On Thu, 2022-12-22 at 14:00 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Fix the code to correctly determine whether delayed vblank
> is used or not.
Reviewed-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_psr.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 9820e5fdd087..70bd4e69834c 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1200,13 +1200,8 @@ static void intel_psr_enable_source(struct
> intel_dp *intel_dp,
> /* Wa_16013835468:tgl[b0+], dg1 */
> if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_B0,
> STEP_FOREVER) ||
> IS_DG1(dev_priv)) {
> - 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));
> }
