[PATCH v4 11/24] drm/msm/dsi: use devm_clk_*register to registe DSI PHY clocks

Use devres-enabled version of clock registration functions. This lets us remove dsi_pll destroy callbacks completely.

Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reviewed-by: Abhinav Kumar abhinavk@codeaurora.org Tested-by: Stephen Boyd swboyd@chromium.org # on sc7180 lazor --- drivers/gpu/drm/msm/dsi/dsi.h | 4 - drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 2 - drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 1 - drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 84 ++++--------------- drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 35 +------- drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 50 +++++------ .../gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 39 +++------ drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 84 ++++--------------- drivers/gpu/drm/msm/dsi/phy/dsi_pll.c | 17 ---- drivers/gpu/drm/msm/dsi/phy/dsi_pll.h | 4 - 10 files changed, 71 insertions(+), 249 deletions(-)

diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 43590f338d20..0970f05cd47f 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -95,13 +95,9 @@ struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi); /* dsi pll */ struct msm_dsi_pll; #ifdef CONFIG_DRM_MSM_DSI_PLL -void msm_dsi_pll_destroy(struct msm_dsi_pll *pll); 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 void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) { } diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 69214447f757..df3b91b0ea88 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -744,7 +744,6 @@ static int dsi_phy_driver_probe(struct platform_device *pdev) fail: if (phy->pll) { of_clk_del_provider(dev->of_node); - msm_dsi_pll_destroy(phy->pll); phy->pll = NULL; }

@@ -757,7 +756,6 @@ static int dsi_phy_driver_remove(struct platform_device *pdev)

if (phy && phy->pll) { of_clk_del_provider(pdev->dev.of_node); - msm_dsi_pll_destroy(phy->pll); phy->pll = NULL; }

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h index c3099629fa3b..2c5196844ba9 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -23,7 +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); - void (*destroy)(struct msm_dsi_pll *pll); void (*save_state)(struct msm_dsi_pll *pll); int (*restore_state)(struct msm_dsi_pll *pll); }; 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 8666da1c29e5..6300b92c65eb 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -103,15 +103,6 @@ struct dsi_pll_10nm { struct dsi_pll_config pll_configuration; struct dsi_pll_regs reg_setup;

- /* private clocks: */ - struct clk_hw *out_div_clk_hw; - struct clk_hw *bit_clk_hw; - struct clk_hw *byte_clk_hw; - struct clk_hw *by_2_bit_clk_hw; - struct clk_hw *post_out_div_clk_hw; - struct clk_hw *pclk_mux_hw; - struct clk_hw *out_dsiclk_hw; - struct pll_10nm_cached_state cached_state;

enum msm_dsi_phy_usecase uc; @@ -614,22 +605,6 @@ static int dsi_pll_10nm_set_usecase(struct msm_dsi_pll *pll, return 0; }

-static void dsi_pll_10nm_destroy(struct msm_dsi_pll *pll) -{ - struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll); - - DBG("DSI PLL%d", pll_10nm->id); - - clk_hw_unregister_divider(pll_10nm->out_dsiclk_hw); - clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); - clk_hw_unregister_fixed_factor(pll_10nm->post_out_div_clk_hw); - clk_hw_unregister_fixed_factor(pll_10nm->by_2_bit_clk_hw); - clk_hw_unregister_fixed_factor(pll_10nm->byte_clk_hw); - clk_hw_unregister_divider(pll_10nm->bit_clk_hw); - clk_hw_unregister_divider(pll_10nm->out_div_clk_hw); - clk_hw_unregister(&pll_10nm->base.clk_hw); -} - /* * The post dividers and mux clocks are created using the standard divider and * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux @@ -656,30 +631,28 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov snprintf(vco_name, 32, "dsi%dvco_clk", pll_10nm->id); pll_10nm->base.clk_hw.init = &vco_init;

- ret = clk_hw_register(dev, &pll_10nm->base.clk_hw); + ret = devm_clk_hw_register(dev, &pll_10nm->base.clk_hw); if (ret) return ret;

snprintf(clk_name, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); snprintf(parent, 32, "dsi%dvco_clk", pll_10nm->id);

- hw = clk_hw_register_divider(dev, clk_name, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, CLK_SET_RATE_PARENT, pll_10nm->mmio + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_base_clk_hw; + goto fail; }

- pll_10nm->out_div_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pll_bit_clk", pll_10nm->id); snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->id);

/* BIT CLK: DIV_CTRL_3_0 */ - hw = clk_hw_register_divider(dev, clk_name, parent, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, CLK_SET_RATE_PARENT, pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG0, @@ -687,56 +660,49 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov &pll_10nm->postdiv_lock); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_out_div_clk_hw; + goto fail; }

- pll_10nm->bit_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_10nm->id); snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id);

/* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */ - hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, CLK_SET_RATE_PARENT, 1, 8); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_bit_clk_hw; + goto fail; }

- pll_10nm->byte_clk_hw = 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);

- hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 2); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_byte_clk_hw; + goto fail; }

- pll_10nm->by_2_bit_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->id); snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_10nm->id);

- hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 4); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_by_2_bit_clk_hw; + goto fail; }

- pll_10nm->post_out_div_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_10nm->id); snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id); snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_10nm->id); snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_10nm->id); snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_10nm->id);

- hw = clk_hw_register_mux(dev, clk_name, + hw = devm_clk_hw_register_mux(dev, clk_name, ((const char *[]){ parent, parent2, parent3, parent4 }), 4, 0, pll_10nm->phy_cmn_mmio + @@ -744,44 +710,28 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov 0, 2, 0, NULL); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_post_out_div_clk_hw; + goto fail; }

- pll_10nm->pclk_mux_hw = hw; - snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_10nm->id); snprintf(parent, 32, "dsi%d_pclk_mux", pll_10nm->id);

/* PIX CLK DIV : DIV_CTRL_7_4*/ - hw = clk_hw_register_divider(dev, clk_name, parent, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, 0, pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_CLK_CFG0, 4, 4, CLK_DIVIDER_ONE_BASED, &pll_10nm->postdiv_lock); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_pclk_mux_hw; + goto fail; }

- pll_10nm->out_dsiclk_hw = hw; provided_clocks[DSI_PIXEL_PLL_CLK] = hw;

return 0;

-err_pclk_mux_hw: - clk_hw_unregister_mux(pll_10nm->pclk_mux_hw); -err_post_out_div_clk_hw: - clk_hw_unregister_fixed_factor(pll_10nm->post_out_div_clk_hw); -err_by_2_bit_clk_hw: - clk_hw_unregister_fixed_factor(pll_10nm->by_2_bit_clk_hw); -err_byte_clk_hw: - clk_hw_unregister_fixed_factor(pll_10nm->byte_clk_hw); -err_bit_clk_hw: - clk_hw_unregister_divider(pll_10nm->bit_clk_hw); -err_out_div_clk_hw: - clk_hw_unregister_divider(pll_10nm->out_div_clk_hw); -err_base_clk_hw: - clk_hw_unregister(&pll_10nm->base.clk_hw); +fail:

return ret; } @@ -1060,7 +1010,6 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = { .pll_init = dsi_pll_10nm_init, }, .pll_ops = { - .destroy = dsi_pll_10nm_destroy, .save_state = dsi_pll_10nm_save_state, .restore_state = dsi_pll_10nm_restore_state, }, @@ -1085,7 +1034,6 @@ const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = { .pll_init = dsi_pll_10nm_init, }, .pll_ops = { - .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 07ecdf34f614..7fe7c8348b42 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c @@ -133,10 +133,6 @@ struct dsi_pll_14nm { u64 vco_current_rate; u64 vco_ref_clk_rate;

- /* private clocks: */ - struct clk_hw *hws[NUM_DSI_CLOCKS_MAX]; - u32 num_hws; - struct pll_14nm_cached_state cached_state;

enum msm_dsi_phy_usecase uc; @@ -872,15 +868,6 @@ static int dsi_pll_14nm_set_usecase(struct msm_dsi_pll *pll, return 0; }

-static void dsi_pll_14nm_destroy(struct msm_dsi_pll *pll) -{ - struct dsi_pll_14nm *pll_14nm = to_pll_14nm(pll); - int num_hws = pll_14nm->num_hws; - - while (num_hws--) - clk_hw_unregister(pll_14nm->hws[num_hws]); -} - static struct clk_hw *pll_14nm_postdiv_register(struct dsi_pll_14nm *pll_14nm, const char *name, const char *parent_name, @@ -910,7 +897,7 @@ static struct clk_hw *pll_14nm_postdiv_register(struct dsi_pll_14nm *pll_14nm, pll_postdiv->flags = CLK_DIVIDER_ONE_BASED; pll_postdiv->hw.init = &postdiv_init;

- ret = clk_hw_register(dev, &pll_postdiv->hw); + ret = devm_clk_hw_register(dev, &pll_postdiv->hw); if (ret) return ERR_PTR(ret);

@@ -928,9 +915,7 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov .ops = &clk_ops_dsi_pll_14nm_vco, }; struct device *dev = &pll_14nm->pdev->dev; - struct clk_hw **hws = pll_14nm->hws; struct clk_hw *hw; - int num = 0; int ret;

DBG("DSI%d", pll_14nm->id); @@ -938,12 +923,10 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov snprintf(vco_name, 32, "dsi%dvco_clk", pll_14nm->id); pll_14nm->base.clk_hw.init = &vco_init;

- ret = clk_hw_register(dev, &pll_14nm->base.clk_hw); + ret = devm_clk_hw_register(dev, &pll_14nm->base.clk_hw); if (ret) return ret;

- hws[num++] = &pll_14nm->base.clk_hw; - snprintf(clk_name, 32, "dsi%dn1_postdiv_clk", pll_14nm->id); snprintf(parent, 32, "dsi%dvco_clk", pll_14nm->id);

@@ -953,18 +936,15 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov if (IS_ERR(hw)) return PTR_ERR(hw);

- hws[num++] = hw; - snprintf(clk_name, 32, "dsi%dpllbyte", pll_14nm->id); snprintf(parent, 32, "dsi%dn1_postdiv_clk", pll_14nm->id);

/* DSI Byte clock = VCO_CLK / N1 / 8 */ - hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, CLK_SET_RATE_PARENT, 1, 8); if (IS_ERR(hw)) return PTR_ERR(hw);

- hws[num++] = hw; provided_clocks[DSI_BYTE_PLL_CLK] = hw;

snprintf(clk_name, 32, "dsi%dn1_postdivby2_clk", pll_14nm->id); @@ -974,12 +954,10 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov * Skip the mux for now, force DSICLK_SEL to 1, Add a /2 divider * on the way. Don't let it set parent. */ - hw = clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 2); + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 2); if (IS_ERR(hw)) return PTR_ERR(hw);

- hws[num++] = hw; - snprintf(clk_name, 32, "dsi%dpll", pll_14nm->id); snprintf(parent, 32, "dsi%dn1_postdivby2_clk", pll_14nm->id);

@@ -991,11 +969,8 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov if (IS_ERR(hw)) return PTR_ERR(hw);

- hws[num++] = hw; provided_clocks[DSI_PIXEL_PLL_CLK] = hw;

- pll_14nm->num_hws = num; - return 0; }

@@ -1184,7 +1159,6 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = { .pll_init = dsi_pll_14nm_init, }, .pll_ops = { - .destroy = dsi_pll_14nm_destroy, .save_state = dsi_pll_14nm_save_state, .restore_state = dsi_pll_14nm_restore_state, .disable_seq = dsi_pll_14nm_disable_seq, @@ -1211,7 +1185,6 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = { .pll_init = dsi_pll_14nm_init, }, .pll_ops = { - .destroy = dsi_pll_14nm_destroy, .save_state = dsi_pll_14nm_save_state, .restore_state = dsi_pll_14nm_restore_state, .disable_seq = dsi_pll_14nm_disable_seq, 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 3446be318648..3e9b7949b038 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c @@ -74,10 +74,6 @@ struct dsi_pll_28nm {

int vco_delay;

- /* private clocks: */ - struct clk *clks[NUM_DSI_CLOCKS_MAX]; - u32 num_clks; - struct pll_28nm_cached_state cached_state; };

@@ -486,15 +482,6 @@ static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) 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->clks, pll_28nm->num_clks); - - pll_28nm->num_clks = 0; -} - 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]; @@ -506,53 +493,63 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; - struct clk **clks = pll_28nm->clks; - int num = 0; + struct clk_hw *hw; + int ret;

DBG("%d", pll_28nm->id);

snprintf(vco_name, 32, "dsi%dvco_clk", pll_28nm->id); pll_28nm->base.clk_hw.init = &vco_init; - clks[num++] = clk_register(dev, &pll_28nm->base.clk_hw); + ret = devm_clk_hw_register(dev, &pll_28nm->base.clk_hw); + if (ret) + return ret;

snprintf(clk_name, 32, "dsi%danalog_postdiv_clk", pll_28nm->id); snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); - clks[num++] = clk_register_divider(dev, clk_name, + hw = devm_clk_hw_register_divider(dev, clk_name, parent1, CLK_SET_RATE_PARENT, pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG, 0, 4, 0, NULL); + if (IS_ERR(hw)) + return PTR_ERR(hw);

snprintf(clk_name, 32, "dsi%dindirect_path_div2_clk", pll_28nm->id); snprintf(parent1, 32, "dsi%danalog_postdiv_clk", pll_28nm->id); - clks[num++] = clk_register_fixed_factor(dev, clk_name, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent1, CLK_SET_RATE_PARENT, 1, 2); + if (IS_ERR(hw)) + return PTR_ERR(hw);

snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); - clks[num++] = clk_register_divider(dev, clk_name, + hw = devm_clk_hw_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]); + if (IS_ERR(hw)) + return PTR_ERR(hw); + provided_clocks[DSI_PIXEL_PLL_CLK] = hw;

snprintf(clk_name, 32, "dsi%dbyte_mux", pll_28nm->id); snprintf(parent1, 32, "dsi%dvco_clk", pll_28nm->id); snprintf(parent2, 32, "dsi%dindirect_path_div2_clk", pll_28nm->id); - clks[num++] = clk_register_mux(dev, clk_name, + hw = devm_clk_hw_register_mux(dev, clk_name, ((const char *[]){ parent1, parent2 }), 2, CLK_SET_RATE_PARENT, pll_28nm->mmio + REG_DSI_28nm_PHY_PLL_VREG_CFG, 1, 1, 0, NULL); + if (IS_ERR(hw)) + return PTR_ERR(hw);

snprintf(clk_name, 32, "dsi%dpllbyte", pll_28nm->id); snprintf(parent1, 32, "dsi%dbyte_mux", pll_28nm->id); - clks[num++] = clk_register_fixed_factor(dev, clk_name, + hw = devm_clk_hw_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; + if (IS_ERR(hw)) + return PTR_ERR(hw); + provided_clocks[DSI_BYTE_PLL_CLK] = hw;

return 0; } @@ -758,7 +755,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = { .pll_init = dsi_pll_28nm_init, }, .pll_ops = { - .destroy = dsi_pll_28nm_destroy, .save_state = dsi_pll_28nm_save_state, .restore_state = dsi_pll_28nm_restore_state, .disable_seq = dsi_pll_28nm_disable_seq, @@ -785,7 +781,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = { .pll_init = dsi_pll_28nm_init, }, .pll_ops = { - .destroy = dsi_pll_28nm_destroy, .save_state = dsi_pll_28nm_save_state, .restore_state = dsi_pll_28nm_restore_state, .disable_seq = dsi_pll_28nm_disable_seq, @@ -812,7 +807,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = { .pll_init = dsi_pll_28nm_init, }, .pll_ops = { - .destroy = dsi_pll_28nm_destroy, .save_state = dsi_pll_28nm_save_state, .restore_state = dsi_pll_28nm_restore_state, .disable_seq = dsi_pll_28nm_disable_seq, 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 c4b433790cfb..45b2bf482392 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 @@ -64,13 +64,6 @@ struct dsi_pll_28nm { struct platform_device *pdev; void __iomem *mmio;

- /* custom byte clock divider */ - struct clk_bytediv *bytediv; - - /* private clocks: */ - struct clk *clks[NUM_DSI_CLOCKS_MAX]; - u32 num_clks; - struct pll_28nm_cached_state cached_state; };

@@ -368,13 +361,6 @@ static int dsi_pll_28nm_restore_state(struct msm_dsi_pll *pll) 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->clks, pll_28nm->num_clks); -} - static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **provided_clocks) { char *clk_name, *parent_name, *vco_name; @@ -385,10 +371,10 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; - struct clk **clks = pll_28nm->clks; + struct clk_hw *hw; struct clk_bytediv *bytediv; struct clk_init_data bytediv_init = { }; - int num = 0; + int ret;

DBG("%d", pll_28nm->id);

@@ -404,14 +390,14 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov if (!clk_name) return -ENOMEM;

