From: José Roberto de Souza Date: Tue, 14 Sep 2021 21:25:03 +0000 (-0700) Subject: drm/i915/display/adlp: Fix PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR calculation X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=72fe6ca84f080a01218d9208e2fa8ce8baaec548;p=linux.git drm/i915/display/adlp: Fix PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR calculation As the SU_REGION_START begins at 0, the SU_REGION_END should be number of lines - 1. BSpec: 50424 Reviewed-by: Gwan-gyeong Mun Cc: Gwan-gyeong Mun Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210914212507.177511-1-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 3f6fb7d67f84d..36816abb3bcc0 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1501,7 +1501,7 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, if (IS_ALDERLAKE_P(dev_priv)) { val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR(clip->y1); - val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(clip->y2); + val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(clip->y2 - 1); } else { drm_WARN_ON(crtc_state->uapi.crtc->dev, clip->y1 % 4 || clip->y2 % 4);