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 <[email protected]> --- 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; }; + + }; 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 [email protected] https://lists.freedesktop.org/mailman/listinfo/freedreno
