Commit 30c35a4b authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/psr: Fix the delayed vblank w/a 



Fix the code to correctly determine whether delayed vblank
is used or not.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230127173044.24108-3-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJouni Högander <jouni.hogander@intel.com>
parent d34b4288

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

+2 −7
Original line number Diff line number Diff line
@@ -1178,13 +1178,8 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, 
	 */

	if (IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) ||

	    IS_DISPLAY_VER(dev_priv, 12, 13)) {

		u16 vtotal, vblank;



		vtotal = crtc_state->uapi.adjusted_mode.crtc_vtotal -

			crtc_state->uapi.adjusted_mode.crtc_vdisplay;

		vblank = crtc_state->uapi.adjusted_mode.crtc_vblank_end -

			crtc_state->uapi.adjusted_mode.crtc_vblank_start;

		if (vblank > vtotal)

		if (crtc_state->hw.adjusted_mode.crtc_vblank_start !=

		    crtc_state->hw.adjusted_mode.crtc_vdisplay)

			intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0,

				     wa_16013835468_bit_get(intel_dp));

	}