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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id x23sm46616880pfe.0.2019.03.13.22.20.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 13 Mar 2019 22:20:23 -0700 (PDT) Date: Wed, 13 Mar 2019 22:20:20 -0700 From: Bjorn Andersson To: Rob Clark Cc: Jordan Crouse , freedreno , Mark Rutland , devicetree@vger.kernel.org, linux-arm-msm , Linux Kernel Mailing List , David Brown , Rob Herring , Andy Gross Subject: Re: [Freedreno] [PATCH v1 4/4] arm64: dts: sdm845: Add zap shader region for GPU Message-ID: <20190314052020.GC6435@tuxbook-pro> References: <1552414422-9568-1-git-send-email-jcrouse@codeaurora.org> <1552414422-9568-5-git-send-email-jcrouse@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 13 Mar 08:42 PDT 2019, Rob Clark wrote: > On Tue, Mar 12, 2019 at 2:14 PM Jordan Crouse wrote: > > > > Some Adreno GPU targets require a special zap shader to bring the GPU > > out of secure mode. Define a region to allocate and store the zap > > shader. > > > > Signed-off-by: Jordan Crouse > > --- > > > > arch/arm64/boot/dts/qcom/sdm845.dtsi | 11 +++++++++++ > > 1 file changed, 11 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi > > index fed7a29..526456d 100644 > > --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi > > +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi > > @@ -100,6 +100,11 @@ > > no-map; > > }; > > > > + zap_shader_region: memory@8c415000 { > > + reg = <0 0x8c415000 0 0x2000>; > > + no-map; > > + }; > > + > > mpss_region: memory@8e000000 { > > reg = <0 0x8e000000 0 0x7800000>; > > no-map; > > @@ -109,6 +114,8 @@ > > reg = <0 0x96500000 0 0x200000>; > > no-map; > > }; > > + > > + > > I guess we don't really need this hunk.. > I'll trim that as I pick up the patch. > other than that, the series lgtm > Will you pick up patch 1-3 and I'll pick patch 4 through Andy's tree? Regards, Bjorn > BR, > -R > > > }; > > > > cpus { > > @@ -1514,6 +1521,10 @@ > > > > qcom,gmu = <&gmu>; > > > > + zap-shader { > > + memory-region = <&zap_shader_region>; > > + }; > > + > > gpu_opp_table: opp-table { > > compatible = "operating-points-v2"; > > > > -- > > 2.7.4 > > > > _______________________________________________ > > Freedreno mailing list > > Freedreno@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/freedreno