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drm/i915: Sanitize underrun reporting before turning off any pipes

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Make sure FIFO underrun reporting is flagged as disabled very
early during the state readout so that we don't get any
spurious FIFO underruns reports from intel_crtc_disable_noatomic().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220615174851.20658-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-06-15 20:48:51 +03:00
parent b8fec44009
commit 651d4a0fc4
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_display.c
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@ -9962,8 +9962,6 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc,
if (crtc_state->hw.active && !intel_crtc_has_encoders(crtc) &&
!intel_crtc_is_bigjoiner_slave(crtc_state))
intel_crtc_disable_noatomic(crtc, ctx);
intel_sanitize_fifo_underrun_reporting(crtc_state);
}
static bool has_bogus_dpll_config(const struct intel_crtc_state *crtc_state)
@ -10363,6 +10361,8 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
intel_sanitize_fifo_underrun_reporting(crtc_state);
drm_crtc_vblank_reset(&crtc->base);
if (crtc_state->hw.active)