diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/sdi.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/sdi.c | 68 |
1 files changed, 21 insertions, 47 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index b2fe2387037a..7aae52984fed 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -37,7 +37,7 @@ struct sdi_device { struct regulator *vdds_sdi_reg; struct dss_lcd_mgr_config mgr_config; - struct videomode vm; + unsigned long pixelclock; int datapairs; struct omap_dss_device output; @@ -129,27 +129,22 @@ static void sdi_config_lcd_manager(struct sdi_device *sdi) dss_mgr_set_lcd_config(&sdi->output, &sdi->mgr_config); } -static int sdi_display_enable(struct omap_dss_device *dssdev) +static void sdi_display_enable(struct omap_dss_device *dssdev) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); struct dispc_clock_info dispc_cinfo; unsigned long fck; int r; - if (!sdi->output.dispc_channel_connected) { - DSSERR("failed to enable display: no output/manager\n"); - return -ENODEV; - } - r = regulator_enable(sdi->vdds_sdi_reg); if (r) - goto err_reg_enable; + return; r = dispc_runtime_get(sdi->dss->dispc); if (r) goto err_get_dispc; - r = sdi_calc_clock_div(sdi, sdi->vm.pixelclock, &fck, &dispc_cinfo); + r = sdi_calc_clock_div(sdi, sdi->pixelclock, &fck, &dispc_cinfo); if (r) goto err_calc_clock_div; @@ -185,7 +180,7 @@ static int sdi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_mgr_enable; - return 0; + return; err_mgr_enable: dss_sdi_disable(sdi->dss); @@ -195,8 +190,6 @@ err_calc_clock_div: dispc_runtime_put(sdi->dss->dispc); err_get_dispc: regulator_disable(sdi->vdds_sdi_reg); -err_reg_enable: - return r; } static void sdi_display_disable(struct omap_dss_device *dssdev) @@ -213,36 +206,37 @@ static void sdi_display_disable(struct omap_dss_device *dssdev) } static void sdi_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - sdi->vm = *vm; + sdi->pixelclock = mode->clock * 1000; } static int sdi_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); struct dispc_clock_info dispc_cinfo; + unsigned long pixelclock = mode->clock * 1000; unsigned long fck; unsigned long pck; int r; - if (vm->pixelclock == 0) + if (pixelclock == 0) return -EINVAL; - r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + r = sdi_calc_clock_div(sdi, pixelclock, &fck, &dispc_cinfo); if (r) return r; pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - if (pck != vm->pixelclock) { + if (pck != pixelclock) { DSSWARN("Pixel clock adjusted from %lu Hz to %lu Hz\n", - vm->pixelclock, pck); + pixelclock, pck); - vm->pixelclock = pck; + mode->clock = pck / 1000; } return 0; @@ -251,21 +245,12 @@ static int sdi_check_timings(struct omap_dss_device *dssdev, static int sdi_connect(struct omap_dss_device *src, struct omap_dss_device *dst) { - int r; - - r = omapdss_device_connect(dst->dss, dst, dst->next); - if (r) - return r; - - dst->dispc_channel_connected = true; - return 0; + return omapdss_device_connect(dst->dss, dst, dst->next); } static void sdi_disconnect(struct omap_dss_device *src, struct omap_dss_device *dst) { - dst->dispc_channel_connected = false; - omapdss_device_disconnect(dst, dst->next); } @@ -287,29 +272,19 @@ static int sdi_init_output(struct sdi_device *sdi) out->dev = &sdi->pdev->dev; out->id = OMAP_DSS_OUTPUT_SDI; - out->output_type = OMAP_DISPLAY_TYPE_SDI; + out->type = OMAP_DISPLAY_TYPE_SDI; out->name = "sdi.0"; out->dispc_channel = OMAP_DSS_CHANNEL_LCD; /* We have SDI only on OMAP3, where it's on port 1 */ out->of_ports = BIT(1); out->ops = &sdi_ops; out->owner = THIS_MODULE; - out->bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE /* 15.5.9.1.2 */ - | DRM_BUS_FLAG_SYNC_POSEDGE; - - out->next = omapdss_of_find_connected_device(out->dev->of_node, 1); - if (IS_ERR(out->next)) { - if (PTR_ERR(out->next) != -EPROBE_DEFER) - dev_err(out->dev, "failed to find video sink\n"); - return PTR_ERR(out->next); - } + out->bus_flags = DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE /* 15.5.9.1.2 */ + | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE; - r = omapdss_output_validate(out); - if (r) { - omapdss_device_put(out->next); - out->next = NULL; + r = omapdss_device_init_output(out); + if (r < 0) return r; - } omapdss_device_register(out); @@ -318,9 +293,8 @@ static int sdi_init_output(struct sdi_device *sdi) static void sdi_uninit_output(struct sdi_device *sdi) { - if (sdi->output.next) - omapdss_device_put(sdi->output.next); omapdss_device_unregister(&sdi->output); + omapdss_device_cleanup_output(&sdi->output); } int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, |