From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
Jonathan Marek <jonathan@marek.ca>
Cc: Stephen Boyd <sboyd@kernel.org>, David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel@ffwll.ch>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org
Subject: [RFC 04/24] drm/msm/dsi: move min/max PLL rate to phy config
Date: Tue, 2 Mar 2021 02:24:47 +0300 [thread overview]
Message-ID: <20210301232506.3057401-5-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20210301232506.3057401-1-dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 3 +++
drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 6 ++++--
drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 6 ++++--
drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 10 ++++++----
drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 4 ++--
drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 12 ++++--------
drivers/gpu/drm/msm/dsi/phy/dsi_pll.c | 8 ++++----
drivers/gpu/drm/msm/dsi/phy/dsi_pll.h | 3 ---
8 files changed, 27 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index 45ab2f23ac5b..ce2969c63927 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -43,6 +43,9 @@ struct msm_dsi_phy_cfg {
struct msm_dsi_phy_ops ops;
const struct msm_dsi_pll_ops pll_ops;
+ unsigned long min_pll_rate;
+ unsigned long max_pll_rate;
+
/*
* Each cell {phy_id, pll_id} of the truth table indicates
* if the source PLL selection bit should be set for each PHY.
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index 49eb1440a269..799d7f44cf6d 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -861,8 +861,6 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy *phy)
spin_lock_init(&pll_10nm->postdiv_lock);
pll = &pll_10nm->base;
- pll->min_rate = 1000000000UL;
- pll->max_rate = 3500000000UL;
pll->cfg = phy->cfg;
pll_10nm->vco_delay = 1;
@@ -1126,6 +1124,8 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = {
.restore_state = dsi_pll_10nm_restore_state,
.set_usecase = dsi_pll_10nm_set_usecase,
},
+ .min_pll_rate = 1000000000UL,
+ .max_pll_rate = 3500000000UL,
.io_start = { 0xae94400, 0xae96400 },
.num_dsi_phy = 2,
};
@@ -1152,6 +1152,8 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = {
.restore_state = dsi_pll_10nm_restore_state,
.set_usecase = dsi_pll_10nm_set_usecase,
},
+ .min_pll_rate = 1000000000UL,
+ .max_pll_rate = 3500000000UL,
.io_start = { 0xc994400, 0xc996400 },
.num_dsi_phy = 2,
.quirks = V3_0_0_10NM_OLD_TIMINGS_QUIRK,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
index 82e5d225d83e..cd66b01ad17d 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -1078,8 +1078,6 @@ static int dsi_pll_14nm_init(struct msm_dsi_phy *phy)
spin_lock_init(&pll_14nm->postdiv_lock);
pll = &pll_14nm->base;
- pll->min_rate = VCO_MIN_RATE;
- pll->max_rate = VCO_MAX_RATE;
pll->cfg = phy->cfg;
pll_14nm->vco_delay = 1;
@@ -1253,6 +1251,8 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = {
.disable_seq = dsi_pll_14nm_disable_seq,
.enable_seq = dsi_pll_14nm_enable_seq,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0x994400, 0x996400 },
.num_dsi_phy = 2,
};
@@ -1281,6 +1281,8 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = {
.disable_seq = dsi_pll_14nm_disable_seq,
.enable_seq = dsi_pll_14nm_enable_seq,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0xc994400, 0xc996000 },
.num_dsi_phy = 2,
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index 7330672d95c0..4ddb68f5a82a 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -622,8 +622,6 @@ static int dsi_pll_28nm_hpm_init(struct msm_dsi_phy *phy)
}
pll = &pll_28nm->base;
- pll->min_rate = VCO_MIN_RATE;
- pll->max_rate = VCO_MAX_RATE;
pll_28nm->vco_delay = 1;
pll->cfg = phy->cfg;
@@ -664,8 +662,6 @@ static int dsi_pll_28nm_lp_init(struct msm_dsi_phy *phy)
}
pll = &pll_28nm->base;
- pll->min_rate = VCO_MIN_RATE;
- pll->max_rate = VCO_MAX_RATE;
pll_28nm->vco_delay = 1000;
pll->cfg = phy->cfg;
@@ -849,6 +845,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
.disable_seq = dsi_pll_28nm_disable_seq,
.enable_seq = dsi_pll_28nm_enable_seq_hpm,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0xfd922b00, 0xfd923100 },
.num_dsi_phy = 2,
};
@@ -876,6 +874,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
.disable_seq = dsi_pll_28nm_disable_seq,
.enable_seq = dsi_pll_28nm_enable_seq_hpm,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0x1a94400, 0x1a96400 },
.num_dsi_phy = 2,
};
@@ -903,6 +903,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
.disable_seq = dsi_pll_28nm_disable_seq,
.enable_seq = dsi_pll_28nm_enable_seq_lp,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0x1a98500 },
.num_dsi_phy = 1,
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index d6f8b1ee868b..bd2582575a07 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -508,8 +508,6 @@ static int dsi_pll_28nm_8960_init(struct msm_dsi_phy *phy)
}
pll = &pll_28nm->base;
- pll->min_rate = VCO_MIN_RATE;
- pll->max_rate = VCO_MAX_RATE;
pll->cfg = phy->cfg;
@@ -712,6 +710,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = {
.disable_seq = dsi_pll_28nm_disable_seq,
.enable_seq = dsi_pll_28nm_enable_seq,
},
+ .min_pll_rate = VCO_MIN_RATE,
+ .max_pll_rate = VCO_MAX_RATE,
.io_start = { 0x4700300, 0x5800300 },
.num_dsi_phy = 2,
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index e12f2f7a54ea..5e53682c4275 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -886,14 +886,6 @@ static int dsi_pll_7nm_init(struct msm_dsi_phy *phy)
spin_lock_init(&pll_7nm->postdiv_lock);
pll = &pll_7nm->base;
- pll->min_rate = 1000000000UL;
- pll->max_rate = 3500000000UL;
- if (phy->cfg->type == MSM_DSI_PHY_7NM_V4_1) {
- pll->min_rate = 600000000UL;
- pll->max_rate = (unsigned long)5000000000ULL;
- /* workaround for max rate overflowing on 32-bit builds: */
- pll->max_rate = max(pll->max_rate, 0xffffffffUL);
- }
pll->cfg = phy->cfg;
pll_7nm->vco_delay = 1;
@@ -1165,6 +1157,8 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = {
.restore_state = dsi_pll_7nm_restore_state,
.set_usecase = dsi_pll_7nm_set_usecase,
},
+ .min_pll_rate = 1000000000UL,
+ .max_pll_rate = 3500000000UL,
.io_start = { 0xae94400, 0xae96400 },
.num_dsi_phy = 2,
};
@@ -1191,6 +1185,8 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = {
.restore_state = dsi_pll_7nm_restore_state,
.set_usecase = dsi_pll_7nm_set_usecase,
},
+ .min_pll_rate = 600000000UL,
+ .max_pll_rate = (5000000000ULL < ULONG_MAX) ? 5000000000ULL : ULONG_MAX,
.io_start = { 0xae94400, 0xae96400 },
.num_dsi_phy = 2,
};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
index c7ff0eba0e8b..e607adffe001 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c
@@ -14,10 +14,10 @@ long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw,
{
struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
- if (rate < pll->min_rate)
- return pll->min_rate;
- else if (rate > pll->max_rate)
- return pll->max_rate;
+ if (rate < pll->cfg->min_pll_rate)
+ return pll->cfg->min_pll_rate;
+ else if (rate > pll->cfg->max_pll_rate)
+ return pll->cfg->max_pll_rate;
else
return rate;
}
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
index 4fa73fbcba52..8306911f8318 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h
@@ -18,9 +18,6 @@ struct msm_dsi_pll {
bool pll_on;
bool state_saved;
- unsigned long min_rate;
- unsigned long max_rate;
-
const struct msm_dsi_phy_cfg *cfg;
};
--
2.30.0
next prev parent reply other threads:[~2021-03-02 7:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 23:24 [RFC 00/24] drm/msm/dsi: refactor MSM DSI PHY/PLL drivers Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 02/24] drm/msm/dsi: drop multiple pll enable_seq support Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 03/24] drm/msm/dsi: move all PLL callbacks into PHY config struct Dmitry Baryshkov
2021-03-01 23:24 ` Dmitry Baryshkov [this message]
2021-03-01 23:24 ` [RFC 05/24] drm/msm/dsi: remove msm_dsi_pll_set_usecase Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 06/24] drm/msm/dsi: stop setting clock parents manually Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 07/24] arm64: dts: qcom: sm8250: assign DSI clock source parents Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 08/24] drm/msm/dsi: push provided clocks handling into a generic code Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 09/24] clk: mux: provide devm_clk_hw_register_mux() Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 10/24] clk: divider: add devm_clk_hw_register_divider Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 11/24] drm/msm/dsi: use devm_clk_*register to registe DSI PHY clocks Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 12/24] drm/msm/dsi: use devm_of_clk_add_hw_provider Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 13/24] drm/msm/dsi: replace PHY's init callback with configurable data Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 14/24] drm/msm/dsi: make save/restore_state phy-level functions Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 15/24] drm/msm/dsi: limit vco_delay to 28nm PHY Dmitry Baryshkov
2021-03-01 23:24 ` [RFC 16/24] drm/msi/dsi: inline msm_dsi_pll_helper_clk_prepare/unprepare Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 17/24] drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 18/24] drm/msm/dsi: drop msm_dsi_pll abstracton Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 19/24] drm/msm/dsi: drop PLL accessor functions Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 20/24] drm/msm/dsi: move ioremaps to dsi_phy_driver_probe Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 21/24] drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 22/24] drm/msm/dsi: remove temp data from global pll structure Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 23/24] drm/msm/dsi: drop global msm_dsi_phy_type enumaration Dmitry Baryshkov
2021-03-01 23:25 ` [RFC 24/24] arm64: dts: qcom: sdm845: assign DSI clock source parents Dmitry Baryshkov
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