Earlier there were no mode_valid() helper for crtc and tilcdc had a hack to over come this limitation. But now the mode_valid() helper is there (has been since v4.13), so it is about time to get rid of that hack. Signed-off-by: Jyri Sarha <jsarha@xxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- This is just a rebased version of this patch: https://patchwork.kernel.org/patch/10851549/ The only purpose of this resend is to help dim apply the patch cleanly. drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 28 +++----- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 1 - drivers/gpu/drm/tilcdc/tilcdc_drv.h | 2 - drivers/gpu/drm/tilcdc/tilcdc_external.c | 88 +++--------------------- drivers/gpu/drm/tilcdc/tilcdc_external.h | 1 - drivers/gpu/drm/tilcdc/tilcdc_panel.c | 9 --- drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 9 --- 7 files changed, 19 insertions(+), 119 deletions(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 8fa9b3e5e230..e9dd5e5cb4e7 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -650,9 +650,6 @@ static bool tilcdc_crtc_mode_fixup(struct drm_crtc *crtc, static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { - struct drm_display_mode *mode = &state->mode; - int ret; - /* If we are not active we don't care */ if (!state->active) return 0; @@ -664,12 +661,6 @@ static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc, return -EINVAL; } - ret = tilcdc_crtc_mode_valid(crtc, mode); - if (ret) { - dev_dbg(crtc->dev->dev, "Mode \"%s\" not valid", mode->name); - return -EINVAL; - } - return 0; } @@ -721,13 +712,6 @@ static const struct drm_crtc_funcs tilcdc_crtc_funcs = { .disable_vblank = tilcdc_crtc_disable_vblank, }; -static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = { - .mode_fixup = tilcdc_crtc_mode_fixup, - .atomic_check = tilcdc_crtc_atomic_check, - .atomic_enable = tilcdc_crtc_atomic_enable, - .atomic_disable = tilcdc_crtc_atomic_disable, -}; - int tilcdc_crtc_max_width(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -742,7 +726,9 @@ int tilcdc_crtc_max_width(struct drm_crtc *crtc) return max_width; } -int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode) +static enum drm_mode_status +tilcdc_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) { struct tilcdc_drm_private *priv = crtc->dev->dev_private; unsigned int bandwidth; @@ -830,6 +816,14 @@ int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode) return MODE_OK; } +static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = { + .mode_valid = tilcdc_crtc_mode_valid, + .mode_fixup = tilcdc_crtc_mode_fixup, + .atomic_check = tilcdc_crtc_atomic_check, + .atomic_enable = tilcdc_crtc_atomic_enable, + .atomic_disable = tilcdc_crtc_atomic_disable, +}; + void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc, const struct tilcdc_panel_info *info) { diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 3046a4a4232d..2a9e67597375 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -199,7 +199,6 @@ static void tilcdc_fini(struct drm_device *dev) drm_kms_helper_poll_fini(dev); drm_irq_uninstall(dev); drm_mode_config_cleanup(dev); - tilcdc_remove_external_device(dev); if (priv->clk) clk_put(priv->clk); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h index e93f801a4ce7..18815e75ca4f 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h @@ -77,7 +77,6 @@ struct tilcdc_drm_private { struct drm_encoder *external_encoder; struct drm_connector *external_connector; - const struct drm_connector_helper_funcs *connector_funcs; bool is_registered; bool is_componentized; @@ -159,7 +158,6 @@ void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc, const struct tilcdc_panel_info *info); void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc, bool simulate_vesa_sync); -int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode); int tilcdc_crtc_max_width(struct drm_crtc *crtc); void tilcdc_crtc_shutdown(struct drm_crtc *crtc); int tilcdc_crtc_update_fb(struct drm_crtc *crtc, diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c index 39f4c0a02349..43d756b7810e 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_external.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c @@ -38,64 +38,6 @@ static const struct tilcdc_panel_info panel_info_default = { .raster_order = 0, }; -static int tilcdc_external_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct tilcdc_drm_private *priv = connector->dev->dev_private; - int ret; - - ret = tilcdc_crtc_mode_valid(priv->crtc, mode); - if (ret != MODE_OK) - return ret; - - BUG_ON(priv->external_connector != connector); - BUG_ON(!priv->connector_funcs); - - /* If the connector has its own mode_valid call it. */ - if (!IS_ERR(priv->connector_funcs) && - priv->connector_funcs->mode_valid) - return priv->connector_funcs->mode_valid(connector, mode); - - return MODE_OK; -} - -static int tilcdc_add_external_connector(struct drm_device *dev, - struct drm_connector *connector) -{ - struct tilcdc_drm_private *priv = dev->dev_private; - struct drm_connector_helper_funcs *connector_funcs; - - /* There should never be more than one connector */ - if (WARN_ON(priv->external_connector)) - return -EINVAL; - - priv->external_connector = connector; - connector_funcs = devm_kzalloc(dev->dev, sizeof(*connector_funcs), - GFP_KERNEL); - if (!connector_funcs) - return -ENOMEM; - - /* connector->helper_private contains always struct - * connector_helper_funcs pointer. For tilcdc crtc to have a - * say if a specific mode is Ok, we need to install our own - * helper functions. In our helper functions we copy - * everything else but use our own mode_valid() (above). - */ - if (connector->helper_private) { - priv->connector_funcs = connector->helper_private; - *connector_funcs = *priv->connector_funcs; - } else { - priv->connector_funcs = ERR_PTR(-ENOENT); - } - connector_funcs->mode_valid = tilcdc_external_mode_valid; - drm_connector_helper_add(connector, connector_funcs); - - dev_dbg(dev->dev, "External connector '%s' connected\n", - connector->name); - - return 0; -} - static struct drm_connector *tilcdc_encoder_find_connector(struct drm_device *ddev, struct drm_encoder *encoder) @@ -116,7 +58,6 @@ struct drm_connector *tilcdc_encoder_find_connector(struct drm_device *ddev, int tilcdc_add_component_encoder(struct drm_device *ddev) { struct tilcdc_drm_private *priv = ddev->dev_private; - struct drm_connector *connector; struct drm_encoder *encoder; list_for_each_entry(encoder, &ddev->mode_config.encoder_list, head) @@ -128,28 +69,17 @@ int tilcdc_add_component_encoder(struct drm_device *ddev) return -ENODEV; } - connector = tilcdc_encoder_find_connector(ddev, encoder); + priv->external_connector = + tilcdc_encoder_find_connector(ddev, encoder); - if (!connector) + if (!priv->external_connector) return -ENODEV; /* Only tda998x is supported at the moment. */ tilcdc_crtc_set_simulate_vesa_sync(priv->crtc, true); tilcdc_crtc_set_panel_info(priv->crtc, &panel_info_tda998x); - return tilcdc_add_external_connector(ddev, connector); -} - -void tilcdc_remove_external_device(struct drm_device *dev) -{ - struct tilcdc_drm_private *priv = dev->dev_private; - - /* Restore the original helper functions, if any. */ - if (IS_ERR(priv->connector_funcs)) - drm_connector_helper_add(priv->external_connector, NULL); - else if (priv->connector_funcs) - drm_connector_helper_add(priv->external_connector, - priv->connector_funcs); + return 0; } static const struct drm_encoder_funcs tilcdc_external_encoder_funcs = { @@ -160,7 +90,6 @@ static int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge) { struct tilcdc_drm_private *priv = ddev->dev_private; - struct drm_connector *connector; int ret; priv->external_encoder->possible_crtcs = BIT(0); @@ -173,13 +102,12 @@ int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge) tilcdc_crtc_set_panel_info(priv->crtc, &panel_info_default); - connector = tilcdc_encoder_find_connector(ddev, priv->external_encoder); - if (!connector) + priv->external_connector = + tilcdc_encoder_find_connector(ddev, priv->external_encoder); + if (!priv->external_connector) return -ENODEV; - ret = tilcdc_add_external_connector(ddev, connector); - - return ret; + return 0; } int tilcdc_attach_external_device(struct drm_device *ddev) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.h b/drivers/gpu/drm/tilcdc/tilcdc_external.h index 7024b4877fdf..fb4476694cd8 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_external.h +++ b/drivers/gpu/drm/tilcdc/tilcdc_external.h @@ -8,7 +8,6 @@ #define __TILCDC_EXTERNAL_H__ int tilcdc_add_component_encoder(struct drm_device *dev); -void tilcdc_remove_external_device(struct drm_device *dev); int tilcdc_get_external_components(struct device *dev, struct component_match **match); int tilcdc_attach_external_device(struct drm_device *ddev); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 11eb9fd38c4e..5584e656b857 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -163,14 +163,6 @@ static int panel_connector_get_modes(struct drm_connector *connector) return i; } -static int panel_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct tilcdc_drm_private *priv = connector->dev->dev_private; - /* our only constraints are what the crtc can generate: */ - return tilcdc_crtc_mode_valid(priv->crtc, mode); -} - static struct drm_encoder *panel_connector_best_encoder( struct drm_connector *connector) { @@ -188,7 +180,6 @@ static const struct drm_connector_funcs panel_connector_funcs = { static const struct drm_connector_helper_funcs panel_connector_helper_funcs = { .get_modes = panel_connector_get_modes, - .mode_valid = panel_connector_mode_valid, .best_encoder = panel_connector_best_encoder, }; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c index c6e4e52f32bc..525dc1c0f1c1 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c @@ -175,14 +175,6 @@ static int tfp410_connector_get_modes(struct drm_connector *connector) return ret; } -static int tfp410_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct tilcdc_drm_private *priv = connector->dev->dev_private; - /* our only constraints are what the crtc can generate: */ - return tilcdc_crtc_mode_valid(priv->crtc, mode); -} - static struct drm_encoder *tfp410_connector_best_encoder( struct drm_connector *connector) { @@ -201,7 +193,6 @@ static const struct drm_connector_funcs tfp410_connector_funcs = { static const struct drm_connector_helper_funcs tfp410_connector_helper_funcs = { .get_modes = tfp410_connector_get_modes, - .mode_valid = tfp410_connector_mode_valid, .best_encoder = tfp410_connector_best_encoder, }; 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