[PATCH v1] memory: mtk-smi: Add ostd setting for mt8186
Friday Yang
friday.yang at mediatek.com
Wed May 21 02:16:16 PDT 2025
Add initial ostd setting for mt8186. All the settings come from DE.
These settings help adjust Multimedia HW's bandwidth limits to achieve
a balanced bandwidth requirement. Without this, the VENC HW works
abnormal while stress testing.
Fixes: 86a010bfc739 ("memory: mtk-smi: mt8186: Add smi support")
Signed-off-by: Friday Yang <friday.yang at mediatek.com>
---
drivers/memory/mtk-smi.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index c086c22511f7..733e22f695ab 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -320,6 +320,38 @@ static const u8 mtk_smi_larb_mt6893_ostd[][SMI_LARB_PORT_NR_MAX] = {
[20] = {0x9, 0x9, 0x5, 0x5, 0x1, 0x1},
};
+static const u8 mtk_smi_larb_mt8186_ostd[][SMI_LARB_PORT_NR_MAX] = {
+ [0] = {0x2, 0x1, 0x8, 0x1,},
+ [1] = {0x1, 0x3, 0x1, 0x1,},
+ [2] = {0x6, 0x1, 0x4, 0x1,},
+ [3] = {},
+ [4] = {0xf, 0x1, 0x5, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1,
+ 0x1, 0x1, 0x1,},
+ [5] = {},
+ [6] = {},
+ [7] = {0x1, 0x3, 0x1, 0x1, 0x1, 0x3, 0x2, 0xd, 0x7, 0x5, 0x3,
+ 0x1, 0x5,},
+ [8] = {0x1, 0x2, 0x2,},
+ [9] = {0x9, 0x7, 0xf, 0x8, 0x1, 0x8, 0x9, 0x3, 0x3, 0xb, 0x7, 0x4,
+ 0x9, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1,
+ 0x1, 0x1, 0x1, 0x1, 0x1,},
+ [10] = {},
+ [11] = {0x9, 0x7, 0xf, 0x8, 0x1, 0x8, 0x9, 0x3, 0x3, 0xb, 0x7, 0x4,
+ 0x9, 0x1, 0x1, 0x1, 0x1, 0x1, 0x8, 0x7, 0x7, 0x1, 0x6, 0x2,
+ 0xf, 0x8, 0x1, 0x1, 0x1,},
+ [12] = {},
+ [13] = {0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x6, 0x6, 0x6, 0x1, 0x1, 0x1,},
+ [14] = {0x1, 0x1, 0x1, 0x1, 0x1, 0x1,},
+ [15] = {},
+ [16] = {0x28, 0x14, 0x2, 0xc, 0x18, 0x1, 0x14, 0x1, 0x4, 0x4, 0x4,
+ 0x2, 0x4, 0x2, 0x8, 0x4, 0x4,},
+ [17] = {0x28, 0x14, 0x2, 0xc, 0x18, 0x1, 0x14, 0x1, 0x4, 0x4, 0x4,
+ 0x2, 0x4, 0x2, 0x8, 0x4, 0x4,},
+ [18] = {},
+ [19] = {0x1, 0x1, 0x1, 0x1,},
+ [20] = {0x2, 0x2, 0x2, 0x2, 0x1, 0x1,},
+};
+
static const u8 mtk_smi_larb_mt8188_ostd[][SMI_LARB_PORT_NR_MAX] = {
[0] = {0x02, 0x18, 0x22, 0x22, 0x01, 0x02, 0x0a,},
[1] = {0x12, 0x02, 0x14, 0x14, 0x01, 0x18, 0x0a,},
@@ -491,6 +523,7 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8183 = {
static const struct mtk_smi_larb_gen mtk_smi_larb_mt8186 = {
.config_port = mtk_smi_larb_config_port_gen2_general,
.flags_general = MTK_SMI_FLAG_SLEEP_CTL,
+ .ostd = mtk_smi_larb_mt8186_ostd,
};
static const struct mtk_smi_larb_gen mtk_smi_larb_mt8188 = {
--
2.46.0
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