From: Marc Zyngier <maz@kernel.org>
To: Lucas Tanure <lucas.tanure@collabora.com>
Cc: Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
Thomas Gleixner <tglx@linutronix.de>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Krzysztof Wilczynski <kw@linux.com>,
Bjorn Helgaas <bhelgaas@google.com>, Qu Wenruo <wqu@suse.com>,
Piotr Oniszczuk <piotr.oniszczuk@gmail.com>,
Peter Geis <pgwipeout@gmail.com>,
Kever Yang <kever.yang@rock-chips.com>,
linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org, kernel@collabora.com,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH 1/7] irqchip/gic-v3: Add a DMA Non-Coherent flag
Date: Fri, 10 Mar 2023 10:44:54 +0000 [thread overview]
Message-ID: <86wn3oyjfd.wl-maz@kernel.org> (raw)
In-Reply-To: <37adba14-1add-187c-01b5-5109be38018e@collabora.com>
On Fri, 10 Mar 2023 09:53:16 +0000,
Lucas Tanure <lucas.tanure@collabora.com> wrote:
>
> On 10-03-2023 08:56, Marc Zyngier wrote:
> > On 2023-03-10 08:05, Lucas Tanure wrote:
> >> The GIC600 integration in RK356x, used in rk3588, doesn't support
> >> any of the shareability or cacheability attributes, and requires
> >> both values to be set to 0b00 for all the ITS and Redistributor
> >> tables.
> >>
> >> This is loosely based on prior work from XiaoDong Huang and
> >> Peter Geis fixing this issue specifically for Rockchip 356x.
> >
> > No.
> >
> > If we are going to do *anything* about this thing, it is by
> > describing the actual topology.
> What do you mean by describe the topology?
Exactly what it means. Describe which shareability domains the GIC is
in w.r.t the whole SoC. Do it consistently over the whole SoC.
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2023-03-10 10:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-10 8:05 [PATCH 0/7] Add PCIe2 support for Rockchip Boards Lucas Tanure
2023-03-10 8:05 ` [PATCH 1/7] irqchip/gic-v3: Add a DMA Non-Coherent flag Lucas Tanure
2023-03-10 8:56 ` Marc Zyngier
2023-03-10 9:53 ` Lucas Tanure
2023-03-10 10:44 ` Marc Zyngier [this message]
2023-03-10 11:41 ` Peter Geis
2023-03-10 11:56 ` Marc Zyngier
2023-03-10 12:04 ` Peter Geis
2023-03-10 12:12 ` Marc Zyngier
2023-03-10 12:04 ` Robin Murphy
2023-03-14 13:25 ` Lucas Tanure
2023-03-14 14:14 ` Marc Zyngier
2023-03-10 8:05 ` [PATCH 2/7] PCI: rockchip-dwc: Add rk3588 compatible line Lucas Tanure
2023-03-10 8:05 ` [PATCH 3/7] dt-bindings: phy: rockchip: " Lucas Tanure
2023-03-12 11:31 ` Krzysztof Kozlowski
2023-03-10 8:05 ` [PATCH 4/7] phy: rockchip: Add naneng combo phy support for RK3588 Lucas Tanure
2023-03-10 12:31 ` Peter Geis
2023-03-10 8:05 ` [PATCH 5/7] arm64: dts: rockchip: Add ITS GIC600 configuration for rk3588s Lucas Tanure
2023-03-10 8:05 ` [PATCH 6/7] arm64: dts: rockchip: Add PCIE2.0x1 lane @fe190000 for RK3588s Lucas Tanure
2023-03-10 8:05 ` [PATCH 7/7] arm64: dts: rockchip: RK3588s: Enable PCIE2.0x1 @fe190000 Lucas Tanure
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