| Message ID | 1492031718-28477-7-git-send-email-jcrouse@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed 12 Apr 14:15 PDT 2017, Jordan Crouse wrote: > The 'zap-shader' subnode is used to define a phandle for the > PIL memory region that is required to load GPU secure firwmare images > (known as the "zap shader"). > > Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > Documentation/devicetree/bindings/display/msm/gpu.txt | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt > index 43fac0f..0376b20 100644 > --- a/Documentation/devicetree/bindings/display/msm/gpu.txt > +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt > @@ -15,6 +15,15 @@ Required properties: > * "iface" > * "mem_iface" > > +Subnodes: > +- zap-shader: Defines the memory region used by the zap shader > + to load the firmware via the PIL loader. This is required > + for adreno-5xx targets and newer unless the secure mode > + is specifically disabled on a target. > + > +Required properties for zap-shader: > +- memory-region: Phandle to the PIL reserved memory region. > + > Example: > > / { > @@ -34,5 +43,9 @@ Example: > <&mmcc GFX3D_CLK>, > <&mmcc GFX3D_AHB_CLK>, > <&mmcc MMSS_IMEM_AHB_CLK>; > + > + zap-shader { > + memory-region = <&peripheral_reserved>; > + }; > }; > }; > -- > 1.9.1 >
diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index 43fac0f..0376b20 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -15,6 +15,15 @@ Required properties: * "iface" * "mem_iface" +Subnodes: +- zap-shader: Defines the memory region used by the zap shader + to load the firmware via the PIL loader. This is required + for adreno-5xx targets and newer unless the secure mode + is specifically disabled on a target. + +Required properties for zap-shader: +- memory-region: Phandle to the PIL reserved memory region. + Example: / { @@ -34,5 +43,9 @@ Example: <&mmcc GFX3D_CLK>, <&mmcc GFX3D_AHB_CLK>, <&mmcc MMSS_IMEM_AHB_CLK>; + + zap-shader { + memory-region = <&peripheral_reserved>; + }; }; };
The 'zap-shader' subnode is used to define a phandle for the PIL memory region that is required to load GPU secure firwmare images (known as the "zap shader"). Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> --- Documentation/devicetree/bindings/display/msm/gpu.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+)