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[2001:14ba:a0c3:3a00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55a31d7c76csm2304535e87.122.2025.07.23.06.33.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Jul 2025 06:33:44 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 23 Jul 2025 16:33:43 +0300 Subject: [PATCH v3] soc: qcom: ubwc: provide no-UBWC configuration Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250723-ubwc-no-ubwc-v3-1-81bdb75685bf@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIALbkgGgC/3XPSw6CMBAG4KuQri32QVVYeQ/josAgTaSVtlQM4 e4W2Bijm07+ycyX6YQcWAUOFcmELATllNEx8F2CqlbqG2BVx4wYYYIcyQEP5bPC2myVVyKnOTt yIBzFlYeFRo0rd7nG3CrnjX2teqBL9w8UKKYYeC4Ek5JkdXM2zqX9IO+V6bo0PmjxAvswGP8yW DROTAAFEFkpxQ9j3o600A/xq367FJXSAV6GlC8SDaPfd9J5sHF+fgPOz8vXIgEAAA== X-Change-ID: 20250706-ubwc-no-ubwc-3c5919273e03 To: Bjorn Andersson , Konrad Dybcio , Rob Clark Cc: Konrad Dybcio , linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2890; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=SBUY/V4xLs/7I4TRnpBK02us0MpTJs5s79N5xrPclI4=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBogOS4B8xLRc/tP2mWUM8pLag/D25jq2Lvgx7GI NfVsxwYFzuJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaIDkuAAKCRCLPIo+Aiko 1Qw2B/9Px8qUpaP6FZLiIa1oy9vHbRSAdE/D598x7ufikpHqguT389LRl/BhbSAJ/REpVvOaVv/ TCr69PwL/Cr68jpyQJ0+ryJ0kwnppxg6lUSI/IKbZ6eF2FD+TvD9Uc7KpAMKogSY0JxOUzNpF9b esuvlWT7zaErklWT39eNRobaxclJ5RrfG9hSlD/yVfqTgV+ds/+yXyVw4MglBRgmGA2T+SNrcwj /SwbJdfRmR7ZHW1IYyLQ+5MvurVxNH+kyp9Rw2VCHbXfuuiFvgNnXTh5oh6Qdjc18EwY4U/uC1U IGWJLjAV2MEVZM4NupwE6ot0slIQoxmqnsaH8Y47t8w7nGx0 X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Authority-Analysis: v=2.4 cv=BJ6zrEQG c=1 sm=1 tr=0 ts=6880e4bc cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=HI9FvKZQ5624IJQzk6MA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: -kRqD6TGfEURoJAFVFUdQMroyGkpQSoo X-Proofpoint-ORIG-GUID: -kRqD6TGfEURoJAFVFUdQMroyGkpQSoo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIzMDExNiBTYWx0ZWRfXztsGKix10Ny2 srtIG78qpiGzrrlCgRHy+5z4yES/hGCsdHJHJAYcrrWW+j8vc9zFC5i/umytn4Oe1Flg/hXASTj Dsd64N4d1hjAB/yflRl5JMDXt5iRXkPXRsf2OzDMw4yOgY2amAXNWi92b4lbqKSa3louwtaTigF adtB3hj0DYTTwoLzI7CmW5RFpO3MkelDu8MH+1Z1nDfw5XXH+uZLV0Cb673sUHSpaO6oqfrYvx6 t/hbolvLoO5Pfq7nMKVSxpwnwjR7y8esvY5q+MA0emW8WtC2DW+CymS8g6ypB7O4KAuHp2o0B0i YTolNXNhGgY0xjOT//YSMzeSKuMN9v6EKMhBChFNrp6P9TooJcpETDkxBe98y9Q4SOOsbfk9Qsj 8GSdcDb3n8aGQdXIRjlToLY/d73WjRu3lsWmnHqqKatm8NaCQIjqcDpRcAL6E6nt20zcfbNV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-23_02,2025-07-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 suspectscore=0 impostorscore=0 phishscore=0 adultscore=0 mlxscore=0 malwarescore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507230116 After the commit 45a2974157d2 ("drm/msm: Use the central UBWC config database") the MDSS driver errors out if UBWC database didn't provide it with the UBWC configuration. Make UBWC database return zero data for MSM8916 / APQ8016, MSM8974 / APQ8074, MSM8226 and MSM8939. Fixes: 1924272b9ce1 ("soc: qcom: Add UBWC config provider") Acked-by: Bjorn Andersson Reviewed-by: Rob Clark Reviewed-by: Konrad Dybcio Signed-off-by: Dmitry Baryshkov --- Note: the driver is a part of drivers/soc, but as it got merged through drm/msm tree, this fix should also go through the drm/msm tree. --- Changes in v3: - Just picked up all R-B tags from v1 (forgot those in v2) - Link to v2: https://lore.kernel.org/r/20250723-ubwc-no-ubwc-v2-1-825e1ee5= 4ba5@oss.qualcomm.com Changes in v2: - Added APQ8026 to the list (Luca Weiss) - Link to v1: https://lore.kernel.org/r/20250706-ubwc-no-ubwc-v1-1-e39552aa= 04df@oss.qualcomm.com --- drivers/soc/qcom/ubwc_config.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/soc/qcom/ubwc_config.c b/drivers/soc/qcom/ubwc_config.c index bd0a98aad9f3b222abcf0a7af85a318caffa9841..9002fc9373ce349c129889ab58f= 87cd59591de63 100644 --- a/drivers/soc/qcom/ubwc_config.c +++ b/drivers/soc/qcom/ubwc_config.c @@ -12,6 +12,10 @@ =20 #include =20 +static const struct qcom_ubwc_cfg_data no_ubwc_data =3D { + /* no UBWC, no HBB */ +}; + static const struct qcom_ubwc_cfg_data msm8937_data =3D { .ubwc_enc_version =3D UBWC_1_0, .ubwc_dec_version =3D UBWC_1_0, @@ -215,11 +219,18 @@ static const struct qcom_ubwc_cfg_data x1e80100_data = =3D { }; =20 static const struct of_device_id qcom_ubwc_configs[] __maybe_unused =3D { + { .compatible =3D "qcom,apq8016", .data =3D &no_ubwc_data }, + { .compatible =3D "qcom,apq8026", .data =3D &no_ubwc_data }, + { .compatible =3D "qcom,apq8074", .data =3D &no_ubwc_data }, { .compatible =3D "qcom,apq8096", .data =3D &msm8998_data }, + { .compatible =3D "qcom,msm8226", .data =3D &no_ubwc_data }, + { .compatible =3D "qcom,msm8916", .data =3D &no_ubwc_data }, { .compatible =3D "qcom,msm8917", .data =3D &msm8937_data }, { .compatible =3D "qcom,msm8937", .data =3D &msm8937_data }, + { .compatible =3D "qcom,msm8939", .data =3D &no_ubwc_data }, { .compatible =3D "qcom,msm8953", .data =3D &msm8937_data }, { .compatible =3D "qcom,msm8956", .data =3D &msm8937_data }, + { .compatible =3D "qcom,msm8974", .data =3D &no_ubwc_data }, { .compatible =3D "qcom,msm8976", .data =3D &msm8937_data }, { .compatible =3D "qcom,msm8996", .data =3D &msm8998_data }, { .compatible =3D "qcom,msm8998", .data =3D &msm8998_data }, --- base-commit: a933d3dc1968fcfb0ab72879ec304b1971ed1b9a change-id: 20250706-ubwc-no-ubwc-3c5919273e03 Best regards, --=20 With best wishes Dmitry