[RFC,17/24] drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy

Message ID	20210301232506.3057401-18-dmitry.baryshkov@linaro.org
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) client-ip=131.252.210.177; From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, Jonathan Marek <jonathan@marek.ca> Subject: [RFC 17/24] drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy Date: Tue, 2 Mar 2021 02:25:00 +0300 Message-Id: <20210301232506.3057401-18-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 Precedence: list Cc: Stephen Boyd <sboyd@kernel.org>, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>, freedreno@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Series	drm/msm/dsi: refactor MSM DSI PHY/PLL drivers \| expand [RFC,00/24] drm/msm/dsi: refactor MSM DSI PHY/PLL drivers [RFC,01/24] drm/msm/dsi: fuse dsi_pll_* code into dsi_phy_* code [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.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index e9424a4c636e..2ef9abaf052d 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -847,9 +847,9 @@ void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, void msm_dsi_phy_save_state(struct msm_dsi_phy *phy) { - if (phy->cfg->pll_ops.save_state) { - phy->cfg->pll_ops.save_state(phy->pll); - phy->pll->state_saved = true; + if (phy->cfg->ops.save_state) { + phy->cfg->ops.save_state(phy); + phy->state_saved = true; } } @@ -857,12 +857,12 @@ int msm_dsi_phy_restore_state(struct msm_dsi_phy *phy) { int ret; - if (phy->cfg->pll_ops.restore_state && phy->pll->state_saved) { - ret = phy->cfg->pll_ops.restore_state(phy->pll); + if (phy->cfg->ops.restore_state && phy->state_saved) { + ret = phy->cfg->ops.restore_state(phy); if (ret) return ret; - phy->pll->state_saved = false; + phy->state_saved = false; } return 0; diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h index 0fff9e3afb53..179027b2c4e3 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -20,7 +20,6 @@ struct msm_dsi_pll { struct clk_hw clk_hw; bool pll_on; - bool state_saved; const struct msm_dsi_phy_cfg *cfg; }; @@ -32,18 +31,14 @@ struct msm_dsi_phy_ops { int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, struct msm_dsi_phy_clk_request *clk_req); void (*disable)(struct msm_dsi_phy *phy); -}; - -struct msm_dsi_pll_ops { - void (*save_state)(struct msm_dsi_pll *pll); - int (*restore_state)(struct msm_dsi_pll *pll); + void (*save_state)(struct msm_dsi_phy *phy); + int (*restore_state)(struct msm_dsi_phy *phy); }; struct msm_dsi_phy_cfg { enum msm_dsi_phy_type type; struct dsi_reg_config reg_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; @@ -119,6 +114,8 @@ struct msm_dsi_phy { struct msm_dsi_pll *pll; struct clk_hw_onecell_data *provided_clocks; + + bool state_saved; }; /* 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 7533db8955a5..1a470c7356ea 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -515,9 +515,9 @@ static const struct clk_ops clk_ops_dsi_pll_10nm_vco = { * PLL Callbacks */ -static void dsi_pll_10nm_save_state(struct msm_dsi_pll *pll) +static void dsi_10nm_save_state(struct msm_dsi_phy *phy) { - struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->pll); struct pll_10nm_cached_state *cached = &pll_10nm->cached_state; void __iomem *phy_base = pll_10nm->phy_cmn_mmio; u32 cmn_clk_cfg0, cmn_clk_cfg1; @@ -538,9 +538,9 @@ static void dsi_pll_10nm_save_state(struct msm_dsi_pll *pll) cached->pix_clk_div, cached->pll_mux); } -static int dsi_pll_10nm_restore_state(struct msm_dsi_pll *pll) +static int dsi_10nm_restore_state(struct msm_dsi_phy *phy) { - struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); + struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->pll); struct pll_10nm_cached_state *cached = &pll_10nm->cached_state; void __iomem *phy_base = pll_10nm->phy_cmn_mmio; u32 val; @@ -559,7 +559,7 @@ static int dsi_pll_10nm_restore_state(struct msm_dsi_pll *pll) val |= cached->pll_mux; pll_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, val); - ret = dsi_pll_10nm_vco_set_rate(&pll->clk_hw, pll_10nm->vco_current_rate, pll_10nm->vco_ref_clk_rate); + ret = dsi_pll_10nm_vco_set_rate(&phy->pll->clk_hw, pll_10nm->vco_current_rate, pll_10nm->vco_ref_clk_rate); if (ret) { DRM_DEV_ERROR(&pll_10nm->pdev->dev, "restore vco rate failed. ret=%d\n", ret); @@ -1003,10 +1003,8 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = { .enable = dsi_10nm_phy_enable, .disable = dsi_10nm_phy_disable, .pll_init = dsi_pll_10nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_10nm_save_state, - .restore_state = dsi_pll_10nm_restore_state, + .save_state = dsi_10nm_save_state, + .restore_state = dsi_10nm_restore_state, }, .min_pll_rate = 1000000000UL, .max_pll_rate = 3500000000UL, @@ -1028,10 +1026,8 