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Commit e5f7848d authored by Oleg Perelet's avatar Oleg Perelet
Browse files

msm: kgsl: Use explicit min/max values for bus votes 



Add explicit min/max bus votes to dtsi file for VBIF based bus DCVS.

Change-Id: I6ea44bd42ed9f50e9b31a106d695f243d63326d4
Signed-off-by: default avatarOleg Perelet <operelet@codeaurora.org>
parent 512860c2

arch/arm/boot/dts/qcom/msm8992-gpu.dtsi

+40 −65
Original line number Diff line number Diff line
@@ -70,39 +70,17 @@ 
                 * (gpu-bus frequency combination)

                 */

		qcom,msm-bus,name = "grp3d";

		qcom,msm-bus,num-cases = <18>;

		qcom,msm-bus,num-cases = <8>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps =

				<26 512 0 0>,



				/* gpu = 180 */

				<26 512 0 1600000>,  /*1 bus=200 */

				<26 512 0 2400000>,  /*2 bus=300 */

				<26 512 0 3680000>,  /*3 bus=460 */



				/* gpu = 300 */

				<26 512 0 2400000>,  /*4 bus=300 */

				<26 512 0 3680000>,  /*5 bus=460 */

				<26 512 0 4376000>,  /*6 bus=547 */



				/* gpu = 367 */

				<26 512 0 3680000>,  /*7 bus=460 */

				<26 512 0 4376000>,  /*8 bus=547 */

				<26 512 0 5528000>,  /*9 bus=691 */



				/* gpu = 450 */

				<26 512 0 4376000>,  /*10 bus=547 */

				<26 512 0 5528000>,  /*11 bus=691 */

				<26 512 0 6216000>,  /*12 bus=777 */



				/* gpu = 490 */

				<26 512 0 5528000>,  /*13 bus=691 */

				<26 512 0 6216000>,  /*14 bus=777 */

				<26 512 0 7448000>,  /*15 bus=931 */



				/* gpu = 600 */

				<26 512 0 6216000>,  /*16 bus=777 */

				<26 512 0 7448000>;  /*17 bus=931 */

				<26 512 0 4376000>,  /*4 bus=547 */

				<26 512 0 5528000>,  /*5 bus=691 */

				<26 512 0 6216000>,  /*6 bus=777 */

				<26 512 0 7448000>;  /*7 bus=931 */



		/* GDSC oxili regulators */

		vddcx-supply = <&gdsc_oxili_cx>;
@@ -129,43 +107,57 @@ 
			qcom,gpu-pwrlevel@0 {

				reg = <0>;

				qcom,gpu-freq = <600000000>;

				qcom,bus-freq = <17>;

				qcom,bus-freq = <7>;

				qcom,bus-min = <6>;

				qcom,bus-max = <7>;

			};



                        qcom,gpu-pwrlevel@1 {

                                reg = <1>;

                                qcom,gpu-freq = <490000000>;

				qcom,bus-freq = <14>;

                                qcom,bus-freq = <6>;

				qcom,bus-min = <5>;

				qcom,bus-max = <7>;

                        };



			qcom,gpu-pwrlevel@2 {

				reg = <2>;

				qcom,gpu-freq = <450000000>;

				qcom,bus-freq = <11>;

				qcom,bus-freq = <5>;

				qcom,bus-min = <4>;

				qcom,bus-max = <6>;

			};



                        qcom,gpu-pwrlevel@3 {

                                reg = <3>;

                                qcom,gpu-freq = <367000000>;

				qcom,bus-freq = <8>;

                                qcom,bus-freq = <4>;

				qcom,bus-min = <3>;

				qcom,bus-max = <5>;

                        };



			qcom,gpu-pwrlevel@4 {

				reg = <4>;

				qcom,gpu-freq = <300000000>;

				qcom,bus-freq = <5>;

				qcom,bus-freq = <3>;

				qcom,bus-min = <2>;

				qcom,bus-max = <4>;

			};



			qcom,gpu-pwrlevel@5 {

				reg = <5>;

				qcom,gpu-freq = <180000000>;

				qcom,bus-freq = <2>;

				qcom,bus-min = <1>;

				qcom,bus-max = <3>;

			};



			qcom,gpu-pwrlevel@6 {

				reg = <6>;

				qcom,gpu-freq = <27000000>;

				qcom,bus-freq = <0>;

				qcom,bus-min = <0>;

				qcom,bus-max = <0>;

			};

		};
@@ -177,33 +169,16 @@ 
                 */

                qcom,ocmem-bus-client {

                        qcom,msm-bus,name = "gpu-ocmem";

