Morph msm_dsi_pll_save/restore_state() into msm_dsi_phy_save/restore_state(), thus removing last bits of knowledge about msm_dsi_pll from dsi_manager.
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/dsi/dsi.h | 18 ++--------- drivers/gpu/drm/msm/dsi/dsi_manager.c | 6 ++-- drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 35 +++++++++++++++------- drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 11 +++++++ drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 2 +- drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 2 +- drivers/gpu/drm/msm/dsi/phy/dsi_pll.c | 26 ---------------- drivers/gpu/drm/msm/dsi/phy/dsi_pll.h | 11 ------- 8 files changed, 42 insertions(+), 69 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index c4a3ef4a3c09..351bfbeb53bd 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -104,21 +104,6 @@ static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi)
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_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_save_state(struct msm_dsi_pll *pll) -{ -} -static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) -{ - return 0; -} -#endif - /* dsi host */ struct msm_dsi_host; int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, @@ -192,9 +177,10 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, void msm_dsi_phy_disable(struct msm_dsi_phy *phy); void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, struct msm_dsi_phy_shared_timings *shared_timing); -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); +void msm_dsi_phy_save_state(struct msm_dsi_phy *phy); +int msm_dsi_phy_restore_state(struct msm_dsi_phy *phy);
#endif /* __DSI_CONNECTOR_H__ */
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 6b65d86d116a..2976b09a881d 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -493,7 +493,6 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1); struct mipi_dsi_host *host = msm_dsi->host; struct drm_panel *panel = msm_dsi->panel; - struct msm_dsi_pll *src_pll; bool is_dual_dsi = IS_DUAL_DSI(); int ret;
@@ -527,9 +526,8 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) id, ret); }
- /* Save PLL status if it is a clock source */ - src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); - msm_dsi_pll_save_state(src_pll); + /* Save PHY status if it is a clock source */ + msm_dsi_phy_save_state(msm_dsi->phy);
ret = msm_dsi_host_power_off(host); if (ret) diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 4535cc5d22a5..e9424a4c636e 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -799,9 +799,9 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, * source. */ if (phy->usecase != MSM_DSI_PHY_SLAVE) { - ret = msm_dsi_pll_restore_state(phy->pll); + ret = msm_dsi_phy_restore_state(phy); if (ret) { - DRM_DEV_ERROR(dev, "%s: failed to restore pll state, %d\n", + DRM_DEV_ERROR(dev, "%s: failed to restore phy state, %d\n", __func__, ret); goto pll_restor_fail; } @@ -838,17 +838,32 @@ void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy, sizeof(*shared_timings)); }
-struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy) -{ - if (!phy) - return NULL; - - return phy->pll; -} - void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, enum msm_dsi_phy_usecase uc) { if (phy) phy->usecase = uc; } + +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; + } +} + +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 (ret) + return ret; + + phy->pll->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 06e560548c8e..75fc24f9f013 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -6,6 +6,7 @@ #ifndef __DSI_PHY_H__ #define __DSI_PHY_H__
+#include <linux/clk-provider.h> #include <linux/regulator/consumer.h>
#include "dsi.h" @@ -16,6 +17,16 @@ /* v3.0.0 10nm implementation that requires the old timings settings */ #define V3_0_0_10NM_OLD_TIMINGS_QUIRK BIT(0)
+struct msm_dsi_pll { + struct clk_hw clk_hw; + bool pll_on; + bool state_saved; + + const struct msm_dsi_phy_cfg *cfg; +}; + +#define hw_clk_to_pll(x) container_of(x, struct msm_dsi_pll, clk_hw) + struct msm_dsi_phy_ops { int (*pll_init)(struct msm_dsi_phy *phy); int (*enable)(struct msm_dsi_phy *phy, int src_pll_id, 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 9910cee8c9a5..81ca0cf2a3ad 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -779,7 +779,7 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy *phy) phy->pll = pll;
/* TODO: Remove this when we have proper display handover support */ - msm_dsi_pll_save_state(pll); + msm_dsi_phy_save_state(phy);
return 0; } 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 0b9438bb8050..c6f0aca66fa9 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c @@ -804,7 +804,7 @@ static int dsi_pll_7nm_init(struct msm_dsi_phy *phy) phy->pll = pll;
/* TODO: Remove this when we have proper display handover support */ - msm_dsi_pll_save_state(pll); + msm_dsi_phy_save_state(phy);
return 0; } diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c index 96de79b94f1b..652c2d6bfeec 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.c @@ -56,29 +56,3 @@ void msm_dsi_pll_helper_clk_unprepare(struct clk_hw *hw)
pll->pll_on = false; } - -/* - * DSI PLL API - */ -void msm_dsi_pll_save_state(struct msm_dsi_pll *pll) -{ - if (pll->cfg->pll_ops.save_state) { - pll->cfg->pll_ops.save_state(pll); - pll->state_saved = true; - } -} - -int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll) -{ - int ret; - - if (pll->cfg->pll_ops.restore_state && pll->state_saved) { - ret = pll->cfg->pll_ops.restore_state(pll); - if (ret) - return ret; - - pll->state_saved = false; - } - - return 0; -} diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h index c94f079b8275..eca13cf67c21 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_pll.h @@ -6,21 +6,10 @@ #ifndef __DSI_PLL_H__ #define __DSI_PLL_H__
-#include <linux/clk-provider.h> #include <linux/delay.h>
#include "dsi.h"
-struct msm_dsi_pll { - struct clk_hw clk_hw; - bool pll_on; - bool state_saved; - - const struct msm_dsi_phy_cfg *cfg; -}; - -#define hw_clk_to_pll(x) container_of(x, struct msm_dsi_pll, clk_hw) - static inline void pll_write(void __iomem *reg, u32 data) { msm_writel(data, reg);