From c068408ef386e151e566ab96dd9e3103b264189b Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 13 Feb 2018 14:00:34 +0200 Subject: [PATCH] drm: omapdrm: dsi: Combine two commonly used inline functions The dsi_get_dsidrv_data() and dsi_get_dsidev_from_dssdev() inline functions convert a struct omap_dss_device pointer to the corresponding struct platform_device, and a struct platform_device pointer to the corresponding struct dsi_data. They are nearly always called together without any use of the intermediate platform_device, so combine them into a single function. In the three locations where only dsi_get_dsidrv_data() is used, call dev_get_drvdata() directly. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel --- drivers/gpu/drm/omapdrm/dss/dsi.c | 90 +++++++++++++-------------------------- 1 file changed, 30 insertions(+), 60 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 7b5656e6abbb..cb250dbf0f9b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -439,14 +439,9 @@ static bool dsi_perf; module_param(dsi_perf, bool, 0644); #endif -static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dsidev) +static inline struct dsi_data *to_dsi_data(struct omap_dss_device *dssdev) { - return dev_get_drvdata(&dsidev->dev); -} - -static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev) -{ - return to_platform_device(dssdev->dev); + return dev_get_drvdata(dssdev->dev); } static struct dsi_data *dsi_get_dsi_from_id(int module) @@ -467,7 +462,7 @@ static struct dsi_data *dsi_get_dsi_from_id(int module) out = omap_dss_get_output(id); - return out ? dsi_get_dsidrv_data(to_platform_device(out->dev)) : NULL; + return out ? to_dsi_data(out) : NULL; } static inline void dsi_write_reg(struct dsi_data *dsi, @@ -501,16 +496,14 @@ static inline u32 dsi_read_reg(struct dsi_data *dsi, const struct dsi_reg idx) static void dsi_bus_lock(struct omap_dss_device *dssdev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); down(&dsi->bus_lock); } static void dsi_bus_unlock(struct omap_dss_device *dssdev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); up(&dsi->bus_lock); } @@ -2534,8 +2527,7 @@ static int dsi_vc_config_source(struct dsi_data *dsi, int channel, static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel, bool enable) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable); @@ -2658,8 +2650,7 @@ static int dsi_vc_send_bta(struct dsi_data *dsi, int channel) static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); DECLARE_COMPLETION_ONSTACK(completion); int r = 0; u32 err; @@ -2861,8 +2852,7 @@ static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel, static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, u8 *data, int len) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); return dsi_vc_write_nosync_common(dsi, channel, data, len, DSS_DSI_CONTENT_DCS); @@ -2871,8 +2861,7 @@ static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel, u8 *data, int len) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); return dsi_vc_write_nosync_common(dsi, channel, data, len, DSS_DSI_CONTENT_GENERIC); @@ -2882,8 +2871,7 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel, u8 *data, int len, enum dss_dsi_content_type type) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int r; r = dsi_vc_write_nosync_common(dsi, channel, data, len, type); @@ -3088,8 +3076,7 @@ err: static int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd, u8 *buf, int buflen) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int r; r = dsi_vc_dcs_send_read_request(dsi, channel, dcs_cmd); @@ -3119,8 +3106,7 @@ err: static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel, u8 *reqdata, int reqlen, u8 *buf, int buflen) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int r; r = dsi_vc_generic_send_read_request(dsi, channel, reqdata, reqlen); @@ -3147,8 +3133,7 @@ static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel, static int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel, u16 len) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); return dsi_vc_send_short(dsi, channel, MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, len, 0); @@ -3782,8 +3767,7 @@ static void dsi_proto_timings(struct dsi_data *dsi) static int dsi_configure_pins(struct omap_dss_device *dssdev, const struct omap_dsi_pin_config *pin_cfg) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int num_pins; const int *pins; struct dsi_lane_config lanes[DSI_MAX_NR_LANES]; @@ -3848,8 +3832,7 @@ static int dsi_configure_pins(struct omap_dss_device *dssdev, static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); enum omap_channel dispc_channel = dssdev->dispc_channel; int bpp = dsi_get_pixel_size(dsi->pix_fmt); struct omap_dss_device *out = &dsi->output; @@ -3919,8 +3902,7 @@ err_init_dispc: static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); enum omap_channel dispc_channel = dssdev->dispc_channel; if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { @@ -4076,8 +4058,7 @@ static void dsi_framedone_irq_callback(void *data) static int dsi_update(struct omap_dss_device *dssdev, int channel, void (*callback)(int, void *), void *data) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); u16 dw, dh; dsi_perf_mark_setup(dsi); @@ -4285,8 +4266,7 @@ static void dsi_display_uninit_dsi(struct dsi_data *dsi, bool disconnect_lanes, static int dsi_display_enable(struct omap_dss_device *dssdev) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int r = 0; DSSDBG("dsi_display_enable\n"); @@ -4320,8 +4300,7 @@ err_get_dsi: static void dsi_display_disable(struct omap_dss_device *dssdev, bool disconnect_lanes, bool enter_ulps) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); DSSDBG("dsi_display_disable\n"); @@ -4343,8 +4322,7 @@ static void dsi_display_disable(struct omap_dss_device *dssdev, static int dsi_enable_te(struct omap_dss_device *dssdev, bool enable) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); dsi->te_enabled = enable; return 0; @@ -4830,8 +4808,7 @@ static bool dsi_vm_calc(struct dsi_data *dsi, static int dsi_set_config(struct omap_dss_device *dssdev, const struct omap_dss_dsi_config *config) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); struct dsi_clk_calc_ctx ctx; bool ok; int r; @@ -4918,8 +4895,7 @@ static enum omap_channel dsi_get_channel(struct dsi_data *dsi) static int dsi_request_vc(struct omap_dss_device *dssdev, int *channel) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); int i; for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) { @@ -4936,8 +4912,7 @@ static int dsi_request_vc(struct omap_dss_device *dssdev, int *channel) static int dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); if (vc_id < 0 || vc_id > 3) { DSSERR("VC ID out of range\n"); @@ -4962,8 +4937,7 @@ static int dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id) static void dsi_release_vc(struct omap_dss_device *dssdev, int channel) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); if ((channel >= 0 && channel <= 3) && dsi->vc[channel].dssdev == dssdev) { @@ -4991,8 +4965,7 @@ static int dsi_get_clocks(struct dsi_data *dsi) static int dsi_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = to_dsi_data(dssdev); enum omap_channel dispc_channel = dssdev->dispc_channel; int r; @@ -5507,13 +5480,12 @@ err_runtime_get: static void dsi_unbind(struct device *dev, struct device *master, void *data) { - struct platform_device *dsidev = to_platform_device(dev); - struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + struct dsi_data *dsi = dev_get_drvdata(dev); dss_debugfs_remove_file(dsi->debugfs.irqs); dss_debugfs_remove_file(dsi->debugfs.regs); - of_platform_depopulate(&dsidev->dev); + of_platform_depopulate(dev); WARN_ON(dsi->scp_clk_refcount > 0); @@ -5521,7 +5493,7 @@ static void dsi_unbind(struct device *dev, struct device *master, void *data) dsi_uninit_output(dsi); - pm_runtime_disable(&dsidev->dev); + pm_runtime_disable(dev); if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) { regulator_disable(dsi->vdds_dsi_reg); @@ -5547,8 +5519,7 @@ static int dsi_remove(struct platform_device *pdev) static int dsi_runtime_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); + struct dsi_data *dsi = dev_get_drvdata(dev); dsi->is_enabled = false; /* ensure the irq handler sees the is_enabled value */ @@ -5563,8 +5534,7 @@ static int dsi_runtime_suspend(struct device *dev) static int dsi_runtime_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); + struct dsi_data *dsi = dev_get_drvdata(dev); int r; r = dispc_runtime_get(); -- 2.11.0