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Wed, 24 Jan 2024 04:25:17 GMT Received: from [169.254.0.1] (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 23 Jan 2024 20:25:16 -0800 From: Bjorn Andersson Date: Tue, 23 Jan 2024 20:25:17 -0800 Subject: [PATCH v3 3/8] clk: qcom: gpucc-sc8280xp: Add external supply for GX gdsc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240123-sa8295p-gpu-v3-3-d5b4474c8f33@quicinc.com> References: <20240123-sa8295p-gpu-v3-0-d5b4474c8f33@quicinc.com> In-Reply-To: <20240123-sa8295p-gpu-v3-0-d5b4474c8f33@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Taniya Das , Johan Hovold CC: , , , , , , "Bjorn Andersson" , Dmitry Baryshkov X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706070315; l=958; i=quic_bjorande@quicinc.com; s=20230915; h=from:subject:message-id; bh=XqG6SvzlCntF+3+Nx+hVAQgPWgQW/RVb0t9LmLHIY+4=; b=u4/AFoCpUVtO52XXos7nssA9jQBvn0vVle4wsFjFGjHCC0NTzxl66RkzwrPkTon6cz3cOp0Y/ QZ/I0BI386GBBVjOsWJSl22so0HkfV6iA+i3CPF8KTdPmUNwLqbShqM X-Developer-Key: i=quic_bjorande@quicinc.com; a=ed25519; pk=VkhObtljigy9k0ZUIE1Mvr0Y+E1dgBEH9WoLQnUtbIM= X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: GZO3L0p5uXCgM4yiguc_zP8Xyzo5xffP X-Proofpoint-GUID: GZO3L0p5uXCgM4yiguc_zP8Xyzo5xffP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-24_01,2024-01-23_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 malwarescore=0 bulkscore=0 phishscore=0 mlxlogscore=998 suspectscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401240029 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788944611068606199 X-GMAIL-MSGID: 1788944611068606199 On SA8295P and SA8540P the GFX rail is powered by a dedicated external regulator, instead of the rpmh-controlled "gfx.lvl". Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the gdsc logic to look for, and control, this external power supply. Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Bjorn Andersson --- drivers/clk/qcom/gpucc-sc8280xp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/qcom/gpucc-sc8280xp.c b/drivers/clk/qcom/gpucc-sc8280xp.c index 8e147ee294ee..e2b3bc000c71 100644 --- a/drivers/clk/qcom/gpucc-sc8280xp.c +++ b/drivers/clk/qcom/gpucc-sc8280xp.c @@ -399,6 +399,7 @@ static struct gdsc gx_gdsc = { }, .pwrsts = PWRSTS_OFF_ON, .flags = CLAMP_IO | RETAIN_FF_ENABLE, + .supply = "vdd-gfx", }; static struct gdsc *gpu_cc_sc8280xp_gdscs[] = {