diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power_well.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c index 4a876fa815bd..48cac225a809 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c @@ -320,8 +320,8 @@ static void hsw_wait_for_power_well_disable(struct intel_display *display, { const struct i915_power_well_regs *regs = power_well->desc->ops->regs; int pw_idx = i915_power_well_instance(power_well)->hsw.idx; - bool disabled; u32 reqs; + int ret; /* * Bspec doesn't require waiting for PWs to get disabled, but still do @@ -332,12 +332,18 @@ static void hsw_wait_for_power_well_disable(struct intel_display *display, * Skip the wait in case any of the request bits are set and print a * diagnostic message. */ - wait_for((disabled = !(intel_de_read(display, regs->driver) & - HSW_PWR_WELL_CTL_STATE(pw_idx))) || - (reqs = hsw_power_well_requesters(display, regs, pw_idx)), 1); - if (disabled) + reqs = hsw_power_well_requesters(display, regs, pw_idx); + + ret = intel_de_wait_for_clear(display, regs->driver, + HSW_PWR_WELL_CTL_STATE(pw_idx), + reqs ? 0 : 1); + if (!ret) return; + /* Refresh requesters in case they popped up during the wait. */ + if (!reqs) + reqs = hsw_power_well_requesters(display, regs, pw_idx); + drm_dbg_kms(display->drm, "%s forced on (bios:%d driver:%d kvmr:%d debug:%d)\n", intel_power_well_name(power_well), |