                        qcom,msm-bus,num-cases = <18>;

                        qcom,msm-bus,num-cases = <8>;

                        qcom,msm-bus,num-paths = <1>;

                        qcom,msm-bus,vectors-KBps =

                                <89 662 0 0>,



                                <89 662 0 2880000>,     /* gpu=180 */

                                <89 662 0 2880000>,     /* gpu=180 */

                                <89 662 0 2880000>,     /* gpu=180 */



                                <89 662 0 4800000>,     /* gpu=300 */

                                <89 662 0 4800000>,     /* gpu=300 */

                                <89 662 0 4800000>,     /* gpu=300 */



                                <89 662 0 5872000>,     /* gpu=367 */

                                <89 662 0 5872000>,     /* gpu=367 */

                                <89 662 0 5872000>,     /* gpu=367 */



                                <89 662 0 7200000>,     /* gpu=450 */

                                <89 662 0 7200000>,     /* gpu=450 */

                                <89 662 0 7200000>,     /* gpu=450 */



                                <89 662 0 7840000>,     /* gpu=490 */

                                <89 662 0 7840000>,     /* gpu=490 */

                                <89 662 0 7840000>,     /* gpu=490 */



				<89 662 0 9600000>,     /* gpu=600 */

                                <89 662 0 9600000>;     /* gpu=600 */

				<89 662 0 7840000>,     /* gpu=490 */

				<89 662 0 7200000>,     /* gpu=450 */

				<89 662 0 5872000>,     /* gpu=367 */

				<89 662 0 4800000>,     /* gpu=300 */

				<89 662 0 2880000>,     /* gpu=180 */

                                <89 662 0 0>;

                };

	};

};

arch/arm/boot/dts/qcom/msm8994-gpu.dtsi

+28 −36
Original line number Diff line number Diff line
@@ -84,25 +84,18 @@ 
		 * (gpu-bus frequency combination)

		 */

		qcom,msm-bus,name = "grp3d";

		qcom,msm-bus,num-cases = <12>;

		qcom,msm-bus,num-cases = <9>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps =

				<26 512 0 0>,



				<26 512 0 1200000>,  /* gpu=150 bus=150 */

				<26 512 0 2400000>,  /* gpu=150 bus=300 */

				<26 512 0 3200000>,  /* gpu=150 bus=400 */



				<26 512 0 2400000>,  /* gpu=300 bus=300 */

				<26 512 0 4224000>,  /* gpu=300 bus=528 */

				<26 512 0 5376000>,  /* gpu=300 bus=672 */



				<26 512 0 5376000>,  /* gpu=400 bus=672 */

				<26 512 0 6681600>,  /* gpu=400 bus=835.2  */

				<26 512 0 8448000>,  /* gpu=400 bus=1056   */



				<26 512 0 8448000>,  /* gpu=600 bus=1056   */

				<26 512 0 12748800>; /* gpu=600 bus=1593.6 */

				<26 512 0 1200000>,  /* 1 bus=150 */

				<26 512 0 2400000>,  /* 2 bus=300 */

				<26 512 0 3200000>,  /* 3 bus=460 */

				<26 512 0 4224000>,  /* 4 bus=533 */

				<26 512 0 5376000>,  /* 5 bus=672 */

				<26 512 0 6681600>,  /* 6 bus=777  */

				<26 512 0 8448000>,  /* 7 bus=1036 */

				<26 512 0 12748800>; /* 8 bus=1555 */



		/* GDSC oxili regulators */

		vddcx-supply = <&gdsc_oxili_cx>;
@@ -129,30 +122,40 @@ 
			qcom,gpu-pwrlevel@0 {

				reg = <0>;

				qcom,gpu-freq = <600000000>;

				qcom,bus-freq = <11>;

				qcom,bus-freq = <8>;

				qcom,bus-min = <7>;

				qcom,bus-max = <8>;

			};



			qcom,gpu-pwrlevel@1 {

				reg = <1>;

				qcom,gpu-freq = <400000000>;

				qcom,bus-freq = <8>;

				qcom,bus-freq = <6>;

				qcom,bus-min = <5>;

				qcom,bus-max = <7>;

			};



			qcom,gpu-pwrlevel@2 {

				reg = <2>;

				qcom,gpu-freq = <300000000>;

				qcom,bus-freq = <5>;

				qcom,bus-freq = <4>;

				qcom,bus-min = <2>;

				qcom,bus-max = <5>;

