From c2488fecba681d632a3dbb6b2f33c39df2cb7be9 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Mon, 24 Nov 2025 12:06:54 +0100 Subject: [PATCH] soc: mediatek: mtk-dvfsrc: Add and propagate DVFSRC bandwidth type In preparation for adding support for DVFSRC Version 4, add a new mtk_dvfsrc_bw_type enumeration, and propagate it from specific bw setting callbacks to __dvfsrc_set_dram_bw_v1(), which will use it to choose calculation multipliers and dividers in v4 callbacks. Signed-off-by: Nicolas Frattaroli Signed-off-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-dvfsrc.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/soc/mediatek/mtk-dvfsrc.c b/drivers/soc/mediatek/mtk-dvfsrc.c index 7708b07ab2d64..a684e405daf75 100644 --- a/drivers/soc/mediatek/mtk-dvfsrc.c +++ b/drivers/soc/mediatek/mtk-dvfsrc.c @@ -36,6 +36,13 @@ #define MTK_SIP_DVFSRC_INIT 0x0 #define MTK_SIP_DVFSRC_START 0x1 +enum mtk_dvfsrc_bw_type { + DVFSRC_BW_AVG, + DVFSRC_BW_PEAK, + DVFSRC_BW_HRT, + DVFSRC_BW_MAX, +}; + struct dvfsrc_bw_constraints { u16 max_dram_nom_bw; u16 max_dram_peak_bw; @@ -268,7 +275,7 @@ static void dvfsrc_set_vscp_level_v2(struct mtk_dvfsrc *dvfsrc, u32 level) } static void __dvfsrc_set_dram_bw_v1(struct mtk_dvfsrc *dvfsrc, u32 reg, - u16 max_bw, u16 min_bw, u64 bw) + int type, u16 max_bw, u16 min_bw, u64 bw) { u32 new_bw = (u32)div_u64(bw, 100 * 1000); @@ -285,21 +292,21 @@ static void dvfsrc_set_dram_bw_v1(struct mtk_dvfsrc *dvfsrc, u64 bw) { u64 max_bw = dvfsrc->dvd->bw_constraints->max_dram_nom_bw; - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_BW, DVFSRC_BW_AVG, max_bw, 0, bw); }; static void dvfsrc_set_dram_peak_bw_v1(struct mtk_dvfsrc *dvfsrc, u64 bw) { u64 max_bw = dvfsrc->dvd->bw_constraints->max_dram_peak_bw; - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_PEAK_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_PEAK_BW, DVFSRC_BW_PEAK, max_bw, 0, bw); } static void dvfsrc_set_dram_hrt_bw_v1(struct mtk_dvfsrc *dvfsrc, u64 bw) { u64 max_bw = dvfsrc->dvd->bw_constraints->max_dram_hrt_bw; - __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_HRT_BW, max_bw, 0, bw); + __dvfsrc_set_dram_bw_v1(dvfsrc, DVFSRC_SW_HRT_BW, DVFSRC_BW_HRT, max_bw, 0, bw); } static void dvfsrc_set_opp_level_v1(struct mtk_dvfsrc *dvfsrc, u32 level) -- 2.47.3