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Mon, 29 Mar 2021 22:13:05 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: abhinavk) by smtp.codeaurora.org (Postfix) with ESMTPSA id F24C4C433CA; Mon, 29 Mar 2021 22:12:58 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 29 Mar 2021 15:12:58 -0700 From: abhinavk@codeaurora.org To: Dmitry Baryshkov Cc: Rob Clark , Sean Paul , Jonathan Marek , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter , freedreno@lists.freedesktop.org, linux-clk@vger.kernel.org Subject: Re: [Freedreno] [PATCH v3 11/25] drm/msm/dsi: push provided clocks handling into a generic code In-Reply-To: <20210327110305.3289784-12-dmitry.baryshkov@linaro.org> References: <20210327110305.3289784-1-dmitry.baryshkov@linaro.org> <20210327110305.3289784-12-dmitry.baryshkov@linaro.org> Message-ID: X-Sender: abhinavk@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2021-03-27 04:02, Dmitry Baryshkov wrote: > All MSM DSI PHYs provide two clocks: byte and pixel ones. > Register/unregister provided clocks from the generic place, removing > boilerplate code from all MSM DSI PHY drivers. > > Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar > --- > drivers/gpu/drm/msm/dsi/dsi.h | 11 +--- > drivers/gpu/drm/msm/dsi/dsi_host.c | 4 +- > drivers/gpu/drm/msm/dsi/dsi_manager.c | 13 +--- > drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 34 ++++++++++ > drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 9 ++- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 55 ++-------------- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 53 ++-------------- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 63 +++---------------- > .../gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 57 +++-------------- > drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 55 ++-------------- > drivers/gpu/drm/msm/dsi/phy/dsi_pll.c | 16 +---- > drivers/gpu/drm/msm/dsi/phy/dsi_pll.h | 3 +- > 12 files changed, 78 insertions(+), 295 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dsi/dsi.h > b/drivers/gpu/drm/msm/dsi/dsi.h > index b310cf344ed4..43590f338d20 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi.h > +++ b/drivers/gpu/drm/msm/dsi/dsi.h > @@ -96,19 +96,12 @@ struct drm_encoder *msm_dsi_get_encoder(struct > msm_dsi *msm_dsi); > struct msm_dsi_pll; > #ifdef CONFIG_DRM_MSM_DSI_PLL > void msm_dsi_pll_destroy(struct msm_dsi_pll *pll); > -int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, struct clk **pixel_clk_provider); > void msm_dsi_pll_save_state(struct msm_dsi_pll *pll); > int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll); > #else > static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll) > { > } > -static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll > *pll, > - struct clk **byte_clk_provider, struct clk **pixel_clk_provider) > -{ > - return -ENODEV; > -} > static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) > { > } > @@ -144,7 +137,7 @@ struct drm_bridge *msm_dsi_host_get_bridge(struct > mipi_dsi_host *host); > int msm_dsi_host_register(struct mipi_dsi_host *host, bool > check_defer); > void msm_dsi_host_unregister(struct mipi_dsi_host *host); > int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, > - struct msm_dsi_pll *src_pll); > + struct msm_dsi_phy *src_phy); > void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); > void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, > struct msm_dsi_phy_clk_request *clk_req, > @@ -196,6 +189,8 @@ void msm_dsi_phy_get_shared_timings(struct > msm_dsi_phy *phy, > struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy); > void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, > enum msm_dsi_phy_usecase uc); > +int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, > + struct clk **byte_clk_provider, struct clk **pixel_clk_provider); > > #endif /* __DSI_CONNECTOR_H__ */ > > diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c > b/drivers/gpu/drm/msm/dsi/dsi_host.c > index ab281cba0f08..41e1d0f7ab6e 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi_host.c > +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c > @@ -2226,13 +2226,13 @@ void msm_dsi_host_cmd_xfer_commit(struct > mipi_dsi_host *host, u32 dma_base, > } > > int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, > - struct msm_dsi_pll *src_pll) > + struct msm_dsi_phy *src_phy) > { > struct msm_dsi_host *msm_host = to_msm_dsi_host(host); > struct clk *byte_clk_provider, *pixel_clk_provider; > int ret; > > - ret = msm_dsi_pll_get_clk_provider(src_pll, > + ret = msm_dsi_phy_get_clk_provider(src_phy, > &byte_clk_provider, &pixel_clk_provider); > if (ret) { > pr_info("%s: can't get provider from pll, don't set parent\n", > diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c > b/drivers/gpu/drm/msm/dsi/dsi_manager.c > index 1d28dfba2c9b..86e36be58701 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c > +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c > @@ -70,7 +70,6 @@ static int dsi_mgr_setup_components(int id) > struct msm_dsi *other_dsi = dsi_mgr_get_other_dsi(id); > struct msm_dsi *clk_master_dsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER); > struct msm_dsi *clk_slave_dsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE); > - struct msm_dsi_pll *src_pll; > int ret; > > if (!IS_DUAL_DSI()) { > @@ -79,10 +78,7 @@ static int dsi_mgr_setup_components(int id) > return ret; > > msm_dsi_phy_set_usecase(msm_dsi->phy, MSM_DSI_PHY_STANDALONE); > - src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); > - if (IS_ERR(src_pll)) > - return PTR_ERR(src_pll); > - ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll); > + ret = msm_dsi_host_set_src_pll(msm_dsi->host, msm_dsi->phy); > } else if (!other_dsi) { > ret = 0; > } else { > @@ -109,13 +105,10 @@ static int dsi_mgr_setup_components(int id) > MSM_DSI_PHY_MASTER); > msm_dsi_phy_set_usecase(clk_slave_dsi->phy, > MSM_DSI_PHY_SLAVE); > - src_pll = msm_dsi_phy_get_pll(clk_master_dsi->phy); > - if (IS_ERR(src_pll)) > - return PTR_ERR(src_pll); > - ret = msm_dsi_host_set_src_pll(msm_dsi->host, src_pll); > + ret = msm_dsi_host_set_src_pll(msm_dsi->host, clk_master_dsi->phy); > if (ret) > return ret; > - ret = msm_dsi_host_set_src_pll(other_dsi->host, src_pll); > + ret = msm_dsi_host_set_src_pll(other_dsi->host, > clk_master_dsi->phy); > } > > return ret; > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > index 5f153b683521..69214447f757 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c > @@ -3,6 +3,7 @@ > * Copyright (c) 2015, The Linux Foundation. All rights reserved. > */ > > +#include > #include > > #include "dsi_phy.h" > @@ -652,6 +653,14 @@ static int dsi_phy_driver_probe(struct > platform_device *pdev) > if (!match) > return -ENODEV; > > + phy->provided_clocks = devm_kzalloc(dev, > + struct_size(phy->provided_clocks, hws, NUM_PROVIDED_CLKS), > + GFP_KERNEL); > + if (!phy->provided_clocks) > + return -ENOMEM; > + > + phy->provided_clocks->num = NUM_PROVIDED_CLKS; > + > phy->cfg = match->data; > phy->pdev = pdev; > > @@ -719,6 +728,13 @@ static int dsi_phy_driver_probe(struct > platform_device *pdev) > } > } > > + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, > + phy->provided_clocks); > + if (ret) { > + DRM_DEV_ERROR(dev, "%s: failed to register clk provider: %d\n", > __func__, ret); > + goto fail; > + } > + > dsi_phy_disable_resource(phy); > > platform_set_drvdata(pdev, phy); > @@ -726,6 +742,12 @@ static int dsi_phy_driver_probe(struct > platform_device *pdev) > return 0; > > fail: > + if (phy->pll) { > + of_clk_del_provider(dev->of_node); > + msm_dsi_pll_destroy(phy->pll); > + phy->pll = NULL; > + } > + > return ret; > } > > @@ -734,6 +756,7 @@ static int dsi_phy_driver_remove(struct > platform_device *pdev) > struct msm_dsi_phy *phy = platform_get_drvdata(pdev); > > if (phy && phy->pll) { > + of_clk_del_provider(pdev->dev.of_node); > msm_dsi_pll_destroy(phy->pll); > phy->pll = NULL; > } > @@ -851,3 +874,14 @@ void msm_dsi_phy_set_usecase(struct msm_dsi_phy > *phy, > if (phy) > phy->usecase = uc; > } > + > +int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy, > + struct clk **byte_clk_provider, struct clk **pixel_clk_provider) > +{ > + if (byte_clk_provider) > + *byte_clk_provider = > phy->provided_clocks->hws[DSI_BYTE_PLL_CLK]->clk; > + if (pixel_clk_provider) > + *pixel_clk_provider = > phy->provided_clocks->hws[DSI_PIXEL_PLL_CLK]->clk; > + > + return -EINVAL; > +} > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > index f737bef74b91..c3099629fa3b 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h > @@ -23,9 +23,6 @@ struct msm_dsi_phy_ops { > struct msm_dsi_pll_ops { > int (*enable_seq)(struct msm_dsi_pll *pll); > void (*disable_seq)(struct msm_dsi_pll *pll); > - int (*get_provider)(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider); > void (*destroy)(struct msm_dsi_pll *pll); > void (*save_state)(struct msm_dsi_pll *pll); > int (*restore_state)(struct msm_dsi_pll *pll); > @@ -87,6 +84,10 @@ struct msm_dsi_dphy_timing { > u8 hs_halfbyte_en_ckln; > }; > > +#define DSI_BYTE_PLL_CLK 0 > +#define DSI_PIXEL_PLL_CLK 1 > +#define NUM_PROVIDED_CLKS 2 > + > struct msm_dsi_phy { > struct platform_device *pdev; > void __iomem *base; > @@ -104,6 +105,8 @@ struct msm_dsi_phy { > bool regulator_ldo_mode; > > struct msm_dsi_pll *pll; > + > + struct clk_hw_onecell_data *provided_clocks; > }; > > /* > 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 7a98e420414f..8666da1c29e5 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c > @@ -36,10 +36,6 @@ > * > dsi0_pll_post_out_div_clk > */ > > -#define DSI_BYTE_PLL_CLK 0 > -#define DSI_PIXEL_PLL_CLK 1 > -#define NUM_PROVIDED_CLKS 2 > - > #define VCO_REF_CLK_RATE 19200000 > > struct dsi_pll_regs { > @@ -116,9 +112,6 @@ struct dsi_pll_10nm { > struct clk_hw *pclk_mux_hw; > struct clk_hw *out_dsiclk_hw; > > - /* clock-provider: */ > - struct clk_hw_onecell_data *hw_data; > - > struct pll_10nm_cached_state cached_state; > > enum msm_dsi_phy_usecase uc; > @@ -621,30 +614,11 @@ static int dsi_pll_10nm_set_usecase(struct > msm_dsi_pll *pll, > return 0; > } > > -static int dsi_pll_10nm_get_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider) > -{ > - struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); > - struct clk_hw_onecell_data *hw_data = pll_10nm->hw_data; > - > - DBG("DSI PLL%d", pll_10nm->id); > - > - if (byte_clk_provider) > - *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; > - if (pixel_clk_provider) > - *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; > - > - return 0; > -} > - > static void dsi_pll_10nm_destroy(struct msm_dsi_pll *pll) > { > struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); > - struct device *dev = &pll_10nm->pdev->dev; > > DBG("DSI PLL%d", pll_10nm->id); > - of_clk_del_provider(dev->of_node); > > clk_hw_unregister_divider(pll_10nm->out_dsiclk_hw); > clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); > @@ -662,7 +636,7 @@ static void dsi_pll_10nm_destroy(struct msm_dsi_pll > *pll) > * state to follow the master PLL's divider/mux state. Therefore, we > don't > * require special clock ops that also configure the slave PLL > registers > */ > -static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm) > +static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct > clk_hw **provided_clocks) > { > char clk_name[32], parent[32], vco_name[32]; > char parent2[32], parent3[32], parent4[32]; > @@ -674,18 +648,11 @@ static int pll_10nm_register(struct dsi_pll_10nm > *pll_10nm) > .ops = &clk_ops_dsi_pll_10nm_vco, > }; > struct device *dev = &pll_10nm->pdev->dev; > - struct clk_hw_onecell_data *hw_data; > struct clk_hw *hw; > int ret; > > DBG("DSI%d", pll_10nm->id); > > - hw_data = devm_kzalloc(dev, sizeof(*hw_data) + > - NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), > - GFP_KERNEL); > - if (!hw_data) > - return -ENOMEM; > - > snprintf(vco_name, 32, "dsi%dvco_clk", pll_10nm->id); > pll_10nm->base.clk_hw.init = &vco_init; > > @@ -737,7 +704,7 @@ static int pll_10nm_register(struct dsi_pll_10nm > *pll_10nm) > } > > pll_10nm->byte_clk_hw = hw; > - hw_data->hws[DSI_BYTE_PLL_CLK] = hw; > + provided_clocks[DSI_BYTE_PLL_CLK] = hw; > > snprintf(clk_name, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->id); > snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id); > @@ -797,22 +764,10 @@ static int pll_10nm_register(struct dsi_pll_10nm > *pll_10nm) > } > > pll_10nm->out_dsiclk_hw = hw; > - hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; > - > - hw_data->num = NUM_PROVIDED_CLKS; > - pll_10nm->hw_data = hw_data; > - > - ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, > - pll_10nm->hw_data); > - if (ret) { > - DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); > - goto err_dsiclk_hw; > - } > + provided_clocks[DSI_PIXEL_PLL_CLK] = hw; > > return 0; > > -err_dsiclk_hw: > - clk_hw_unregister_divider(pll_10nm->out_dsiclk_hw); > err_pclk_mux_hw: > clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); > err_post_out_div_clk_hw: > @@ -868,7 +823,7 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy > *phy) > > pll_10nm->vco_delay = 1; > > - ret = pll_10nm_register(pll_10nm); > + ret = pll_10nm_register(pll_10nm, phy->provided_clocks->hws); > if (ret) { > DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); > return ret; > @@ -1105,7 +1060,6 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = > { > .pll_init = dsi_pll_10nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_10nm_get_provider, > .destroy = dsi_pll_10nm_destroy, > .save_state = dsi_pll_10nm_save_state, > .restore_state = dsi_pll_10nm_restore_state, > @@ -1131,7 +1085,6 @@ const struct msm_dsi_phy_cfg > dsi_phy_10nm_8998_cfgs = { > .pll_init = dsi_pll_10nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_10nm_get_provider, > .destroy = dsi_pll_10nm_destroy, > .save_state = dsi_pll_10nm_save_state, > .restore_state = dsi_pll_10nm_restore_state, > 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 bab86fa6dc4b..07ecdf34f614 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c > @@ -34,15 +34,10 @@ > #define POLL_MAX_READS 15 > #define POLL_TIMEOUT_US 1000 > > -#define NUM_PROVIDED_CLKS 2 > - > #define VCO_REF_CLK_RATE 19200000 > #define VCO_MIN_RATE 1300000000UL > #define VCO_MAX_RATE 2600000000UL > > -#define DSI_BYTE_PLL_CLK 0 > -#define DSI_PIXEL_PLL_CLK 1 > - > #define DSI_PLL_DEFAULT_VCO_POSTDIV 1 > > struct dsi_pll_input { > @@ -142,9 +137,6 @@ struct dsi_pll_14nm { > struct clk_hw *hws[NUM_DSI_CLOCKS_MAX]; > u32 num_hws; > > - /* clock-provider: */ > - struct clk_hw_onecell_data *hw_data; > - > struct pll_14nm_cached_state cached_state; > > enum msm_dsi_phy_usecase uc; > @@ -880,29 +872,11 @@ static int dsi_pll_14nm_set_usecase(struct > msm_dsi_pll *pll, > return 0; > } > > -static int dsi_pll_14nm_get_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider) > -{ > - struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); > - struct clk_hw_onecell_data *hw_data = pll_14nm->hw_data; > - > - if (byte_clk_provider) > - *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; > - if (pixel_clk_provider) > - *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; > - > - return 0; > -} > - > static void dsi_pll_14nm_destroy(struct msm_dsi_pll *pll) > { > struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); > - struct platform_device *pdev = pll_14nm->pdev; > int num_hws = pll_14nm->num_hws; > > - of_clk_del_provider(pdev->dev.of_node); > - > while (num_hws--) > clk_hw_unregister(pll_14nm->hws[num_hws]); > } > @@ -943,7 +917,7 @@ static struct clk_hw > *pll_14nm_postdiv_register(struct dsi_pll_14nm *pll_14nm, > return &pll_postdiv->hw; > } > > -static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm) > +static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct > clk_hw **provided_clocks) > { > char clk_name[32], parent[32], vco_name[32]; > struct clk_init_data vco_init = { > @@ -955,19 +929,12 @@ static int pll_14nm_register(struct dsi_pll_14nm > *pll_14nm) > }; > struct device *dev = &pll_14nm->pdev->dev; > struct clk_hw **hws = pll_14nm->hws; > - struct clk_hw_onecell_data *hw_data; > struct clk_hw *hw; > int num = 0; > int ret; > > DBG("DSI%d", pll_14nm->id); > > - hw_data = devm_kzalloc(dev, sizeof(*hw_data) + > - NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), > - GFP_KERNEL); > - if (!hw_data) > - return -ENOMEM; > - > snprintf(vco_name, 32, "dsi%dvco_clk", pll_14nm->id); > pll_14nm->base.clk_hw.init = &vco_init; > > @@ -998,7 +965,7 @@ static int pll_14nm_register(struct dsi_pll_14nm > *pll_14nm) > return PTR_ERR(hw); > > hws[num++] = hw; > - hw_data->hws[DSI_BYTE_PLL_CLK] = hw; > + provided_clocks[DSI_BYTE_PLL_CLK] = hw; > > snprintf(clk_name, 32, "dsi%dn1_postdivby2_clk", pll_14nm->id); > snprintf(parent, 32, "dsi%dn1_postdiv_clk", pll_14nm->id); > @@ -1025,20 +992,10 @@ static int pll_14nm_register(struct > dsi_pll_14nm *pll_14nm) > return PTR_ERR(hw); > > hws[num++] = hw; > - hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; > + provided_clocks[DSI_PIXEL_PLL_CLK] = hw; > > pll_14nm->num_hws = num; > > - hw_data->num = NUM_PROVIDED_CLKS; > - pll_14nm->hw_data = hw_data; > - > - ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, > - pll_14nm->hw_data); > - if (ret) { > - DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); > - return ret; > - } > - > return 0; > } > > @@ -1082,7 +1039,7 @@ static int dsi_pll_14nm_init(struct msm_dsi_phy > *phy) > > pll_14nm->vco_delay = 1; > > - ret = pll_14nm_register(pll_14nm); > + ret = pll_14nm_register(pll_14nm, phy->provided_clocks->hws); > if (ret) { > DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); > return ret; > @@ -1227,7 +1184,6 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = > { > .pll_init = dsi_pll_14nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_14nm_get_provider, > .destroy = dsi_pll_14nm_destroy, > .save_state = dsi_pll_14nm_save_state, > .restore_state = dsi_pll_14nm_restore_state, > @@ -1255,7 +1211,6 @@ const struct msm_dsi_phy_cfg > dsi_phy_14nm_660_cfgs = { > .pll_init = dsi_pll_14nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_14nm_get_provider, > .destroy = dsi_pll_14nm_destroy, > .save_state = dsi_pll_14nm_save_state, > .restore_state = dsi_pll_14nm_restore_state, > 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 d267b25e5da0..3446be318648 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c > @@ -31,15 +31,10 @@ > #define POLL_MAX_READS 10 > #define POLL_TIMEOUT_US 50 > > -#define NUM_PROVIDED_CLKS 2 > - > #define VCO_REF_CLK_RATE 19200000 > #define VCO_MIN_RATE 350000000 > #define VCO_MAX_RATE 750000000 > > -#define DSI_BYTE_PLL_CLK 0 > -#define DSI_PIXEL_PLL_CLK 1 > - > /* v2.0.0 28nm LP implementation */ > #define DSI_PHY_28NM_QUIRK_PHY_LP BIT(0) > > @@ -83,10 +78,6 @@ struct dsi_pll_28nm { > struct clk *clks[NUM_DSI_CLOCKS_MAX]; > u32 num_clks; > > - /* clock-provider: */ > - struct clk *provided_clks[NUM_PROVIDED_CLKS]; > - struct clk_onecell_data clk_data; > - > struct pll_28nm_cached_state cached_state; > }; > > @@ -495,38 +486,16 @@ static int dsi_pll_28nm_restore_state(struct > msm_dsi_pll *pll) > return 0; > } > > -static int dsi_pll_28nm_get_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider) > -{ > - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); > - > - if (byte_clk_provider) > - *byte_clk_provider = pll_28nm->provided_clks[DSI_BYTE_PLL_CLK]; > - if (pixel_clk_provider) > - *pixel_clk_provider = > - pll_28nm->provided_clks[DSI_PIXEL_PLL_CLK]; > - > - return 0; > -} > - > static void dsi_pll_28nm_destroy(struct msm_dsi_pll *pll) > { > struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); > - int i; > - > - msm_dsi_pll_helper_unregister_clks(pll_28nm->pdev, > - pll_28nm->clks, pll_28nm->num_clks); > > - for (i = 0; i < NUM_PROVIDED_CLKS; i++) > - pll_28nm->provided_clks[i] = NULL; > + msm_dsi_pll_helper_unregister_clks(pll_28nm->clks, > pll_28nm->num_clks); > > pll_28nm->num_clks = 0; > - pll_28nm->clk_data.clks = NULL; > - pll_28nm->clk_data.clk_num = 0; > } > > -static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) > +static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct > clk_hw **provided_clocks) > { > char clk_name[32], parent1[32], parent2[32], vco_name[32]; > struct clk_init_data vco_init = { > @@ -538,9 +507,7 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > }; > struct device *dev = &pll_28nm->pdev->dev; > struct clk **clks = pll_28nm->clks; > - struct clk **provided_clks = pll_28nm->provided_clks; > int num = 0; > - int ret; > > DBG("%d", pll_28nm->id); > > @@ -564,11 +531,11 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > > snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); > snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); > - clks[num++] = provided_clks[DSI_PIXEL_PLL_CLK] = > - clk_register_divider(dev, clk_name, > + clks[num++] = clk_register_divider(dev, clk_name, > parent1, 0, pll_28nm->mmio + > REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG, > 0, 8, 0, NULL); > + provided_clocks[DSI_PIXEL_PLL_CLK] = __clk_get_hw(clks[num - 1]); > > snprintf(clk_name, 32, "dsi%dbyte_mux", pll_28nm->id); > snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); > @@ -581,22 +548,12 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > > snprintf(clk_name, 32, "dsi%dpllbyte", pll_28nm->id); > snprintf(parent1, 32, "dsi%dbyte_mux", pll_28nm->id); > - clks[num++] = provided_clks[DSI_BYTE_PLL_CLK] = > - clk_register_fixed_factor(dev, clk_name, > + clks[num++] = clk_register_fixed_factor(dev, clk_name, > parent1, CLK_SET_RATE_PARENT, 1, 4); > + provided_clocks[DSI_BYTE_PLL_CLK] = __clk_get_hw(clks[num - 1]); > > pll_28nm->num_clks = num; > > - pll_28nm->clk_data.clk_num = NUM_PROVIDED_CLKS; > - pll_28nm->clk_data.clks = provided_clks; > - > - ret = of_clk_add_provider(dev->of_node, > - of_clk_src_onecell_get, &pll_28nm->clk_data); > - if (ret) { > - DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); > - return ret; > - } > - > return 0; > } > > @@ -625,14 +582,13 @@ static int dsi_pll_28nm_init(struct msm_dsi_phy > *phy) > } > > pll = &pll_28nm->base; > + pll->cfg = phy->cfg; > if (phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP) > pll_28nm->vco_delay = 1000; > else > pll_28nm->vco_delay = 1; > > - pll->cfg = phy->cfg; > - > - ret = pll_28nm_register(pll_28nm); > + ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws); > if (ret) { > DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); > return ret; > @@ -802,7 +758,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs > = { > .pll_init = dsi_pll_28nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_28nm_get_provider, > .destroy = dsi_pll_28nm_destroy, > .save_state = dsi_pll_28nm_save_state, > .restore_state = dsi_pll_28nm_restore_state, > @@ -830,7 +785,6 @@ const struct msm_dsi_phy_cfg > dsi_phy_28nm_hpm_famb_cfgs = { > .pll_init = dsi_pll_28nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_28nm_get_provider, > .destroy = dsi_pll_28nm_destroy, > .save_state = dsi_pll_28nm_save_state, > .restore_state = dsi_pll_28nm_restore_state, > @@ -858,7 +812,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = > { > .pll_init = dsi_pll_28nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_28nm_get_provider, > .destroy = dsi_pll_28nm_destroy, > .save_state = dsi_pll_28nm_save_state, > .restore_state = dsi_pll_28nm_restore_state, > 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 31e7910c6050..c4b433790cfb 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 > @@ -39,15 +39,10 @@ > #define POLL_MAX_READS 8000 > #define POLL_TIMEOUT_US 1 > > -#define NUM_PROVIDED_CLKS 2 > - > #define VCO_REF_CLK_RATE 27000000 > #define VCO_MIN_RATE 600000000 > #define VCO_MAX_RATE 1200000000 > > -#define DSI_BYTE_PLL_CLK 0 > -#define DSI_PIXEL_PLL_CLK 1 > - > #define VCO_PREF_DIV_RATIO 27 > > struct pll_28nm_cached_state { > @@ -76,10 +71,6 @@ struct dsi_pll_28nm { > struct clk *clks[NUM_DSI_CLOCKS_MAX]; > u32 num_clks; > > - /* clock-provider: */ > - struct clk *provided_clks[NUM_PROVIDED_CLKS]; > - struct clk_onecell_data clk_data; > - > struct pll_28nm_cached_state cached_state; > }; > > @@ -377,30 +368,14 @@ static int dsi_pll_28nm_restore_state(struct > msm_dsi_pll *pll) > return 0; > } > > -static int dsi_pll_28nm_get_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider) > -{ > - struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); > - > - if (byte_clk_provider) > - *byte_clk_provider = pll_28nm->provided_clks[DSI_BYTE_PLL_CLK]; > - if (pixel_clk_provider) > - *pixel_clk_provider = > - pll_28nm->provided_clks[DSI_PIXEL_PLL_CLK]; > - > - return 0; > -} > - > static void dsi_pll_28nm_destroy(struct msm_dsi_pll *pll) > { > struct dsi_pll_28nm *pll_28nm = to_pll_28nm(pll); > > - msm_dsi_pll_helper_unregister_clks(pll_28nm->pdev, > - pll_28nm->clks, pll_28nm->num_clks); > + msm_dsi_pll_helper_unregister_clks(pll_28nm->clks, > pll_28nm->num_clks); > } > > -static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) > +static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct > clk_hw **provided_clocks) > { > char *clk_name, *parent_name, *vco_name; > struct clk_init_data vco_init = { > @@ -411,10 +386,9 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > }; > struct device *dev = &pll_28nm->pdev->dev; > struct clk **clks = pll_28nm->clks; > - struct clk **provided_clks = pll_28nm->provided_clks; > struct clk_bytediv *bytediv; > struct clk_init_data bytediv_init = { }; > - int ret, num = 0; > + int num = 0; > > DBG("%d", pll_28nm->id); > > @@ -426,10 +400,6 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > if (!vco_name) > return -ENOMEM; > > - parent_name = devm_kzalloc(dev, 32, GFP_KERNEL); > - if (!parent_name) > - return -ENOMEM; > - > clk_name = devm_kzalloc(dev, 32, GFP_KERNEL); > if (!clk_name) > return -ENOMEM; > @@ -457,29 +427,19 @@ static int pll_28nm_register(struct dsi_pll_28nm > *pll_28nm) > bytediv_init.num_parents = 1; > > /* DIV2 */ > - clks[num++] = provided_clks[DSI_BYTE_PLL_CLK] = > - clk_register(dev, &bytediv->hw); > + clks[num++] = clk_register(dev, &bytediv->hw); > + provided_clocks[DSI_BYTE_PLL_CLK] = __clk_get_hw(clks[num - 1]); > > snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); > /* DIV3 */ > - clks[num++] = provided_clks[DSI_PIXEL_PLL_CLK] = > - clk_register_divider(dev, clk_name, > + clks[num++] = clk_register_divider(dev, clk_name, > parent_name, 0, pll_28nm->mmio + > REG_DSI_28nm_8960_PHY_PLL_CTRL_10, > 0, 8, 0, NULL); > + provided_clocks[DSI_PIXEL_PLL_CLK] = __clk_get_hw(clks[num - 1]); > > pll_28nm->num_clks = num; > > - pll_28nm->clk_data.clk_num = NUM_PROVIDED_CLKS; > - pll_28nm->clk_data.clks = provided_clks; > - > - ret = of_clk_add_provider(dev->of_node, > - of_clk_src_onecell_get, &pll_28nm->clk_data); > - if (ret) { > - DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); > - return ret; > - } > - > return 0; > } > > @@ -511,7 +471,7 @@ static int dsi_pll_28nm_8960_init(struct > msm_dsi_phy *phy) > > pll->cfg = phy->cfg; > > - ret = pll_28nm_register(pll_28nm); > + ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws); > if (ret) { > DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); > return ret; > @@ -702,7 +662,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs > = { > .pll_init = dsi_pll_28nm_8960_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_28nm_get_provider, > .destroy = dsi_pll_28nm_destroy, > .save_state = dsi_pll_28nm_save_state, > .restore_state = dsi_pll_28nm_restore_state, > 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 5acdfe1f63be..0b601afa9e49 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c > @@ -36,10 +36,6 @@ > * > dsi0_pll_post_out_div_clk > */ > > -#define DSI_BYTE_PLL_CLK 0 > -#define DSI_PIXEL_PLL_CLK 1 > -#define NUM_PROVIDED_CLKS 2 > - > #define VCO_REF_CLK_RATE 19200000 > > struct dsi_pll_regs { > @@ -116,9 +112,6 @@ struct dsi_pll_7nm { > struct clk_hw *pclk_mux_hw; > struct clk_hw *out_dsiclk_hw; > > - /* clock-provider: */ > - struct clk_hw_onecell_data *hw_data; > - > struct pll_7nm_cached_state cached_state; > > enum msm_dsi_phy_usecase uc; > @@ -646,30 +639,11 @@ static int dsi_pll_7nm_set_usecase(struct > msm_dsi_pll *pll, > return 0; > } > > -static int dsi_pll_7nm_get_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, > - struct clk **pixel_clk_provider) > -{ > - struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); > - struct clk_hw_onecell_data *hw_data = pll_7nm->hw_data; > - > - DBG("DSI PLL%d", pll_7nm->id); > - > - if (byte_clk_provider) > - *byte_clk_provider = hw_data->hws[DSI_BYTE_PLL_CLK]->clk; > - if (pixel_clk_provider) > - *pixel_clk_provider = hw_data->hws[DSI_PIXEL_PLL_CLK]->clk; > - > - return 0; > -} > - > static void dsi_pll_7nm_destroy(struct msm_dsi_pll *pll) > { > struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); > - struct device *dev = &pll_7nm->pdev->dev; > > DBG("DSI PLL%d", pll_7nm->id); > - of_clk_del_provider(dev->of_node); > > clk_hw_unregister_divider(pll_7nm->out_dsiclk_hw); > clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); > @@ -687,7 +661,7 @@ static void dsi_pll_7nm_destroy(struct msm_dsi_pll > *pll) > * state to follow the master PLL's divider/mux state. Therefore, we > don't > * require special clock ops that also configure the slave PLL > registers > */ > -static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm) > +static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct > clk_hw **provided_clocks) > { > char clk_name[32], parent[32], vco_name[32]; > char