From: Luben Tuikov <luben.tuikov@amd.com>
Date: Fri, 2 Jul 2021 23:58:42 +0000 (-0400)
Subject: drm/amd/pm: Add I2C quirk table to Aldebaran
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ae87df077554347e89d39a7383e74547401c7f5d;p=linux.git

drm/amd/pm: Add I2C quirk table to Aldebaran

Add I2C quirk table to Aldebaran.

Cc: Alexander Deucher <Alexander.Deucher@amd.com>
Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Cc: Lijo Lazar <Lijo.Lazar@amd.com>
Cc: John Clements <john.clements@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Lijo Lazar <Lijo.Lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index f30edf862b86d..c1c7aefa9d8fd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1509,6 +1509,14 @@ static const struct i2c_algorithm aldebaran_i2c_algo = {
 	.functionality = aldebaran_i2c_func,
 };
 
+static const struct i2c_adapter_quirks aldebaran_i2c_control_quirks = {
+	.flags = I2C_AQ_COMB | I2C_AQ_COMB_SAME_ADDR,
+	.max_read_len  = MAX_SW_I2C_COMMANDS,
+	.max_write_len = MAX_SW_I2C_COMMANDS,
+	.max_comb_1st_msg_len = 2,
+	.max_comb_2nd_msg_len = MAX_SW_I2C_COMMANDS - 2,
+};
+
 static int aldebaran_i2c_control_init(struct smu_context *smu, struct i2c_adapter *control)
 {
 	struct amdgpu_device *adev = to_amdgpu_device(control);
@@ -1519,6 +1527,7 @@ static int aldebaran_i2c_control_init(struct smu_context *smu, struct i2c_adapte
 	control->dev.parent = &adev->pdev->dev;
 	control->algo = &aldebaran_i2c_algo;
 	snprintf(control->name, sizeof(control->name), "AMDGPU SMU");
+	control->quirks = &aldebaran_i2c_control_quirks;
 
 	res = i2c_add_adapter(control);
 	if (res)