Linux ARM-MSM sub-architecture
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From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Kieran Bingham <kieran.bingham@ideasonboard.com>,
	Rob Clark <robdclark@gmail.com>
Cc: Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Depeng Shao <quic_depengs@quicinc.com>,
	Vikram Sharma <quic_vikramsa@quicinc.com>,
	Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [PATCH 6/6] arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: Add cma heap for libcamera softisp support
Date: Sat, 2 Nov 2024 11:38:43 +0000	[thread overview]
Message-ID: <787ae421-0df0-45ae-bc3f-762ad73b8216@linaro.org> (raw)
In-Reply-To: <173047431366.2974136.175546053701391124@ping.linuxembedded.co.uk>

On 01/11/2024 15:18, Kieran Bingham wrote:
> Presently with SoftISP being CPU only - physically contiguous memory is
> not required.

Yes, I've misinterpreted what we discussed, udmabuf should be enough on 
qcom.

> Bryan, will this still be true when you have a GPU based ISP ? Will that
> require physically contiguous memory ? Or will the mapping into the GPU
> handle any required translations?

I believe it should be fine because we do glTexImage2D on the way in ATM 
and have support for eglCreateImageKHR(.., .., .., .., .., 
   EGL_DMA_BUF_PLANE0_FD_EXT, dma_fd); but in either case phys contig 
doesn't matter.

---
bod

  parent reply	other threads:[~2024-11-02 11:38 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-25 15:43 [PATCH 0/6] qcom: camss: dts: Prune and tidy x13s, rb5 and rb3 CAMSS dts Bryan O'Donoghue
2024-10-25 15:43 ` [PATCH 1/6] arm64: dts: qcom: qrb5165-rb5-vision-mezzanine: Convert mezzanine riser to dtbo Bryan O'Donoghue
2024-10-25 17:58   ` Konrad Dybcio
2024-10-25 15:43 ` [PATCH 2/6] arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: Convert mezzanine riser to dtso Bryan O'Donoghue
2024-10-25 18:06   ` Konrad Dybcio
2024-10-25 15:43 ` [PATCH 3/6] arm64: dts: qcom: sc8280xp-x13s: Drop redundant clock-lanes from camera@10 Bryan O'Donoghue
2024-10-25 17:23   ` Konrad Dybcio
2024-10-25 19:39     ` Bryan O'Donoghue
2024-10-25 15:43 ` [PATCH 4/6] arm64: dts: qcom: qrb5165-rb5-vision-mezzanine: Drop redundant clock-lanes from camera@1a Bryan O'Donoghue
2024-10-25 15:43 ` [PATCH 5/6] arm64: dts: qcom: qrb5165-rb5-vision-mezzanine: Add cma heap for libcamera softisp support Bryan O'Donoghue
2024-10-25 18:07   ` Konrad Dybcio
2024-10-25 15:43 ` [PATCH 6/6] arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: " Bryan O'Donoghue
2024-10-25 18:07   ` Konrad Dybcio
2024-11-01 12:33   ` Rob Clark
2024-11-01 15:18     ` Kieran Bingham
2024-11-01 16:05       ` Rob Clark
2024-11-02 11:38       ` Bryan O'Donoghue [this message]
2024-11-04  4:13 ` [PATCH 0/6] qcom: camss: dts: Prune and tidy x13s, rb5 and rb3 CAMSS dts Bjorn Andersson

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