- pll_28nm->bytediv = bytediv; - snprintf(vco_name, 32, "dsi%dvco_clk", pll_28nm->id); vco_init.name = vco_name;

pll_28nm->base.clk_hw.init = &vco_init;

- clks[num++] = clk_register(dev, &pll_28nm->base.clk_hw); + ret = devm_clk_hw_register(dev, &pll_28nm->base.clk_hw); + if (ret) + return ret;

/* prepare and register bytediv */ bytediv->hw.init = &bytediv_init; @@ -427,18 +413,20 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov bytediv_init.num_parents = 1;

/* DIV2 */ - clks[num++] = clk_register(dev, &bytediv->hw); - provided_clocks[DSI_BYTE_PLL_CLK] = __clk_get_hw(clks[num - 1]); + ret = devm_clk_hw_register(dev, &bytediv->hw); + if (ret) + return ret; + provided_clocks[DSI_BYTE_PLL_CLK] = &bytediv->hw;

snprintf(clk_name, 32, "dsi%dpll", pll_28nm->id); /* DIV3 */ - clks[num++] = clk_register_divider(dev, clk_name, + hw = devm_clk_hw_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; + if (IS_ERR(hw)) + return PTR_ERR(hw); + provided_clocks[DSI_PIXEL_PLL_CLK] = hw;

return 0; } @@ -662,7 +650,6 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = { .pll_init = dsi_pll_28nm_8960_init, }, .pll_ops = { - .destroy = dsi_pll_28nm_destroy, .save_state = dsi_pll_28nm_save_state, .restore_state = dsi_pll_28nm_restore_state, .disable_seq = dsi_pll_28nm_disable_seq, 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 0b601afa9e49..c482e51d1bee 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -103,15 +103,6 @@ struct dsi_pll_7nm { struct dsi_pll_config pll_configuration; struct dsi_pll_regs reg_setup;

- /* private clocks: */ - struct clk_hw *out_div_clk_hw; - struct clk_hw *bit_clk_hw; - struct clk_hw *byte_clk_hw; - struct clk_hw *by_2_bit_clk_hw; - struct clk_hw *post_out_div_clk_hw; - struct clk_hw *pclk_mux_hw; - struct clk_hw *out_dsiclk_hw; - struct pll_7nm_cached_state cached_state;

enum msm_dsi_phy_usecase uc; @@ -639,22 +630,6 @@ static int dsi_pll_7nm_set_usecase(struct msm_dsi_pll *pll, return 0; }

-static void dsi_pll_7nm_destroy(struct msm_dsi_pll *pll) -{ - struct dsi_pll_7nm *pll_7nm = to_pll_7nm(pll); - - DBG("DSI PLL%d", pll_7nm->id); - - clk_hw_unregister_divider(pll_7nm->out_dsiclk_hw); - clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); - clk_hw_unregister_fixed_factor(pll_7nm->post_out_div_clk_hw); - clk_hw_unregister_fixed_factor(pll_7nm->by_2_bit_clk_hw); - clk_hw_unregister_fixed_factor(pll_7nm->byte_clk_hw); - clk_hw_unregister_divider(pll_7nm->bit_clk_hw); - clk_hw_unregister_divider(pll_7nm->out_div_clk_hw); - clk_hw_unregister(&pll_7nm->base.clk_hw); -} - /* * The post dividers and mux clocks are created using the standard divider and * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux @@ -681,30 +656,28 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide snprintf(vco_name, 32, "dsi%dvco_clk", pll_7nm->id); pll_7nm->base.clk_hw.init = &vco_init;

- ret = clk_hw_register(dev, &pll_7nm->base.clk_hw); + ret = devm_clk_hw_register(dev, &pll_7nm->base.clk_hw); if (ret) return ret;

snprintf(clk_name, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); snprintf(parent, 32, "dsi%dvco_clk", pll_7nm->id);

- hw = clk_hw_register_divider(dev, clk_name, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, CLK_SET_RATE_PARENT, pll_7nm->mmio + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_base_clk_hw; + goto fail; }

- pll_7nm->out_div_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pll_bit_clk", pll_7nm->id); snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_7nm->id);

/* BIT CLK: DIV_CTRL_3_0 */ - hw = clk_hw_register_divider(dev, clk_name, parent, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, CLK_SET_RATE_PARENT, pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG0, @@ -712,56 +685,49 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide &pll_7nm->postdiv_lock); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_out_div_clk_hw; + goto fail; }

