(struct dpu_hw_ctl *ctx)
{
return !!(DPU_REG_READ(&ctx->hw, CTL_START) & BIT(0));
return true;
}
static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx)