From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f175.google.com (mail-yb1-f175.google.com [209.85.219.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D62363AE for ; Fri, 26 Apr 2024 18:44:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714157060; cv=none; b=JjysGclNdTD66CtBJc16cfC85nOwHYZGeQ7/VfXUfr21Wl6B3ZQ/rL0FlQjaW79OSlwrxenGtGa4WsE0+vr+L/zND5/snL6A8d5hjRwDTD+BJecmdbVAYEO9z2tXQuUcnh/UMN83g1d6dgK8MNCOP1m2azQcFAkN087xniBaT0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714157060; c=relaxed/simple; bh=VO6FRrG21n/ml/pdIIwEve7aGeOZZBBkoQGNlRY0wdE=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=ATliY9XqpjXgIgR724rnK2WOV7qF4XEIimFeBbK+VJCXOUI6arnpNnvV/BsUCHl+CTn4FVlq4teS5UfmwzyZguw3VMavd1gpEZkx53Hti8JhnTyYMe5pVqi+Ary28fQwyqTp1d/zZ/zrwZVU3M/5eWbGEBJIBG74JP7NLh9kBVU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=X+/PgrX/; arc=none smtp.client-ip=209.85.219.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="X+/PgrX/" Received: by mail-yb1-f175.google.com with SMTP id 3f1490d57ef6-de56d4bb72bso2902503276.2 for ; Fri, 26 Apr 2024 11:44:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1714157058; x=1714761858; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=WiA1UHPkUJSpPMTheghbL/TTPsSdmUdeU6jtU/WQ82c=; b=X+/PgrX/ZisgeqDkFiODYRd1fluO+R9DGxAf2/mGFNxANSs4nByRec3MdzDAJWeRpA 7eYrrSVI7FlQKZj2sS/68FkKrfwKJQ1BF6RiC3+u14BOqwOHUXH9T5fa3wTdopt0vqrC 8q955VZdXL0NCEtDXskXUbPbcR19Hmlmp/ZMb4dz1188fmXR21nDThQtlJ1TbNSNauF8 ft99bBHfxv+MHiRkH7bFU/wi87dWGo3YOdtSAjbE9CrfQCK3lX7DwCmWy2lY0LQWPesL r0mIzl1HbGnZBuklNflLjs5FEwFSfOMhRvtE+xZ6jjz6dsOmMuQeaVvrfOK+PZvkXhwy houQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714157058; x=1714761858; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=WiA1UHPkUJSpPMTheghbL/TTPsSdmUdeU6jtU/WQ82c=; b=plQz3N0HLRyK4qxZBpFxcufE6F9e4eHyLaEq4+YX7bHvmXQU6Pv5SBO0ye6jFgaAfW XLFxuHLerVfeNVpMnQdCZAUcXIWTYrBW2UJvK1qKJds9WmomDsju3/tj3Y31EfruQGOU rRp8qwWLT5u786rds8y9M460SeOPg9Ni0ApYCQw0Gz7EoLyZfgvWAikK/LGDzXOiBm25 rhpwkGblA6MmUQ+q2OOXq0bM/c8wwW9ulz11S3rRM0XyLvbLvKO0q0Pyln1PGWaX6krD A0lK9TSRF3RXt8F0hLF8zTRQ0JYSm8YMXeEMr5ZEZCmBQBWQdRPlkwjMV5nVz+U98p+g dBUg== X-Forwarded-Encrypted: i=1; AJvYcCXS73V3ZGEUagIB6CTr9csArY/Trk+Abftry84gaXp7/JvgUz3zTiDvJx0GuZKw5eONP1/RnwdmnwCnm8gTEeTdvI2dtxZeEAQVeg== X-Gm-Message-State: AOJu0YzMIRo+aPRqmaa/J+/lXV83PWXcQJCCe9JayGGZTO0YKvBofr69 KlOzkmna97Rja5/UXqtUSGjLuPWTpRU/xmOo2z+QbCPoUXnw/wHPqRFiIeTIdnXfiTLveUiHA3v uHE0VLHTd6x1/rP6nSfuuX04PxcHD9+i/YKJuGA== X-Google-Smtp-Source: AGHT+IH7mi4gG3qx/p/7EOM36O+F7q1UlF4E1n+3QC/o3z4uwxHQybEDslseHLh/YyOCPM7gvMVPXGWCUmmpBIpCQmY= X-Received: by 2002:a25:5f05:0:b0:dcc:245b:690e with SMTP id t5-20020a255f05000000b00dcc245b690emr3787471ybb.40.1714157058089; Fri, 26 Apr 2024 11:44:18 -0700 (PDT) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240426-a750-raytracing-v2-0-562ac9866d63@gmail.com> <20240426-a750-raytracing-v2-4-562ac9866d63@gmail.com> In-Reply-To: <20240426-a750-raytracing-v2-4-562ac9866d63@gmail.com> From: Dmitry Baryshkov Date: Fri, 26 Apr 2024 21:44:07 +0300 Message-ID: Subject: Re: [PATCH v2 4/6] drm/msm/a7xx: Initialize a750 "software fuse" To: Connor Abbott Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Jun Nie , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, freedreno@lists.freedesktop.org Content-Type: text/plain; charset="UTF-8" On Fri, 26 Apr 2024 at 21:34, Connor Abbott wrote: > > On all Qualcomm platforms with a7xx GPUs, qcom_scm provides a method to > initialize cx_mem. Copy this from downstream (minus BCL which we > currently don't support). On a750, this includes a new "fuse" register > which can be used by qcom_scm to fuse off certain features like > raytracing in software. The fuse is default off, and is initialized by > calling the method. Afterwards we have to read it to find out which > features were enabled. > > Signed-off-by: Connor Abbott > --- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 88 ++++++++++++++++++++++++++++++++- > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 2 + > 2 files changed, 89 insertions(+), 1 deletion(-) > I didn't check the register bits, but the rest looks fine Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry