From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: robh@kernel.org, tomeu.vizoso@collabora.com,
Robin Murphy <robin.murphy@arm.com>,
dri-devel@lists.freedesktop.org, steven.price@arm.com,
iommu@lists.linux-foundation.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, will@kernel.org,
linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com
Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support
Date: Wed, 16 Sep 2020 13:04:09 -0400 [thread overview]
Message-ID: <20200916170409.GA2543@kevin> (raw)
In-Reply-To: <d109e9da-feb3-c09f-2b7f-98c92ce39593@baylibre.com>
[-- Attachment #1.1: Type: text/plain, Size: 168 bytes --]
> So I get a performance regression with the dma-coherent approach, even if it's
> clearly the cleaner.
That's bizarre -- this should really be the faster of the two.
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_______________________________________________
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WARNING: multiple messages have this Message-ID (diff)
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: robh@kernel.org, tomeu.vizoso@collabora.com,
Robin Murphy <robin.murphy@arm.com>,
dri-devel@lists.freedesktop.org, steven.price@arm.com,
iommu@lists.linux-foundation.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, will@kernel.org,
linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com
Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support
Date: Wed, 16 Sep 2020 13:04:09 -0400 [thread overview]
Message-ID: <20200916170409.GA2543@kevin> (raw)
In-Reply-To: <d109e9da-feb3-c09f-2b7f-98c92ce39593@baylibre.com>
[-- Attachment #1.1: Type: text/plain, Size: 168 bytes --]
> So I get a performance regression with the dma-coherent approach, even if it's
> clearly the cleaner.
That's bizarre -- this should really be the faster of the two.
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: tomeu.vizoso@collabora.com, Robin Murphy <robin.murphy@arm.com>,
dri-devel@lists.freedesktop.org, steven.price@arm.com,
iommu@lists.linux-foundation.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, will@kernel.org,
linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com
Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support
Date: Wed, 16 Sep 2020 13:04:09 -0400 [thread overview]
Message-ID: <20200916170409.GA2543@kevin> (raw)
In-Reply-To: <d109e9da-feb3-c09f-2b7f-98c92ce39593@baylibre.com>
[-- Attachment #1.1: Type: text/plain, Size: 168 bytes --]
> So I get a performance regression with the dma-coherent approach, even if it's
> clearly the cleaner.
That's bizarre -- this should really be the faster of the two.
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
[-- Attachment #2: Type: text/plain, Size: 160 bytes --]
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: robh@kernel.org, tomeu.vizoso@collabora.com,
Robin Murphy <robin.murphy@arm.com>,
dri-devel@lists.freedesktop.org, steven.price@arm.com,
iommu@lists.linux-foundation.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, will@kernel.org,
linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com
Subject: Re: [PATCH 0/3] drm: panfrost: Coherency support
Date: Wed, 16 Sep 2020 13:04:09 -0400 [thread overview]
Message-ID: <20200916170409.GA2543@kevin> (raw)
In-Reply-To: <d109e9da-feb3-c09f-2b7f-98c92ce39593@baylibre.com>
[-- Attachment #1.1: Type: text/plain, Size: 168 bytes --]
> So I get a performance regression with the dma-coherent approach, even if it's
> clearly the cleaner.
That's bizarre -- this should really be the faster of the two.
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
[-- Attachment #2: Type: text/plain, Size: 167 bytes --]
_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-amlogic
next prev parent reply other threads:[~2020-09-16 17:47 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 23:51 [PATCH 0/3] drm: panfrost: Coherency support Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` [PATCH 1/3] iommu/io-pgtable-arm: Support coherency for Mali LPAE Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-21 17:57 ` Will Deacon
2020-09-21 17:57 ` Will Deacon
2020-09-21 17:57 ` Will Deacon
2020-09-21 17:57 ` Will Deacon
2020-09-21 21:53 ` Robin Murphy
2020-09-21 21:53 ` Robin Murphy
2020-09-21 21:53 ` Robin Murphy
2020-09-21 21:53 ` Robin Murphy
2020-09-21 22:24 ` Will Deacon
2020-09-21 22:24 ` Will Deacon
2020-09-21 22:24 ` Will Deacon
2020-09-21 22:24 ` Will Deacon
2020-09-15 23:51 ` [PATCH 2/3] drm/panfrost: Support cache-coherent integrations Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-17 10:37 ` Steven Price
2020-09-17 10:37 ` Steven Price
2020-09-17 10:37 ` Steven Price
2020-09-17 10:37 ` Steven Price
2020-09-15 23:51 ` [PATCH 3/3] arm64: dts: meson: Describe G12b GPU as coherent Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-15 23:51 ` Robin Murphy
2020-09-16 8:26 ` Neil Armstrong
2020-09-16 8:26 ` Neil Armstrong
2020-09-16 8:26 ` Neil Armstrong
2020-09-16 8:26 ` Neil Armstrong
2020-10-05 8:15 ` Boris Brezillon
2020-10-05 8:15 ` Boris Brezillon
2020-10-05 8:15 ` Boris Brezillon
2020-10-05 8:15 ` Boris Brezillon
2020-10-05 8:34 ` Steven Price
2020-10-05 8:34 ` Steven Price
2020-10-05 8:34 ` Steven Price
2020-10-05 8:34 ` Steven Price
2020-10-05 8:39 ` Boris Brezillon
2020-10-05 8:39 ` Boris Brezillon
2020-10-05 8:39 ` Boris Brezillon
2020-10-05 8:39 ` Boris Brezillon
2020-10-05 10:05 ` Steven Price
2020-10-05 10:05 ` Steven Price
2020-10-05 10:05 ` Steven Price
2020-10-05 10:05 ` Steven Price
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` [PATCH 0/3] drm: panfrost: Coherency support Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 14:54 ` Neil Armstrong
2020-09-16 17:04 ` Alyssa Rosenzweig [this message]
2020-09-16 17:04 ` Alyssa Rosenzweig
2020-09-16 17:04 ` Alyssa Rosenzweig
2020-09-16 17:04 ` Alyssa Rosenzweig
2020-09-16 17:46 ` Rob Herring
2020-09-16 17:46 ` Rob Herring
2020-09-16 17:46 ` Rob Herring
2020-09-16 17:46 ` Rob Herring
2020-09-17 10:38 ` Steven Price
2020-09-17 10:38 ` Steven Price
2020-09-17 10:38 ` Steven Price
2020-09-17 10:38 ` Steven Price
2020-09-17 10:51 ` Tomeu Vizoso
2020-09-17 10:51 ` Tomeu Vizoso
2020-09-17 10:51 ` Tomeu Vizoso
2020-09-17 10:51 ` Tomeu Vizoso
2020-09-17 11:00 ` Steven Price
2020-09-17 11:00 ` Steven Price
2020-09-17 11:00 ` Steven Price
2020-09-17 11:00 ` Steven Price
2020-09-17 12:03 ` Alyssa Rosenzweig
2020-09-17 12:03 ` Alyssa Rosenzweig
2020-09-17 12:03 ` Alyssa Rosenzweig
2020-09-17 12:03 ` Alyssa Rosenzweig
2020-09-17 12:38 ` Robin Murphy
2020-09-17 12:38 ` Robin Murphy
2020-09-17 12:38 ` Robin Murphy
2020-09-17 12:38 ` Robin Murphy
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