Regulators for the DPI, DSI, HDMI, SDI and VENC outputs are all looked up when connecting the output omap_dss_device. There's no need to delay regulator handling to that time, get the regulators at probe time.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/omapdrm/dss/dpi.c | 69 ++++++++++++++++++------------------- drivers/gpu/drm/omapdrm/dss/dsi.c | 36 ++++--------------- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 33 +++++------------- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 31 +++++------------ drivers/gpu/drm/omapdrm/dss/sdi.c | 32 +++++------------ drivers/gpu/drm/omapdrm/dss/venc.c | 32 +++++------------ 6 files changed, 72 insertions(+), 161 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index b60f279b3225..f51d6b97bc6e 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -550,38 +550,6 @@ static int dpi_verify_pll(struct dss_pll *pll) return 0; }
-static const struct soc_device_attribute dpi_soc_devices[] = { - { .machine = "OMAP3[456]*" }, - { .machine = "[AD]M37*" }, - { /* sentinel */ } -}; - -static int dpi_init_regulator(struct dpi_data *dpi) -{ - struct regulator *vdds_dsi; - - /* - * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and - * DM37xx only. - */ - if (!soc_device_match(dpi_soc_devices)) - return 0; - - if (dpi->vdds_dsi_reg) - return 0; - - vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_DSI regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dpi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void dpi_init_pll(struct dpi_data *dpi) { struct dss_pll *pll; @@ -645,10 +613,6 @@ static int dpi_connect(struct omap_dss_device *dssdev, struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); int r;
- r = dpi_init_regulator(dpi); - if (r) - return r; - dpi_init_pll(dpi);
r = dss_mgr_connect(dssdev); @@ -736,6 +700,35 @@ static void dpi_uninit_output_port(struct device_node *port) omapdss_device_unregister(out); }
+static const struct soc_device_attribute dpi_soc_devices[] = { + { .machine = "OMAP3[456]*" }, + { .machine = "[AD]M37*" }, + { /* sentinel */ } +}; + +static int dpi_init_regulator(struct dpi_data *dpi) +{ + struct regulator *vdds_dsi; + + /* + * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and + * DM37xx only. + */ + if (!soc_device_match(dpi_soc_devices)) + return 0; + + vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); + if (IS_ERR(vdds_dsi)) { + if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) + DSSERR("can't get VDDS_DSI regulator\n"); + return PTR_ERR(vdds_dsi); + } + + dpi->vdds_dsi_reg = vdds_dsi; + + return 0; +} + int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, struct device_node *port, enum dss_model dss_model) { @@ -768,6 +761,10 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev,
mutex_init(&dpi->lock);
+ r = dpi_init_regulator(dpi); + if (r) + return r; + return dpi_init_output_port(dpi, port); }
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 2c2570e1ef2f..6718c7f04423 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -1137,26 +1137,6 @@ static void dsi_runtime_put(struct dsi_data *dsi) WARN_ON(r < 0 && r != -ENOSYS); }
-static int dsi_regulator_init(struct dsi_data *dsi) -{ - struct regulator *vdds_dsi; - - if (dsi->vdds_dsi_reg != NULL) - return 0; - - vdds_dsi = devm_regulator_get(dsi->dev, "vdd"); - - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get DSI VDD regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dsi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void _dsi_print_reset_status(struct dsi_data *dsi) { u32 l; @@ -1353,10 +1333,6 @@ static int dsi_pll_enable(struct dss_pll *pll)
DSSDBG("PLL init\n");
- r = dsi_regulator_init(dsi); - if (r) - return r; - r = dsi_runtime_get(dsi); if (r) return r; @@ -4908,13 +4884,8 @@ static int dsi_get_clocks(struct dsi_data *dsi) static int dsi_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct dsi_data *dsi = to_dsi_data(dssdev); int r;
- r = dsi_regulator_init(dsi); - if (r) - return r; - r = dss_mgr_connect(dssdev); if (r) return r; @@ -5384,6 +5355,13 @@ static int dsi_probe(struct platform_device *pdev) return r; }
