Re: [PATCH v4 2/2] arm: dts: sc7180: Add support for gpu fuse

[Akhil P Oommen]

On 2/3/2021 4:22 AM, Bjorn Andersson wrote:

On Fri 08 Jan 12:15 CST 2021, Akhil P Oommen wrote:

Please align the $subject prefix with other changes in the same file.
I fixed it up while picking up the patch this time.

Will take of this in future. Thanks, Bjorn.

-Akhil.

Regards,
Bjorn

Add support for gpu fuse to help identify the supported opps.

Signed-off-by: Akhil P Oommen <akhi...@codeaurora.org>
---
  arch/arm64/boot/dts/qcom/sc7180.dtsi | 22 ++++++++++++++++++++++
  1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi 
b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 6678f1e..8cae3eb 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -675,6 +675,11 @@
                                reg = <0x25b 0x1>;
                                bits = <1 3>;
                        };
+
+                       gpu_speed_bin: gpu_speed_bin@1d2 {
+                               reg = <0x1d2 0x2>;
+                               bits = <5 8>;
+                       };
                };

sdhc_1: sdhci@7c4000 {

@@ -1907,52 +1912,69 @@
                        operating-points-v2 = <&gpu_opp_table>;
                        qcom,gmu = <&gmu>;

+ nvmem-cells = <&gpu_speed_bin>;

+                       nvmem-cell-names = "speed_bin";
+
                        interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt 
SLAVE_EBI1 0>;
                        interconnect-names = "gfx-mem";

gpu_opp_table: opp-table {

                                compatible = "operating-points-v2";

+ opp-825000000 {

+                                       opp-hz = /bits/ 64 <825000000>;
+                                       opp-level = 
<RPMH_REGULATOR_LEVEL_TURBO_L1>;
+                                       opp-peak-kBps = <8532000>;
+                                       opp-supported-hw = <0x04>;
+                               };
+
                                opp-800000000 {
                                        opp-hz = /bits/ 64 <800000000>;
                                        opp-level = 
<RPMH_REGULATOR_LEVEL_TURBO>;
                                        opp-peak-kBps = <8532000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-650000000 {

                                        opp-hz = /bits/ 64 <650000000>;
                                        opp-level = 
<RPMH_REGULATOR_LEVEL_NOM_L1>;
                                        opp-peak-kBps = <7216000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-565000000 {

                                        opp-hz = /bits/ 64 <565000000>;
                                        opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
                                        opp-peak-kBps = <5412000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-430000000 {

                                        opp-hz = /bits/ 64 <430000000>;
                                        opp-level = 
<RPMH_REGULATOR_LEVEL_SVS_L1>;
                                        opp-peak-kBps = <5412000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-355000000 {

                                        opp-hz = /bits/ 64 <355000000>;
                                        opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
                                        opp-peak-kBps = <3072000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-267000000 {

                                        opp-hz = /bits/ 64 <267000000>;
                                        opp-level = 
<RPMH_REGULATOR_LEVEL_LOW_SVS>;
                                        opp-peak-kBps = <3072000>;
+                                       opp-supported-hw = <0x07>;
                                };

opp-180000000 {

                                        opp-hz = /bits/ 64 <180000000>;
                                        opp-level = 
<RPMH_REGULATOR_LEVEL_MIN_SVS>;
                                        opp-peak-kBps = <1804000>;
+                                       opp-supported-hw = <0x07>;
                                };
                        };
                };
--
2.7.4

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