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[2001:1c00:3b89:c600:71a4:84f:6409:1447]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037f4ef1fsm270073866b.64.2025.12.19.08.41.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Dec 2025 08:41:19 -0800 (PST) From: Luca Weiss Date: Fri, 19 Dec 2025 17:41:07 +0100 Subject: [PATCH RFC 1/6] soc: qcom: ubwc: Add config for Milos 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: <20251219-milos-mdss-v1-1-4537a916bdf9@fairphone.com> References: <20251219-milos-mdss-v1-0-4537a916bdf9@fairphone.com> In-Reply-To: <20251219-milos-mdss-v1-0-4537a916bdf9@fairphone.com> To: Bjorn Andersson , Konrad Dybcio , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766162477; l=1527; i=luca.weiss@fairphone.com; s=20250611; h=from:subject:message-id; bh=t5HFnNXhnxSLu0HbcMB5zyaLqy0cPi/BThYL9zb/2sc=; b=EoGcG/sMLsZ+n/tQW2JV/CykTnYFk5wscZuExCSdKs6oC1UTb3wWbgCcx7IrWQcQSUcMonII5 z2uIyuCf5hSD4AWSUC+TFtP5nwTgjA9IkL9CUto62zfEZhNtEBAZwyD X-Developer-Key: i=luca.weiss@fairphone.com; a=ed25519; pk=O1aw+AAust5lEmgrNJ1Bs7PTY0fEsJm+mdkjExA69q8= Describe the Universal Bandwidth Compression (UBWC) configuration for the Milos SoC. Signed-off-by: Luca Weiss Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio --- drivers/soc/qcom/ubwc_config.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/soc/qcom/ubwc_config.c b/drivers/soc/qcom/ubwc_config.c index 15d373bff231..790e67c7db3e 100644 --- a/drivers/soc/qcom/ubwc_config.c +++ b/drivers/soc/qcom/ubwc_config.c @@ -16,6 +16,17 @@ static const struct qcom_ubwc_cfg_data no_ubwc_data =3D { /* no UBWC, no HBB */ }; =20 +static const struct qcom_ubwc_cfg_data milos_data =3D { + .ubwc_enc_version =3D UBWC_4_0, + .ubwc_dec_version =3D UBWC_4_0, + .ubwc_swizzle =3D UBWC_SWIZZLE_ENABLE_LVL2 | + UBWC_SWIZZLE_ENABLE_LVL3, + .ubwc_bank_spread =3D true, + /* TODO: highest_bank_bit =3D 14 for LP_DDR4 */ + .highest_bank_bit =3D 15, + .macrotile_mode =3D true, +}; + static const struct qcom_ubwc_cfg_data msm8937_data =3D { .ubwc_enc_version =3D UBWC_1_0, .ubwc_dec_version =3D UBWC_1_0, @@ -223,6 +234,7 @@ static const struct of_device_id qcom_ubwc_configs[] __= maybe_unused =3D { { .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,milos", .data =3D &milos_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 &no_ubwc_data }, --=20 2.52.0