Commit 651d4a0f authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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



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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220615174851.20658-2-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent b8fec440

drivers/gpu/drm/i915/display/intel_display.c

+2 −2
Original line number Diff line number Diff line
@@ -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)