+ dsi->vdds_dsi_reg = devm_regulator_get(dev, "vdd"); + if (IS_ERR(dsi->vdds_dsi_reg)) { + if (PTR_ERR(dsi->vdds_dsi_reg) != -EPROBE_DEFER) + DSSERR("can't get DSI VDD regulator\n"); + return PTR_ERR(dsi->vdds_dsi_reg); + } + soc = soc_device_match(dsi_soc_devices); if (soc) dsi->data = soc->data; diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index b01ed17f4206..e26fe8a9251d 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -108,26 +108,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; }
-static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - - if (IS_ERR(reg)) { - if (PTR_ERR(reg) != -EPROBE_DEFER) - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -451,13 +431,8 @@ void hdmi4_core_disable(struct hdmi_core_data *core) static int hdmi_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r;
- r = hdmi_init_regulator(hdmi); - if (r) - return r; - r = dss_mgr_connect(dssdev); if (r) return r; @@ -817,6 +792,14 @@ static int hdmi4_probe(struct platform_device *pdev) goto err_free; }
+ hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } + pm_runtime_enable(&pdev->dev);
r = hdmi4_init_output(hdmi); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 003d6031144f..640e21f20aef 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -117,24 +117,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; }
-static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - if (IS_ERR(reg)) { - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -454,13 +436,8 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) static int hdmi_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r;
- r = hdmi_init_regulator(hdmi); - if (r) - return r; - r = dss_mgr_connect(dssdev); if (r) return r; @@ -807,6 +784,14 @@ static int hdmi5_probe(struct platform_device *pdev) goto err_free; }
+ hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } + pm_runtime_enable(&pdev->dev);
r = hdmi5_init_output(hdmi); diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index bbfd4ba3255c..1766c95236da 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -249,35 +249,11 @@ static int sdi_check_timings(struct omap_dss_device *dssdev, return 0; }
-static int sdi_init_regulator(struct sdi_device *sdi) -{ - struct regulator *vdds_sdi; - - if (sdi->vdds_sdi_reg) - return 0; - - vdds_sdi = devm_regulator_get(&sdi->pdev->dev, "vdds_sdi"); - if (IS_ERR(vdds_sdi)) { - if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_SDI regulator\n"); - return PTR_ERR(vdds_sdi); - } - - sdi->vdds_sdi_reg = vdds_sdi; - - return 0; -} - static int sdi_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct sdi_device *sdi = dssdev_to_sdi(dssdev); int r;
- r = sdi_init_regulator(sdi); - if (r) - return r; - r = dss_mgr_connect(dssdev); if (r) return r; @@ -376,6 +352,14 @@ int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, sdi->pdev = pdev; port->data = sdi;
+ sdi->vdds_sdi_reg = devm_regulator_get(&pdev->dev, "vdds_sdi"); + if (IS_ERR(sdi->vdds_sdi_reg)) { + r = PTR_ERR(sdi->vdds_sdi_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDS_SDI regulator\n"); + goto err_free; + } + r = sdi_init_output(sdi); if (r) goto err_free; diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index db055260f50e..9c1fe6aef074 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -614,25 +614,6 @@ static int venc_check_timings(struct omap_dss_device *dssdev, } }
-static int venc_init_regulator(struct venc_device *venc) -{ - struct regulator *vdda_dac; - - if (venc->vdda_dac_reg != NULL) - return 0; - - vdda_dac = devm_regulator_get(&venc->pdev->dev, "vdda"); - if (IS_ERR(vdda_dac)) { - if (PTR_ERR(vdda_dac) != -EPROBE_DEFER) - DSSERR("can't get VDDA_DAC regulator\n"); - return PTR_ERR(vdda_dac); - } - - venc->vdda_dac_reg = vdda_dac; - - return 0; -} - static int venc_dump_regs(struct seq_file *s, void *p) { struct venc_device *venc = s->private; @@ -713,13 +694,8 @@ static int venc_get_clocks(struct venc_device *venc) static int venc_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { - struct venc_device *venc = dssdev_to_venc(dssdev); int r;
- r = venc_init_regulator(venc); - if (r) - return r; - r = dss_mgr_connect(dssdev); if (r) return r; @@ -908,6 +884,14 @@ static int venc_probe(struct platform_device *pdev) goto err_free; }
+ venc->vdda_dac_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(venc->vdda_dac_reg)) { + r = PTR_ERR(venc->vdda_dac_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA_DAC regulator\n"); + goto err_free; + } + r = venc_get_clocks(venc); if (r) goto err_free;