Re: [PATCH v4 4/5] arm64: dts: sdm845: Add OPP tables and power-domains for venus

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Hey Stan,

On 7/23/2020 11:36 PM, Stanimir Varbanov wrote:
Hi Rajendra,

After applying 2,3 and 4/5 patches on linaro-integration v5.8-rc2 I see
below messages on db845:

qcom-venus aa00000.video-codec: dev_pm_opp_set_rate: failed to find
current OPP for freq 533000097 (-34)

^^^ This one is new.

I was hoping to be able to reproduce this on the 845 mtp (I don't have
a db845), but I can;t seem to get venus working on mainline [1]
(neither with linux-next, nor with linaro integration)
Do you know if I might be missing some fix?


qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x30000

^^^ and this message is annoying, can we make it pr_debug in rpmh?

Sure, I'll send a patch for that and see what the rpmh owners have to say.

[1]

[    1.632147] qcom-venus aa00000.video-codec: Adding to iommu group 2
[    1.638920] qcom-venus aa00000.video-codec: non legacy binding
[    1.648313] ------------[ cut here ]------------
[    1.652976] video_cc_venus_ctl_axi_clk status stuck at 'off'
[    1.653068] WARNING: CPU: 7 PID: 1 at drivers/clk/qcom/clk-branch.c:92 clk_b8
[    1.667977] Modules linked in:
[    1.671076] CPU: 7 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc6-00254-gc43551
[    1.678704] Hardware name: Qualcomm Technologies, Inc. SDM845 MTP (DT)
[    1.685294] pstate: 60c00085 (nZCv daIf +PAN +UAO BTYPE=--)
[    1.690911] pc : clk_branch_toggle+0x14c/0x168
[    1.695397] lr : clk_branch_toggle+0x14c/0x168
[    1.699881] sp : ffff80001005b900
[    1.703232] x29: ffff80001005b900 x28: ffffb58586ac2f38
[    1.708594] x27: ffff0000f86c6d48 x26: ffffb58586f09000
[    1.713953] x25: ffffb585867c0bd8 x24: 0000000000000000
[    1.719312] x23: ffffb5858702df28 x22: ffffb58585a3c6a8
[    1.724672] x21: 0000000000000001 x20: ffffb58586f09000
[    1.730031] x19: 0000000000000000 x18: ffffb58586f09948
[    1.735390] x17: 0000000000000001 x16: 0000000000000019
[    1.740749] x15: ffff80009005b5a7 x14: 0000000000000006
[    1.746107] x13: ffff80001005b5b5 x12: ffffb58586f21d68
[    1.751466] x11: 0000000000000000 x10: 0000000005f5e0ff
[    1.756825] x9 : ffff80001005b900 x8 : 2766666f27207461
[    1.762184] x7 : 206b637574732073 x6 : ffffb58587141848
[    1.767543] x5 : 0000000000000000 x4 : 0000000000000000
[    1.772902] x3 : 00000000ffffffff x2 : ffff4a7b76cd8000
[    1.778261] x1 : ad405f90446fcf00 x0 : 0000000000000000
[    1.783624] Call trace:
[    1.786103]  clk_branch_toggle+0x14c/0x168
[    1.790241]  clk_branch2_enable+0x18/0x20
[    1.794306]  clk_core_enable+0x60/0xa8
[    1.798090]  clk_core_enable_lock+0x20/0x40
[    1.802316]  clk_enable+0x14/0x28
[    1.805682]  core_clks_enable+0x94/0xd8
[    1.809562]  core_power_v4+0x48/0x50
[    1.813178]  venus_runtime_resume+0x24/0x40
[    1.817417]  pm_generic_runtime_resume+0x28/0x40
[    1.822079]  __rpm_callback+0xa0/0x138
[    1.825861]  rpm_callback+0x24/0x98
[    1.829390]  rpm_resume+0x32c/0x490
[    1.832917]  __pm_runtime_resume+0x38/0x88
[    1.837051]  venus_probe+0x1f0/0x34c
[    1.840667]  platform_drv_probe+0x4c/0xa8
[    1.844727]  really_probe+0x100/0x388
[    1.848428]  driver_probe_device+0x54/0xb8
[    1.852563]  device_driver_attach+0x6c/0x78
[    1.856790]  __driver_attach+0xb0/0xf0
[    1.860576]  bus_for_each_dev+0x68/0xc8
[    1.864456]  driver_attach+0x20/0x28
[    1.868064]  bus_add_driver+0x148/0x200
[    1.871941]  driver_register+0x60/0x110
[    1.875819]  __platform_driver_register+0x44/0x50
[    1.880576]  qcom_venus_driver_init+0x18/0x20
[    1.884990]  do_one_initcall+0x58/0x1a0
[    1.888878]  kernel_init_freeable+0x1fc/0x28c
[    1.893292]  kernel_init+0x10/0x108
[    1.896821]  ret_from_fork+0x10/0x1c
[    1.900441] ---[ end trace f12a7e5e182f3e4e ]---
[    1.906415] qcom-venus: probe of aa00000.video-codec failed with error -16


On 7/23/20 2:26 PM, Rajendra Nayak wrote:
Add the OPP tables in order to be able to vote on the performance state of
a power-domain.

Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sdm845.dtsi | 40 ++++++++++++++++++++++++++++++++++--
  1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index e506793..5ca2265 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -3631,8 +3631,10 @@
  			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
  			power-domains = <&videocc VENUS_GDSC>,
  					<&videocc VCODEC0_GDSC>,
-					<&videocc VCODEC1_GDSC>;
-			power-domain-names = "venus", "vcodec0", "vcodec1";
+					<&videocc VCODEC1_GDSC>,
+					<&rpmhpd SDM845_CX>;
+			power-domain-names = "venus", "vcodec0", "vcodec1", "cx";
+			operating-points-v2 = <&venus_opp_table>;
  			clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
  				 <&videocc VIDEO_CC_VENUS_AHB_CLK>,
  				 <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
@@ -3654,6 +3656,40 @@
  			video-core1 {
  				compatible = "venus-encoder";
  			};
+
+			venus_opp_table: venus-opp-table {
+				compatible = "operating-points-v2";
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>;
+					required-opps = <&rpmhpd_opp_min_svs>;
+				};
+
+				opp-200000000 {
+					opp-hz = /bits/ 64 <200000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+				};
+
+				opp-320000000 {
+					opp-hz = /bits/ 64 <320000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+				};
+
+				opp-380000000 {
+					opp-hz = /bits/ 64 <380000000>;
+					required-opps = <&rpmhpd_opp_svs_l1>;
+				};
+
+				opp-444000000 {
+					opp-hz = /bits/ 64 <444000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+				};
+
+				opp-533000000 {
+					opp-hz = /bits/ 64 <533000000>;
+					required-opps = <&rpmhpd_opp_turbo>;
+				};
+			};
  		};
videocc: clock-controller@ab00000 {



--
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