From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFA8339098C for ; Mon, 11 May 2026 20:58:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778533126; cv=none; b=E77PVd6HFwsRSsEpVW4InBE9ZAxZVqtYwp0QGfL8aUKaFHlvElSqoKzhvc1aR1Dpemb5/KLGRD5I2ODHTc2WMrCKpbwLMWXCBNiW8a0Dx6ygR6UE9be7zak+qtpEuG2dnY0fs7kIlpxNO20zIHjggb32ZxDQQXHGwaGcJeLzLa4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778533126; c=relaxed/simple; bh=IC9p+yFW23kXHm6BAxrUgukG4Y6HX3/Ta/4t5+nKG+Q=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=thLFqO104BSN1JpKD++QVpVgl5GbyM+jx+pbQX+8oD7F4YRzFt/b6zoj9wXfFlRWmbuHOqo7nmbOtBWZhZrpJC9H6H3WQJjaICrl8KcYcSnM8jEezQsyVP4DWxa/rJFUjcOaZmHfLXun2yBEzkomarZAKvKj075rFBAEN+jQ1nk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=V1u1rJGz; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=UccRG3Jh; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="V1u1rJGz"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="UccRG3Jh" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 64BK6RX71183966 for ; Mon, 11 May 2026 20:58:44 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 9/p9ARwLXTJwRe2U4yqJFSD8BOX1Dr2lRgTY9kR08Xw=; b=V1u1rJGzXkpOMKlD cOfPNOc3SI+WgeiL6w8LZEK88483Jj6Y436ZC2KgVgtRP5eSCGuYYYa4hCRNot++ a7Dn38LfNGYNHcm6ceOch8+oALHmCil0JIcW/FYUrnFtdobxMhLbI9eB4N/u0Z+t BRMKglshERHgMZXlJrBsCSd4wzu92v1T2CwGpOpVPpsUi1tPNBhrpj1E+14NG8wt enlitUK9Ni8A0Lj7HdLxEkBlchsv6LUV0w07uWySIACTJfLreQABjhN9EuBIeoZj Q56/sIFi7RkgDDM5iVecXvgc8NKWT5BC4bn3I0YbMNPur7eGv9K5tRn5CBC96V+U 4qwa0Q== Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4e3nuy87k2-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 11 May 2026 20:58:43 +0000 (GMT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-837cc5bc6deso3231031b3a.3 for ; Mon, 11 May 2026 13:58:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1778533123; x=1779137923; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=9/p9ARwLXTJwRe2U4yqJFSD8BOX1Dr2lRgTY9kR08Xw=; b=UccRG3JhNRSOZX7QuIS/F7vupKa+kQLswqqPi+4L6c/X21PxBf/UY5SWydAUGOac1R KEaUZ3oNMiplyAxmqGDAR2bvCso9/RAhtyVazEF1VG+x8ft73NEOCFaAzsgtnrveik/T CLjXum+yP7TXQ5KNdQA6A6104lm+qmGl7Sh32HDCTbc3zKQiQOxECTW0gwoTed9o7Rs/ ddCctcY7qtWj7upbj2HPBqPFkNFJlwa+aYxe7PhYPg2r7/ZUZSfMZ8yJoeU9y50psaDs xSB4UrdWEt3JsFChIp5lrqCJL/ajNt2OkO5ovqUCoWnfhHy61+P/EKC5GOyVUGK+QoU0 v7IQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778533123; x=1779137923; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9/p9ARwLXTJwRe2U4yqJFSD8BOX1Dr2lRgTY9kR08Xw=; b=QzMWMZRyOPW8TKNyRSz+43UiCGMWpX111bC2dMUnwxt5B6UkSTo4Nk8F08b1y3+Ro5 QzIGJi7P6bkJu2NF6QIVEqKEE1UE/JFGrBlpahVcWHTY+LAOVE2kBCg9GTIlgDg23Cy1 XD4Df8aM2fSTY7SL4a8XUcPPaSiM3fG2C+7O1G7gnbbL+eLw1X3bM3iaEWk6szj6Azjh ApOZEQOGsHrSlLuHv9V+a+JFICBIb8OvT7icF24LZBBnZ/tLMEpeWzT0BDAOmxWPYm8N gi2z4tlYUJ4XwF+8WxxKpi9/4PGHWXXXQZ534vfbXwpiiitlHSkv5VhgBc3ZYRjtERih yChQ== X-Forwarded-Encrypted: i=1; AFNElJ/9zok6fSQ3kLVD0CCJwyeYxTqDEA0NjEx2FDjqJJDYxhhtSAuO/6bN/yc/vlN/1QCdsj58oh5RUcSQqYM=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1d5Zf5A73NP1fgOw0wSqn5d1YByOg1o13hvIZe4xa8niQcjFt C/LLaK602VCmDejtqSiIRPcRgj+l5psf8Oxzz+KGPuYj8pHqBzmlEEnrqQFDR/NULzhd4yMZwQ7 q7dcxjmIDCphkulsGn98OBg1KRybF3Ih944u0VIzYaCDnrFFFa8FvQCWUJfDYAYAE9Fo= X-Gm-Gg: Acq92OFXyALwK9uE8POzwoJwsS25vLth2nTy9dlWks5bX5BewhZf6JD8isMr0oRk32P rMCrtUnlVmXgw6Yot47IY3tlEJMpjHTxP5ru0oNfJzcfsEhf8qkb7tg6dzZbcPucWVEOBcsSXIZ ghaGtVRppmzEw41tpuPGBeia7GqZY4owAKwt5NoydQJdhGU+pXFDJIxkDlMOuLAT1dJgbu44Yen PTG/IVkioIL+bLJZArE/JehbX3ftGQF2pp3oaGZkYVhwv7iYXSt7GhN1z1BpJeD7Y+gmVwIR4Qk 2HjfVljVZDGZ3PkwCyvpfrqAqEGIbpb7c1qN3u4Mc+sA1rA1n7L9avvg3PKIrujGXVO0fFnRCN1 XVN1ZXQf6Yw5vJQ01HKYwk8m2HNBYaEXBekY1HJ5mVOmZ X-Received: by 2002:a05:6a00:428a:b0:83d:b11f:7979 with SMTP id d2e1a72fcca58-83eebbf4d69mr76920b3a.29.1778533123246; Mon, 11 May 2026 13:58:43 -0700 (PDT) X-Received: by 2002:a05:6a00:428a:b0:83d:b11f:7979 with SMTP id d2e1a72fcca58-83eebbf4d69mr76903b3a.29.1778533122756; Mon, 11 May 2026 13:58:42 -0700 (PDT) Received: from [192.168.1.3] ([106.222.228.93]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8396563f049sm24664326b3a.7.2026.05.11.13.58.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 May 2026 13:58:42 -0700 (PDT) Message-ID: Date: Tue, 12 May 2026 02:28:34 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/5] drm/msm/a8xx: Fix RSCC offset To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Sean Paul , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org References: <20260512-glymur-gpu-dt-v3-0-84232dc21c03@oss.qualcomm.com> <20260512-glymur-gpu-dt-v3-1-84232dc21c03@oss.qualcomm.com> From: Akhil P Oommen Content-Language: en-US In-Reply-To: <20260512-glymur-gpu-dt-v3-1-84232dc21c03@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: oqKdANqV0zV8Y50fM8b3oEvERohSdzdV X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTExMDIyMiBTYWx0ZWRfXyK4IXFPY/Nvq vIfR+P11no+GfZMY3sZE75elH1b29y0yllcFEpoPzSGw+Zq340H/JmixQoGgynkb3/tJuE4nPPK olheAqkpKhCVIYcuDjbfPcpixcs6bUEBnIrSYEP52gS5jkBa+uN0NEyOYYLffX0qsCSVcFc2EhJ 2pA6/Iz/c9HnWO5d8Mppg46hqV+Wf+9VA3tNikM9eThv57W90PDRNvmxyDHB5zPkL9AQGMXoAU+ LLbOnEHUrN814QemvaI6gZjeVv0SCtUdeERp/4BYVznoRKUf1B1X2Ie6TEPqz+OfUHXBGVeexEM puPX62EB0fOJXxGqDXeR6H6omHwHFNEYRK9HmGGUtDmsTn47yeo8r88hXkcRGKlRmFuM0Ab+tfc AnjFYo4bmL/yx9tphpktuXfvjtm7S40vqDsJoAM4kVuvbsQFourX3j4qVolxpbutIBK+O58xTTp ci/+xWWKSXCyRz5s4kg== X-Authority-Analysis: v=2.4 cv=UZ5hjqSN c=1 sm=1 tr=0 ts=6a024303 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=1UGwFfo7D6NxPCeOlddrGg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=-ol3qSTvAihUzIL2rFMA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-GUID: oqKdANqV0zV8Y50fM8b3oEvERohSdzdV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-11_05,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 phishscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 bulkscore=0 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605110222 On 5/12/2026 1:36 AM, Akhil P Oommen wrote: > In A8xx, the RSCC block is part of GPU's register space. Update the > virtual base address of rscc to point to the correct address. > > Signed-off-by: Akhil P Oommen Missed the Fixes tag: Fixes: 50e8a557d8d3 ("drm/msm/a8xx: Add support for A8x GMU") -Akhil > --- > drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c > index 1b44b9e21ad8..cab4c46c6cf2 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c > @@ -2357,7 +2357,12 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node) > goto err_mmio; > } > } else if (adreno_is_a8xx(adreno_gpu)) { > - gmu->rscc = gmu->mmio + 0x19000; > + /* > + * On a8xx , RSCC lives at GPU base + 0x50000, which falls > + * inside the GPU's kgsl_3d0_reg_memory range rather than the > + * GMU's. > + */ > + gmu->rscc = gpu->mmio + 0x50000; > } else { > gmu->rscc = gmu->mmio + 0x23000; > } >