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = { .enable = dsi_10nm_phy_enable, .disable = dsi_10nm_phy_disable, .pll_init = dsi_pll_10nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_10nm_save_state, - .restore_state = dsi_pll_10nm_restore_state, + .save_state = dsi_10nm_save_state, + .restore_state = dsi_10nm_restore_state, }, .min_pll_rate = 1000000000UL, .max_pll_rate = 3500000000UL, 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 23f198164c0e..61e482b2ddd7 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c @@ -795,9 +795,9 @@ static const struct clk_ops clk_ops_dsi_pll_14nm_postdiv = { * PLL Callbacks */ -static void dsi_pll_14nm_save_state(struct msm_dsi_pll *pll) +static void dsi_14nm_save_state(struct msm_dsi_phy *phy) { - struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->pll); struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state; void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; u32 data; @@ -810,18 +810,18 @@ static void dsi_pll_14nm_save_state(struct msm_dsi_pll *pll) DBG("DSI%d PLL save state %x %x", pll_14nm->id, cached_state->n1postdiv, cached_state->n2postdiv); - cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); + cached_state->vco_rate = clk_hw_get_rate(&phy->pll->clk_hw); } -static int dsi_pll_14nm_restore_state(struct msm_dsi_pll *pll) +static int dsi_14nm_restore_state(struct msm_dsi_phy *phy) { - struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); + struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->pll); struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state; void __iomem *cmn_base = pll_14nm->phy_cmn_mmio; u32 data; int ret; - ret = dsi_pll_14nm_vco_set_rate(&pll->clk_hw, + ret = dsi_pll_14nm_vco_set_rate(&phy->pll->clk_hw, cached_state->vco_rate, 0); if (ret) { DRM_DEV_ERROR(&pll_14nm->pdev->dev, @@ -1167,10 +1167,8 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = { .enable = dsi_14nm_phy_enable, .disable = dsi_14nm_phy_disable, .pll_init = dsi_pll_14nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_14nm_save_state, - .restore_state = dsi_pll_14nm_restore_state, + .save_state = dsi_14nm_save_state, + .restore_state = dsi_14nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, @@ -1192,10 +1190,8 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = { .enable = dsi_14nm_phy_enable, .disable = dsi_14nm_phy_disable, .pll_init = dsi_pll_14nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_14nm_save_state, - .restore_state = dsi_pll_14nm_restore_state, + .save_state = dsi_14nm_save_state, + .restore_state = dsi_14nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, 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 5188ba21afa7..df078e8c593c 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c @@ -467,9 +467,9 @@ static const struct clk_ops clk_ops_dsi_pll_28nm_vco_lp = { * PLL Callbacks */ -static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) +static void dsi_28nm_save_state(struct msm_dsi_phy *phy) { - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->pll); struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; void __iomem *base = pll_28nm->mmio; @@ -478,20 +478,20 @@ static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) cached_state->postdiv1 = pll_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG); cached_state->byte_mux = pll_read(base + REG_DSI_28nm_PHY_PLL_VREG_CFG); - if (dsi_pll_28nm_clk_is_enabled(&pll->clk_hw)) - cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); + if (dsi_pll_28nm_clk_is_enabled(&phy->pll->clk_hw)) + cached_state->vco_rate = clk_hw_get_rate(&phy->pll->clk_hw); else cached_state->vco_rate = 0; } -static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) +static int dsi_28nm_restore_state(struct msm_dsi_phy *phy) { - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->pll); struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; void __iomem *base = pll_28nm->mmio; int ret; - ret = dsi_pll_28nm_clk_set_rate(&pll->clk_hw, + ret = dsi_pll_28nm_clk_set_rate(&phy->pll->clk_hw, cached_state->vco_rate, 0); if (ret) { DRM_DEV_ERROR(&pll_28nm->pdev->dev, @@ -818,10 +818,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = { .enable = dsi_28nm_phy_enable, .disable = dsi_28nm_phy_disable, .pll_init = dsi_pll_28nm_hpm_init, - }, - .pll_ops = { - .save_state = dsi_pll_28nm_save_state, - .restore_state = dsi_pll_28nm_restore_state, + .save_state = dsi_28nm_save_state, + .restore_state = dsi_28nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, @@ -843,10 +841,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = { .enable = dsi_28nm_phy_enable, .disable = dsi_28nm_phy_disable, .pll_init = dsi_pll_28nm_hpm_init, - }, - .pll_ops = { - .save_state = dsi_pll_28nm_save_state, - .restore_state = dsi_pll_28nm_restore_state, + .save_state = dsi_28nm_save_state, + .restore_state = dsi_28nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, @@ -868,10 +864,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = { .enable = dsi_28nm_phy_enable, .disable = dsi_28nm_phy_disable, .pll_init = dsi_pll_28nm_lp_init, - }, - .pll_ops = { - .save_state = dsi_pll_28nm_save_state, - .restore_state = dsi_pll_28nm_restore_state, + .save_state = dsi_28nm_save_state, + .restore_state = dsi_28nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, 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 15b05ae554a0..fa2e0702ce25 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 @@ -334,9 +334,9 @@ static const struct clk_ops clk_bytediv_ops = { /* * PLL Callbacks */ -static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) +static void dsi_28nm_save_state(struct msm_dsi_phy *phy) { - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->pll); struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; void __iomem *base = pll_28nm->mmio; @@ -347,17 +347,17 @@ static void dsi_pll_28nm_save_state(struct msm_dsi_pll *pll) cached_state->postdiv1 = pll_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8); - cached_state->vco_rate = clk_hw_get_rate(&pll->clk_hw); + cached_state->vco_rate = clk_hw_get_rate(&phy->pll->clk_hw); } -static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) +static int dsi_28nm_restore_state(struct msm_dsi_phy *phy) { - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); + struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->pll); struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state; void __iomem *base = pll_28nm->mmio; int ret; - ret = dsi_pll_28nm_clk_set_rate(&pll->clk_hw, + ret = dsi_pll_28nm_clk_set_rate(&phy->pll->clk_hw, cached_state->vco_rate, 0); if (ret) { DRM_DEV_ERROR(&pll_28nm->pdev->dev, @@ -663,10 +663,8 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = { .enable = dsi_28nm_phy_enable, .disable = dsi_28nm_phy_disable, .pll_init = dsi_pll_28nm_8960_init, - }, - .pll_ops = { - .save_state = dsi_pll_28nm_save_state, - .restore_state = dsi_pll_28nm_restore_state, + .save_state = dsi_28nm_save_state, + .restore_state = dsi_28nm_restore_state, }, .min_pll_rate = VCO_MIN_RATE, .max_pll_rate = VCO_MAX_RATE, 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 d3fea4a2b498..e9a52e7b7411 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -540,9 +540,9 @@ static const struct clk_ops clk_ops_dsi_pll_7nm_vco = { * PLL Callbacks */ -static void dsi_pll_7nm_save_state(struct msm_dsi_pll *pll) +static void dsi_7nm_save_state(struct msm_dsi_phy *phy) { - struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->pll); struct pll_7nm_cached_state *cached = &pll_7nm->cached_state; void __iomem *phy_base = pll_7nm->phy_cmn_mmio; u32 cmn_clk_cfg0, cmn_clk_cfg1; @@ -563,9 +563,9 @@ static void dsi_pll_7nm_save_state(struct msm_dsi_pll *pll) cached->pix_clk_div, cached->pll_mux); } -static int dsi_pll_7nm_restore_state(struct msm_dsi_pll *pll) +static int dsi_7nm_restore_state(struct msm_dsi_phy *phy) { - struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); + struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->pll); struct pll_7nm_cached_state *cached = &pll_7nm->cached_state; void __iomem *phy_base = pll_7nm->phy_cmn_mmio; u32 val; @@ -584,7 +584,7 @@ static int dsi_pll_7nm_restore_state(struct msm_dsi_pll *pll) val |= cached->pll_mux; pll_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, val); - ret = dsi_pll_7nm_vco_set_rate(&pll->clk_hw, pll_7nm->vco_current_rate, pll_7nm->vco_ref_clk_rate); + ret = dsi_pll_7nm_vco_set_rate(&phy->pll->clk_hw, pll_7nm->vco_current_rate, pll_7nm->vco_ref_clk_rate); if (ret) { DRM_DEV_ERROR(&pll_7nm->pdev->dev, "restore vco rate failed. ret=%d\n", ret); @@ -1036,10 +1036,8 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = { .enable = dsi_7nm_phy_enable, .disable = dsi_7nm_phy_disable, .pll_init = dsi_pll_7nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_7nm_save_state, - .restore_state = dsi_pll_7nm_restore_state, + .save_state = dsi_7nm_save_state, + .restore_state = dsi_7nm_restore_state, }, .min_pll_rate = 1000000000UL, .max_pll_rate = 3500000000UL, @@ -1061,10 +1059,8 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = { .enable = dsi_7nm_phy_enable, .disable = dsi_7nm_phy_disable, .pll_init = dsi_pll_7nm_init, - }, - .pll_ops = { - .save_state = dsi_pll_7nm_save_state, - .restore_state = dsi_pll_7nm_restore_state, + .save_state = dsi_7nm_save_state, + .restore_state = dsi_7nm_restore_state, }, .min_pll_rate = 600000000UL, .max_pll_rate = (5000000000ULL < ULONG_MAX) ? 5000000000ULL : ULONG_MAX,

[RFC,17/24] drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy

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