linux-kernel - [PATCH] scsi: ufs: qcom: Add missing interconnect bandwidth values for Gear 5

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Message-Id: <20240401-ufs-icc-fix-v1-1-3bac41bdfa7a@linaro.org>
Date: Mon, 01 Apr 2024 20:39:08 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 "James E.J. Bottomley" <jejb@...ux.ibm.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Amit Pundir <amit.pundir@...aro.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH] scsi: ufs: qcom: Add missing interconnect bandwidth values
 for Gear 5

These entries are necessary to scale the interconnect bandwidth while
operating in Gear 5.

Cc: Amit Pundir <amit.pundir@...aro.org>
Fixes: 03ce80a1bb86 ("scsi: ufs: qcom: Add support for scaling interconnects")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 drivers/ufs/host/ufs-qcom.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 8d68bd21ae73..696540ca835e 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -47,7 +47,7 @@ enum {
 	TSTBUS_MAX,
 };
 
-#define QCOM_UFS_MAX_GEAR 4
+#define QCOM_UFS_MAX_GEAR 5
 #define QCOM_UFS_MAX_LANE 2
 
 enum {
@@ -67,26 +67,32 @@ static const struct __ufs_qcom_bw_table {
 	[MODE_PWM][UFS_PWM_G2][UFS_LANE_1] = { 1844,		1000 },
 	[MODE_PWM][UFS_PWM_G3][UFS_LANE_1] = { 3688,		1000 },
 	[MODE_PWM][UFS_PWM_G4][UFS_LANE_1] = { 7376,		1000 },
+	[MODE_PWM][UFS_PWM_G5][UFS_LANE_1] = { 14752,		1000 },
 	[MODE_PWM][UFS_PWM_G1][UFS_LANE_2] = { 1844,		1000 },
 	[MODE_PWM][UFS_PWM_G2][UFS_LANE_2] = { 3688,		1000 },
 	[MODE_PWM][UFS_PWM_G3][UFS_LANE_2] = { 7376,		1000 },
 	[MODE_PWM][UFS_PWM_G4][UFS_LANE_2] = { 14752,		1000 },
+	[MODE_PWM][UFS_PWM_G5][UFS_LANE_2] = { 29504,		1000 },
 	[MODE_HS_RA][UFS_HS_G1][UFS_LANE_1] = { 127796,		1000 },
 	[MODE_HS_RA][UFS_HS_G2][UFS_LANE_1] = { 255591,		1000 },
 	[MODE_HS_RA][UFS_HS_G3][UFS_LANE_1] = { 1492582,	102400 },
 	[MODE_HS_RA][UFS_HS_G4][UFS_LANE_1] = { 2915200,	204800 },
+	[MODE_HS_RA][UFS_HS_G5][UFS_LANE_1] = { 5836800,	409600 },
 	[MODE_HS_RA][UFS_HS_G1][UFS_LANE_2] = { 255591,		1000 },
 	[MODE_HS_RA][UFS_HS_G2][UFS_LANE_2] = { 511181,		1000 },
 	[MODE_HS_RA][UFS_HS_G3][UFS_LANE_2] = { 1492582,	204800 },
 	[MODE_HS_RA][UFS_HS_G4][UFS_LANE_2] = { 2915200,	409600 },
+	[MODE_HS_RA][UFS_HS_G5][UFS_LANE_2] = { 5836800,	819200 },
 	[MODE_HS_RB][UFS_HS_G1][UFS_LANE_1] = { 149422,		1000 },
 	[MODE_HS_RB][UFS_HS_G2][UFS_LANE_1] = { 298189,		1000 },
 	[MODE_HS_RB][UFS_HS_G3][UFS_LANE_1] = { 1492582,	102400 },
 	[MODE_HS_RB][UFS_HS_G4][UFS_LANE_1] = { 2915200,	204800 },
+	[MODE_HS_RB][UFS_HS_G5][UFS_LANE_1] = { 5836800,	409600 },
 	[MODE_HS_RB][UFS_HS_G1][UFS_LANE_2] = { 298189,		1000 },
 	[MODE_HS_RB][UFS_HS_G2][UFS_LANE_2] = { 596378,		1000 },
 	[MODE_HS_RB][UFS_HS_G3][UFS_LANE_2] = { 1492582,	204800 },
 	[MODE_HS_RB][UFS_HS_G4][UFS_LANE_2] = { 2915200,	409600 },
+	[MODE_HS_RB][UFS_HS_G5][UFS_LANE_2] = { 5836800,	819200 },
 	[MODE_MAX][0][0]		    = { 7643136,	307200 },
 };
 

---
base-commit: 4cece764965020c22cff7665b18a012006359095
change-id: 20240401-ufs-icc-fix-123c7ca1be45

Best regards,
-- 
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>