diff mbox series

[v14,5/9] soc: qcom: cpr-common: Add support for flat fuse adjustment

Message ID 20230217-topic-cpr3h-v14-5-9fd23241493d@linaro.org (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series Add support for Core Power Reduction v3, v4 and Hardened | expand

Commit Message

Konrad Dybcio Aug. 28, 2023, 11:42 a.m. UTC 
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>

CPR3 makes use of post-calculation flat value adjustments. Add the
necessary bits to the common functions to support it.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Konrad: separate this patch out of a bigger one]
Tested-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/genpd/qcom/cpr-common.c | 9 ++++++---
 drivers/genpd/qcom/cpr-common.h | 1 +
 2 files changed, 7 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/genpd/qcom/cpr-common.c b/drivers/genpd/qcom/cpr-common.c
index ea85f6b4bef8..44c681bbbf13 100644
--- a/drivers/genpd/qcom/cpr-common.c
+++ b/drivers/genpd/qcom/cpr-common.c
@@ -49,7 +49,7 @@  int cpr_populate_ring_osc_idx(struct device *dev,
 EXPORT_SYMBOL_GPL(cpr_populate_ring_osc_idx);
 
 static int cpr_read_fuse_uV(int init_v_width, int step_size_uV, int ref_uV,
-			    int step_volt, const char *init_v_efuse,
+			    int adj, int step_volt, const char *init_v_efuse,
 			    struct device *dev)
 {
 	int steps, uV;
@@ -67,6 +67,9 @@  static int cpr_read_fuse_uV(int init_v_width, int step_size_uV, int ref_uV,
 
 	uV = ref_uV + steps * step_size_uV;
 
+	/* Apply open-loop fixed adjustments to fused values */
+	uV += adj;
+
 	return DIV_ROUND_UP(uV, step_volt) * step_volt;
 }
 
@@ -119,8 +122,8 @@  int cpr_populate_fuse_common(struct device *dev,
 
 	/* Populate uV */
 	uV = cpr_read_fuse_uV(init_v_width, init_v_step,
-			      fdata->ref_uV, step_volt,
-			      cpr_fuse->init_voltage, dev);
+			      fdata->ref_uV, fdata->volt_oloop_adjust,
+			      step_volt, cpr_fuse->init_voltage, dev);
 	if (uV < 0)
 		return uV;
 
diff --git a/drivers/genpd/qcom/cpr-common.h b/drivers/genpd/qcom/cpr-common.h
index 1f2ebf9394cf..0aa227617d2f 100644
--- a/drivers/genpd/qcom/cpr-common.h
+++ b/drivers/genpd/qcom/cpr-common.h
@@ -22,6 +22,7 @@  struct fuse_corner_data {
 	int ref_uV;
 	int max_uV;
 	int min_uV;
+	int volt_oloop_adjust;
 	int max_volt_scale;
 	int max_quot_scale;
 	/* fuse quot */