			};



			qcom,gpu-pwrlevel@3 {

				reg = <3>;

				qcom,gpu-freq = <150000000>;

				qcom,bus-freq = <2>;

				qcom,bus-min = <1>;

				qcom,bus-max = <3>;

			};



			qcom,gpu-pwrlevel@4 {

				reg = <4>;

				qcom,gpu-freq = <27000000>;

				qcom,bus-min = <0>;

				qcom,bus-max = <0>;

				qcom,bus-freq = <0>;

			};

		};
@@ -165,25 +168,14 @@ 
		 */

		qcom,ocmem-bus-client {

                        qcom,msm-bus,name = "gpu-ocmem";

                        qcom,msm-bus,num-cases = <12>;

                        qcom,msm-bus,num-cases = <5>;

                        qcom,msm-bus,num-paths = <1>;

                        qcom,msm-bus,vectors-KBps =

                                <89 662 0 0>,



                                <89 662 0 2400000>,     /* gpu=150 */

                                <89 662 0 2400000>,     /* gpu=150 */

                                <89 662 0 2400000>,     /* gpu=150 */



                                <89 662 0 4800000>,     /* gpu=300 */

                                <89 662 0 4800000>,     /* gpu=300 */

                                <89 662 0 4800000>,     /* gpu=300 */



                                <89 662 0 6400000>,     /* gpu=400 */

                                <89 662 0 6400000>,     /* gpu=400 */

                                <89 662 0 6400000>,     /* gpu=400 */



				<89 662 0 9600000>,     /* gpu=600 */

                                <89 662 0 9600000>;     /* gpu=600 */

				<89 662 0 6400000>,     /* gpu=400 */

				<89 662 0 4800000>,     /* gpu=300 */

				<89 662 0 2400000>,     /* gpu=150 */

                                <89 662 0 0>;

                };

	};

};

arch/arm/boot/dts/qcom/msm8994-v2.dtsi

+38 −69
Original line number Diff line number Diff line
@@ -305,39 +305,18 @@ 
	qcom,chipid = <0x04030001>;



	qcom,initial-pwrlevel = <4>;

	qcom,msm-bus,num-cases = <19>;

	qcom,msm-bus,num-cases = <10>;

	qcom,msm-bus,vectors-KBps =

		<26 512 0 0>,



			/* gpu = 190 */

			<26 512 0 1600000>,  /* bus=200  */

			<26 512 0 2400000>,  /* bus=300  */

			<26 512 0 3680000>,  /* bus=460  */



			/* gpu = 305 */

			<26 512 0 2400000>,  /* bus=300  */

			<26 512 0 3680000>,  /* bus=460  */

			<26 512 0 4376000>,  /* bus=547  */



			/* gpu = 390 */

			<26 512 0 4376000>,  /* bus=547  */

			<26 512 0 5528000>,  /* bus=691  */

			<26 512 0 6216000>,  /* bus=777  */



			/* gpu = 450 */

			<26 512 0 5528000>,  /* bus=691  */

			<26 512 0 6216000>,  /* bus=777  */

			<26 512 0 8288000>,  /* bus=1036 */



			/* gpu = 510 */

			<26 512 0 6216000>,  /* bus=777  */

			<26 512 0 8288000>,  /* bus=1036 */

			<26 512 0 10368000>, /* bus=1296 */



			/* gpu = 600 */

			<26 512 0 8288000>,  /* bus=1036 */

			<26 512 0 10368000>, /* bus=1296 */

			<26 512 0 12440000>; /* bus=1555 */

		<26 512 0 1600000>,  /* 1 bus=200  */

		<26 512 0 2400000>,  /* 2 bus=300  */

		<26 512 0 3680000>,  /* 3 bus=460  */

		<26 512 0 4376000>,  /* 4 bus=547  */

		<26 512 0 5528000>,  /* 5 bus=691  */

		<26 512 0 6216000>,  /* 6 bus=777  */

		<26 512 0 8288000>,  /* 7 bus=1036 */

		<26 512 0 10368000>, /* 8 bus=1296 */

		<26 512 0 12440000>; /* 9 bus=1555 */



	/* Power levels */

	qcom,gpu-pwrlevels {
@@ -349,41 +328,55 @@ 
		qcom,gpu-pwrlevel@0 {

			reg = <0>;

			qcom,gpu-freq = <600000000>;

			qcom,bus-freq = <17>;

			qcom,bus-freq = <8>;

			qcom,bus-min = <7>;

			qcom,bus-max = <9>;

		};



		qcom,gpu-pwrlevel@1 {

			reg = <1>;

			qcom,gpu-freq = <510000000>;

			qcom,bus-freq = <14>;

			qcom,bus-freq = <7>;

			qcom,bus-min = <6>;

			qcom,bus-max = <8>;

