From: Steev Klimaszewski <steev@kali.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
Thierry Reding <treding@nvidia.com>,
Rob Clark <robdclark@chromium.org>
Cc: linux-arm-kernel@lists.infradead.org,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v5 0/3] iommu/arm-smmu-qcom: Support maintaining bootloader mappings
Date: Thu, 22 Oct 2020 12:14:38 -0500 [thread overview]
Message-ID: <fc462189-d5de-bb8d-31b5-6fb87a6edbdb@kali.org> (raw)
In-Reply-To: <20201019182323.3162386-1-bjorn.andersson@linaro.org>
On 10/19/20 1:23 PM, Bjorn Andersson wrote:
> This is the revised fourth attempt of inheriting the stream mapping for
> the framebuffer on many Qualcomm platforms, in order to not hit
> catastrophic faults during arm-smmu initialization.
>
> The new approach does, based on Robin's suggestion, take a much more
> direct approach with the allocation of a context bank for bypass
> emulation and use of this context bank pretty much isolated to the
> Qualcomm specific implementation.
>
> The patchset has been tested to boot DB845c and RB5 (with splash screen)
> and Lenovo Yoga C630 (with EFI framebuffer).
>
> Bjorn Andersson (3):
> iommu/arm-smmu: Allow implementation specific write_s2cr
> iommu/arm-smmu-qcom: Read back stream mappings
> iommu/arm-smmu-qcom: Implement S2CR quirk
>
> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 90 ++++++++++++++++++++++
> drivers/iommu/arm/arm-smmu/arm-smmu.c | 13 +++-
> drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 +
> 3 files changed, 101 insertions(+), 3 deletions(-)
>
Tested series here on my Lenovo C630.
Tested-by: Steev Klimaszewski <steev@kali.org>
WARNING: multiple messages have this Message-ID (diff)
From: Steev Klimaszewski <steev@kali.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
Thierry Reding <treding@nvidia.com>,
Rob Clark <robdclark@chromium.org>
Cc: linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 0/3] iommu/arm-smmu-qcom: Support maintaining bootloader mappings
Date: Thu, 22 Oct 2020 12:14:38 -0500 [thread overview]
Message-ID: <fc462189-d5de-bb8d-31b5-6fb87a6edbdb@kali.org> (raw)
In-Reply-To: <20201019182323.3162386-1-bjorn.andersson@linaro.org>
On 10/19/20 1:23 PM, Bjorn Andersson wrote:
> This is the revised fourth attempt of inheriting the stream mapping for
> the framebuffer on many Qualcomm platforms, in order to not hit
> catastrophic faults during arm-smmu initialization.
>
> The new approach does, based on Robin's suggestion, take a much more
> direct approach with the allocation of a context bank for bypass
> emulation and use of this context bank pretty much isolated to the
> Qualcomm specific implementation.
>
> The patchset has been tested to boot DB845c and RB5 (with splash screen)
> and Lenovo Yoga C630 (with EFI framebuffer).
>
> Bjorn Andersson (3):
> iommu/arm-smmu: Allow implementation specific write_s2cr
> iommu/arm-smmu-qcom: Read back stream mappings
> iommu/arm-smmu-qcom: Implement S2CR quirk
>
> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 90 ++++++++++++++++++++++
> drivers/iommu/arm/arm-smmu/arm-smmu.c | 13 +++-
> drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 +
> 3 files changed, 101 insertions(+), 3 deletions(-)
>
Tested series here on my Lenovo C630.
Tested-by: Steev Klimaszewski <steev@kali.org>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Steev Klimaszewski <steev@kali.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
Thierry Reding <treding@nvidia.com>,
Rob Clark <robdclark@chromium.org>
Cc: linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 0/3] iommu/arm-smmu-qcom: Support maintaining bootloader mappings
Date: Thu, 22 Oct 2020 12:14:38 -0500 [thread overview]
Message-ID: <fc462189-d5de-bb8d-31b5-6fb87a6edbdb@kali.org> (raw)
In-Reply-To: <20201019182323.3162386-1-bjorn.andersson@linaro.org>
On 10/19/20 1:23 PM, Bjorn Andersson wrote:
> This is the revised fourth attempt of inheriting the stream mapping for
> the framebuffer on many Qualcomm platforms, in order to not hit
> catastrophic faults during arm-smmu initialization.
>
> The new approach does, based on Robin's suggestion, take a much more
> direct approach with the allocation of a context bank for bypass
> emulation and use of this context bank pretty much isolated to the
> Qualcomm specific implementation.
>
> The patchset has been tested to boot DB845c and RB5 (with splash screen)
> and Lenovo Yoga C630 (with EFI framebuffer).
>
> Bjorn Andersson (3):
> iommu/arm-smmu: Allow implementation specific write_s2cr
> iommu/arm-smmu-qcom: Read back stream mappings
> iommu/arm-smmu-qcom: Implement S2CR quirk
>
> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 90 ++++++++++++++++++++++
> drivers/iommu/arm/arm-smmu/arm-smmu.c | 13 +++-
> drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 +
> 3 files changed, 101 insertions(+), 3 deletions(-)
>
Tested series here on my Lenovo C630.
Tested-by: Steev Klimaszewski <steev@kali.org>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-10-22 17:16 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-19 18:23 [PATCH v5 0/3] iommu/arm-smmu-qcom: Support maintaining bootloader mappings Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` [PATCH v5 1/3] iommu/arm-smmu: Allow implementation specific write_s2cr Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` [PATCH v5 2/3] iommu/arm-smmu-qcom: Read back stream mappings Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:50 ` Robin Murphy
2020-10-19 18:50 ` Robin Murphy
2020-10-19 18:50 ` Robin Murphy
2020-10-19 18:23 ` [PATCH v5 3/3] iommu/arm-smmu-qcom: Implement S2CR quirk Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 18:23 ` Bjorn Andersson
2020-10-19 19:02 ` Robin Murphy
2020-10-19 19:02 ` Robin Murphy
2020-10-19 19:02 ` Robin Murphy
2020-10-22 17:14 ` Steev Klimaszewski [this message]
2020-10-22 17:14 ` [PATCH v5 0/3] iommu/arm-smmu-qcom: Support maintaining bootloader mappings Steev Klimaszewski
2020-10-22 17:14 ` Steev Klimaszewski
2020-10-29 18:34 ` Will Deacon
2020-10-29 18:34 ` Will Deacon
2020-10-29 18:34 ` Will Deacon
2020-12-29 20:15 ` patchwork-bot+linux-arm-msm
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