[RFC,04/24] drm/msm/dsi: move min/max PLL rate to phy config

Message ID	20210301232506.3057401-5-dmitry.baryshkov@linaro.org
State	Superseded
Headers	show Return-Path: <linux-arm-msm-owner@kernel.org> 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 Message-Id: <20210301232506.3057401-5-dmitry.baryshkov@linaro.org> In-Reply-To: <20210301232506.3057401-1-dmitry.baryshkov@linaro.org> References: <20210301232506.3057401-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	drm/msm/dsi: refactor MSM DSI PHY/PLL drivers \| expand [RFC,00/24] drm/msm/dsi: refactor MSM DSI PHY/PLL drivers [RFC,02/24] drm/msm/dsi: drop multiple pll enable_seq support [RFC,03/24] drm/msm/dsi: move all PLL callbacks into PHY config struct [RFC,04/24] drm/msm/dsi: move min/max PLL rate to phy config [RFC,05/24] drm/msm/dsi: remove msm_dsi_pll_set_usecase [RFC,06/24] drm/msm/dsi: stop setting clock parents manually [RFC,07/24] arm64: dts: qcom: sm8250: assign DSI clock source parents [RFC,08/24] drm/msm/dsi: push provided clocks handling into a generic code [RFC,09/24] clk: mux: provide devm_clk_hw_register_mux() [RFC,10/24] clk: divider: add devm_clk_hw_register_divider [RFC,11/24] drm/msm/dsi: use devm_clk_*register to registe DSI PHY clocks [RFC,12/24] drm/msm/dsi: use devm_of_clk_add_hw_provider [RFC,13/24] drm/msm/dsi: replace PHY's init callback with configurable data [RFC,14/24] drm/msm/dsi: make save/restore_state phy-level functions [RFC,15/24] drm/msm/dsi: limit vco_delay to 28nm PHY [RFC,16/24] drm/msi/dsi: inline msm_dsi_pll_helper_clk_prepare/unprepare [RFC,17/24] drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy [RFC,18/24] drm/msm/dsi: drop msm_dsi_pll abstracton [RFC,19/24] drm/msm/dsi: drop PLL accessor functions [RFC,20/24] drm/msm/dsi: move ioremaps to dsi_phy_driver_probe [RFC,21/24] drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances [RFC,22/24] drm/msm/dsi: remove temp data from global pll structure [RFC,23/24] drm/msm/dsi: drop global msm_dsi_phy_type enumaration [RFC,24/24] arm64: dts: qcom: sdm845: assign DSI clock source parents

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; };

[RFC,04/24] drm/msm/dsi: move min/max PLL rate to phy config

Commit Message

Patch