linux-kernel - [PATCH 10/11] drm/msm/mdss: use new helper to set min

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Message-Id: <20260110-iris-ubwc-v1-10-dd70494dcd7b@oss.qualcomm.com>
Date: Sat, 10 Jan 2026 21:38:02 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Akhil P Oommen <akhilpo@....qualcomm.com>,
        Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-media@...r.kernel.org
Subject: [PATCH 10/11] drm/msm/mdss: use new helper to set min_acc length

Use freshly defined helper instead of hardcoding the checks in the
driver.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/gpu/drm/msm/msm_mdss.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index bf9a33e925ac..da266753df69 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -175,8 +175,7 @@ static void msm_mdss_setup_ubwc_dec_20(struct msm_mdss *msm_mdss)
 	if (data->ubwc_bank_spread)
 		value |= MDSS_UBWC_STATIC_UBWC_BANK_SPREAD;
 
-	if (data->ubwc_enc_version == UBWC_1_0)
-		value |= MDSS_UBWC_STATIC_UBWC_MIN_ACC_LEN(1);
+	value |= MDSS_UBWC_STATIC_UBWC_MIN_ACC_LEN(qcom_ubwc_min_acc_length_64b(data));
 
 	writel_relaxed(value, msm_mdss->mmio + REG_MDSS_UBWC_STATIC);
 }
@@ -193,8 +192,7 @@ static void msm_mdss_setup_ubwc_dec_30(struct msm_mdss *msm_mdss)
 	if (data->ubwc_enc_version == UBWC_3_0)
 		value |= MDSS_UBWC_STATIC_UBWC_AMSBC;
 
-	if (data->ubwc_enc_version == UBWC_1_0)
-		value |= MDSS_UBWC_STATIC_UBWC_MIN_ACC_LEN(1);
+	value |= MDSS_UBWC_STATIC_UBWC_MIN_ACC_LEN(qcom_ubwc_min_acc_length_64b(data));
 
 	writel_relaxed(value, msm_mdss->mmio + REG_MDSS_UBWC_STATIC);
 }

-- 
2.47.3