parent2[32], parent3[32], parent4[32]; > @@ -699,18 +673,11 @@ static int pll_7nm_register(struct dsi_pll_7nm > *pll_7nm) > .ops = &clk_ops_dsi_pll_7nm_vco, > }; > struct device *dev = &pll_7nm->pdev->dev; > - struct clk_hw_onecell_data *hw_data; > struct clk_hw *hw; > int ret; > > DBG("DSI%d", pll_7nm->id); > > - hw_data = devm_kzalloc(dev, sizeof(*hw_data) + > - NUM_PROVIDED_CLKS * sizeof(struct clk_hw *), > - GFP_KERNEL); > - if (!hw_data) > - return -ENOMEM; > - > snprintf(vco_name, 32, "dsi%dvco_clk", pll_7nm->id); > pll_7nm->base.clk_hw.init = &vco_init; > > @@ -762,7 +729,7 @@ static int pll_7nm_register(struct dsi_pll_7nm > *pll_7nm) > } > > pll_7nm->byte_clk_hw = hw; > - hw_data->hws[DSI_BYTE_PLL_CLK] = hw; > + provided_clocks[DSI_BYTE_PLL_CLK] = hw; > > snprintf(clk_name, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->id); > snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id); > @@ -822,22 +789,10 @@ static int pll_7nm_register(struct dsi_pll_7nm > *pll_7nm) > } > > pll_7nm->out_dsiclk_hw = hw; > - hw_data->hws[DSI_PIXEL_PLL_CLK] = hw; > - > - hw_data->num = NUM_PROVIDED_CLKS; > - pll_7nm->hw_data = hw_data; > - > - ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, > - pll_7nm->hw_data); > - if (ret) { > - DRM_DEV_ERROR(dev, "failed to register clk provider: %d\n", ret); > - goto err_dsiclk_hw; > - } > + provided_clocks[DSI_PIXEL_PLL_CLK] = hw; > > return 0; > > -err_dsiclk_hw: > - clk_hw_unregister_divider(pll_7nm->out_dsiclk_hw); > err_pclk_mux_hw: > clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); > err_post_out_div_clk_hw: > @@ -893,7 +848,7 @@ static int dsi_pll_7nm_init(struct msm_dsi_phy > *phy) > > pll_7nm->vco_delay = 1; > > - ret = pll_7nm_register(pll_7nm); > + ret = pll_7nm_register(pll_7nm, phy->provided_clocks->hws); > if (ret) { > DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret); > return ret; > @@ -1138,7 +1093,6 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = { > .pll_init = dsi_pll_7nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_7nm_get_provider, > .destroy = dsi_pll_7nm_destroy, > .save_state = dsi_pll_7nm_save_state, > .restore_state = dsi_pll_7nm_restore_state, > @@ -1165,7 +1119,6 @@ const struct msm_dsi_phy_cfg > dsi_phy_7nm_8150_cfgs = { > .pll_init = dsi_pll_7nm_init, > }, > .pll_ops = { > - .get_provider = dsi_pll_7nm_get_provider, > .destroy = dsi_pll_7nm_destroy, > .save_state = dsi_pll_7nm_save_state, > .restore_state = dsi_pll_7nm_restore_state, > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c > b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c > index 98ee4560581a..914e95435dcb 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c > @@ -57,11 +57,8 @@ void msm_dsi_pll_helper_clk_unprepare(struct clk_hw > *hw) > pll->pll_on = false; > } > > -void msm_dsi_pll_helper_unregister_clks(struct platform_device *pdev, > - struct clk **clks, u32 num_clks) > +void msm_dsi_pll_helper_unregister_clks(struct clk **clks, u32 > num_clks) > { > - of_clk_del_provider(pdev->dev.of_node); > - > if (!num_clks || !clks) > return; > > @@ -74,17 +71,6 @@ void msm_dsi_pll_helper_unregister_clks(struct > platform_device *pdev, > /* > * DSI PLL API > */ > -int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll, > - struct clk **byte_clk_provider, struct clk **pixel_clk_provider) > -{ > - if (pll->cfg->pll_ops.get_provider) > - return pll->cfg->pll_ops.get_provider(pll, > - byte_clk_provider, > - pixel_clk_provider); > - > - return -EINVAL; > -} > - > void msm_dsi_pll_destroy(struct msm_dsi_pll *pll) > { > if (pll->cfg->pll_ops.destroy) > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h > b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h > index 8306911f8318..d819a886beb8 100644 > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h > @@ -55,8 +55,7 @@ long msm_dsi_pll_helper_clk_round_rate(struct clk_hw > *hw, > int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw); > void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw); > /* misc */ > -void msm_dsi_pll_helper_unregister_clks(struct platform_device *pdev, > - struct clk **clks, u32 num_clks); > +void msm_dsi_pll_helper_unregister_clks(struct clk **clks, u32 > num_clks); > > #endif /* __DSI_PLL_H__ */