		};



		qcom,gpu-pwrlevel@2 {

			reg = <2>;

			qcom,gpu-freq = <450000000>;

			qcom,bus-freq = <11>;

			qcom,bus-freq = <6>;

			qcom,bus-min = <5>;

			qcom,bus-max = <7>;

		};



		qcom,gpu-pwrlevel@3 {

			reg = <3>;

			qcom,gpu-freq = <390000000>;

			qcom,bus-freq = <8>;

			qcom,bus-freq = <5>;

			qcom,bus-min = <4>;

			qcom,bus-max = <6>;

		};



		qcom,gpu-pwrlevel@4 {

			reg = <4>;

			qcom,gpu-freq = <305000000>;

			qcom,bus-freq = <5>;

			qcom,bus-freq = <3>;

			qcom,bus-min = <2>;

			qcom,bus-max = <4>;

		};

		qcom,gpu-pwrlevel@5 {

			reg = <5>;

			qcom,gpu-freq = <190000000>;

			qcom,bus-freq = <2>;

			qcom,bus-min = <1>;

			qcom,bus-max = <3>;

		};

		qcom,gpu-pwrlevel@6 {

			reg = <6>;

			qcom,gpu-freq = <27000000>;

			qcom,bus-freq = <0>;

			qcom,bus-min = <0>;

			qcom,bus-max = <0>;

		};

	};
@@ -395,40 +388,16 @@ 
	 */

	qcom,ocmem-bus-client {

                qcom,msm-bus,name = "gpu-ocmem";

                qcom,msm-bus,num-cases = <19>;

                qcom,msm-bus,num-cases = <7>;

                qcom,msm-bus,num-paths = <1>;

                qcom,msm-bus,vectors-KBps =

			<89 662 0 0>,



			/* gpu = 190 */

			<89 662 0 3040000>,

			<89 662 0 3040000>,

			<89 662 0 3040000>,



			/* gpu = 305 */

			<89 662 0 4880000>,

			<89 662 0 4880000>,

			<89 662 0 4880000>,



			/* gpu = 390 */

			<89 662 0 6240000>,

			<89 662 0 6240000>,

			<89 662 0 6240000>,



			/* gpu = 450 */

			<89 662 0 7200000>,

			<89 662 0 7200000>,

			<89 662 0 7200000>,



			/* gpu = 510 */

			<89 662 0 8160000>,

			<89 662 0 8160000>,

			<89 662 0 8160000>,



			/* gpu = 600 */

			<89 662 0 9600000>,

			<89 662 0 9600000>,

			<89 662 0 9600000>;

			<89 662 0 9600000>, /* gpu= 600 */

			<89 662 0 8160000>, /* gpu= 510 */

			<89 662 0 7200000>, /* gpu= 450 */

			<89 662 0 6240000>, /* gpu= 390 */

			<89 662 0 4880000>, /* gpu= 305 */

			<89 662 0 3040000>, /* gpu= 190 */

			<89 662 0 0>;

	};

};

drivers/gpu/msm/kgsl_pwrctrl.c

+7 −4
Original line number Diff line number Diff line
@@ -216,8 +216,9 @@ void kgsl_pwrctrl_buslevel_update(struct kgsl_device *device, 
	last_vote_buslevel = buslevel;

	/* buslevel is the IB vote, update the AB */

	_ab_buslevel_update(pwr, &ab);

	/* vote for ocmem */

	msm_bus_scale_client_update_request(pwr->pcl, buslevel);

	/* vote for ocmem, shut down based on "on" parameter */

	msm_bus_scale_client_update_request(pwr->pcl,

		on ? pwr->active_pwrlevel : pwr->num_pwrlevels - 1);

	/* ask a governor to vote on behalf of us */

	devfreq_vbif_update_bw(ib_votes[last_vote_buslevel], ab);

}
@@ -1446,6 +1447,7 @@ int kgsl_pwrctrl_init(struct kgsl_device *device) 
	 * file.

	 */

	freq_i = pwr->min_pwrlevel;

	if (set_bus == 1)

		pwr->pwrlevels[freq_i].bus_min = 1;



	/*
@@ -1501,6 +1503,7 @@ int kgsl_pwrctrl_init(struct kgsl_device *device) 
			}

		}

	}

	if (set_bus == 1)

		pwr->pwrlevels[0].bus_max = i - 1;



	INIT_WORK(&pwr->thermal_cycle_ws, kgsl_thermal_cycle);