gpu: nvgpu: Update volt pwm source & raw period

- calculate raw period as per pwm source
- update pwm source for logic & sram rails.

JIRA DNVGPU-123

Change-Id: I50b41d51b6aba760710700522dced7859f815463
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1227626
(cherry picked from commit 6eb5a235dd7bf9031ef1bcfadd6312a2f8758fd4)
Reviewed-on: http://git-master/r/1244663
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/volt/volt_dev.c b/drivers/gpu/nvgpu/volt/volt_dev.c
index 89040658..3a7ed1b5 100644
--- a/drivers/gpu/nvgpu/volt/volt_dev.c
+++ b/drivers/gpu/nvgpu/volt/volt_dev.c
@@ -26,7 +26,6 @@
 #include "include/bios.h"
 #include "volt.h"
 
-#define RAW_PERIOD      160
 #define VOLT_DEV_PWM_VOLTAGE_STEPS_INVALID      0
 #define VOLT_DEV_PWM_VOLTAGE_STEPS_DEFAULT      1
 
@@ -257,17 +256,24 @@ static u32 volt_get_voltage_device_table_1x_psv(struct gk20a *g,
 
         if (ptmp_dev->super.operation_type ==
                         CTRL_VOLT_DEVICE_OPERATION_TYPE_DEFAULT) {
-                ptmp_dev->source = NV_PMU_PMGR_PWM_SOURCE_THERM_VID_PWM_1;
+                if (volt_domain == CTRL_VOLT_DOMAIN_LOGIC)
+                        ptmp_dev->source =
+                                NV_PMU_PMGR_PWM_SOURCE_THERM_VID_PWM_0;
+                if (volt_domain == CTRL_VOLT_DOMAIN_SRAM)
+                        ptmp_dev->source =
+                                NV_PMU_PMGR_PWM_SOURCE_THERM_VID_PWM_1;
+                ptmp_dev->raw_period =
+                        g->ops.clk.get_crystal_clk_hz(g) / frequency_hz;
         } else if (ptmp_dev->super.operation_type ==
                 CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_STEADY_STATE) {
                 ptmp_dev->source = NV_PMU_PMGR_PWM_SOURCE_RSVD_0;
+                ptmp_dev->raw_period = 0;
         } else if (ptmp_dev->super.operation_type ==
                 CTRL_VOLT_DEVICE_OPERATION_TYPE_LPWR_SLEEP_STATE) {
                 ptmp_dev->source = NV_PMU_PMGR_PWM_SOURCE_RSVD_1;
+                ptmp_dev->raw_period = 0;
         }
 
-        ptmp_dev->raw_period = RAW_PERIOD;
-
         /* Initialize data for parent class. */
         ptmp_dev->super.super.type = CTRL_VOLT_DEVICE_TYPE_PWM;
         ptmp_dev->super.volt_domain = volt_domain;