- pll_7nm->bit_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_7nm->id); snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id);

/* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */ - hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, CLK_SET_RATE_PARENT, 1, 8); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_bit_clk_hw; + goto fail; }

- pll_7nm->byte_clk_hw = 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);

- hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 2); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_byte_clk_hw; + goto fail; }

- pll_7nm->by_2_bit_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->id); snprintf(parent, 32, "dsi%d_pll_out_div_clk", pll_7nm->id);

- hw = clk_hw_register_fixed_factor(dev, clk_name, parent, + hw = devm_clk_hw_register_fixed_factor(dev, clk_name, parent, 0, 1, 4); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_by_2_bit_clk_hw; + goto fail; }

- pll_7nm->post_out_div_clk_hw = hw; - snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_7nm->id); snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->id); snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->id); snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_7nm->id); snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->id);

- hw = clk_hw_register_mux(dev, clk_name, + hw = devm_clk_hw_register_mux(dev, clk_name, ((const char *[]){ parent, parent2, parent3, parent4 }), 4, 0, pll_7nm->phy_cmn_mmio + @@ -769,44 +735,28 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide 0, 2, 0, NULL); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_post_out_div_clk_hw; + goto fail; }

- pll_7nm->pclk_mux_hw = hw; - snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_7nm->id); snprintf(parent, 32, "dsi%d_pclk_mux", pll_7nm->id);

/* PIX CLK DIV : DIV_CTRL_7_4*/ - hw = clk_hw_register_divider(dev, clk_name, parent, + hw = devm_clk_hw_register_divider(dev, clk_name, parent, 0, pll_7nm->phy_cmn_mmio + REG_DSI_7nm_PHY_CMN_CLK_CFG0, 4, 4, CLK_DIVIDER_ONE_BASED, &pll_7nm->postdiv_lock); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto err_pclk_mux_hw; + goto fail; }

- pll_7nm->out_dsiclk_hw = hw; provided_clocks[DSI_PIXEL_PLL_CLK] = hw;

return 0;

-err_pclk_mux_hw: - clk_hw_unregister_mux(pll_7nm->pclk_mux_hw); -err_post_out_div_clk_hw: - clk_hw_unregister_fixed_factor(pll_7nm->post_out_div_clk_hw); -err_by_2_bit_clk_hw: - clk_hw_unregister_fixed_factor(pll_7nm->by_2_bit_clk_hw); -err_byte_clk_hw: - clk_hw_unregister_fixed_factor(pll_7nm->byte_clk_hw); -err_bit_clk_hw: - clk_hw_unregister_divider(pll_7nm->bit_clk_hw); -err_out_div_clk_hw: - clk_hw_unregister_divider(pll_7nm->out_div_clk_hw); -err_base_clk_hw: - clk_hw_unregister(&pll_7nm->base.clk_hw); +fail:

return ret; } @@ -1093,7 +1043,6 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = { .pll_init = dsi_pll_7nm_init, }, .pll_ops = { - .destroy = dsi_pll_7nm_destroy, .save_state = dsi_pll_7nm_save_state, .restore_state = dsi_pll_7nm_restore_state, }, @@ -1119,7 +1068,6 @@ const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = { .pll_init = dsi_pll_7nm_init, }, .pll_ops = { - .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 914e95435dcb..96de79b94f1b 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c @@ -57,26 +57,9 @@ void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw) pll->pll_on = false; }

-void msm_dsi_pll_helper_unregister_clks(struct clk **clks, u32 num_clks) -{ - if (!num_clks || !clks) - return; - - do { - clk_unregister(clks[--num_clks]); - clks[num_clks] = NULL; - } while (num_clks); -} - /* * DSI PLL API */ -void msm_dsi_pll_destroy(struct msm_dsi_pll *pll) -{ - if (pll->cfg->pll_ops.destroy) - pll->cfg->pll_ops.destroy(pll); -} - void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) { if (pll->cfg->pll_ops.save_state) { diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h index d819a886beb8..c94f079b8275 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h @@ -11,8 +11,6 @@

#include "dsi.h"

-#define NUM_DSI_CLOCKS_MAX 6 - struct msm_dsi_pll { struct clk_hw clk_hw; bool pll_on; @@ -54,8 +52,6 @@ long msm_dsi_pll_helper_clk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate); 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 clk **clks, u32 num_clks);

#endif /* __DSI_PLL_H__ */