From a1bc07c5205193ff1d771f4ef23402ae1400d42a Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Thu, 29 May 2014 19:25:55 +0200 Subject: drm: Don't export internal module variables Drivers really have no business touching these. Noticed because exynose _did_ touch the vblank off delay, which could potentially affect other drivers. drm_debug is an exception since it's used in macros and inline functions. Note that this reduces the timeout on exynos from 50s to 5s. Apparently this was done to paper over a vblank get/put race in exynos, but really should be fixed properly somewhere else. Spotted by David. v2: Drop bonghits changes. Note to self: Don't submit patches before first coffee. Cc: Inki Dae Reviewed-by: David Herrmann Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 14d1646..f4148bf 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -38,17 +38,13 @@ unsigned int drm_debug = 0; /* 1 to enable debug output */ EXPORT_SYMBOL(drm_debug); unsigned int drm_rnodes = 0; /* 1 to enable experimental render nodes API */ -EXPORT_SYMBOL(drm_rnodes); /* 1 to allow user space to request universal planes (experimental) */ unsigned int drm_universal_planes = 0; -EXPORT_SYMBOL(drm_universal_planes); unsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ -EXPORT_SYMBOL(drm_vblank_offdelay); unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ -EXPORT_SYMBOL(drm_timestamp_precision); /* * Default to use monotonic timestamps for wait-for-vblank and page-flip diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index d91f277..ddb5003 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -39,8 +39,6 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 -#define VBLANK_OFF_DELAY 50000 - static struct platform_device *exynos_drm_pdev; static DEFINE_MUTEX(drm_component_lock); @@ -103,8 +101,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) /* setup possible_clones. */ exynos_drm_encoder_setup(dev); - drm_vblank_offdelay = VBLANK_OFF_DELAY; - platform_set_drvdata(dev->platformdev, dev); /* Try to bind all sub drivers. */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 36535f3..fca4b98 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -40,8 +40,6 @@ struct drm_device; struct exynos_drm_overlay; struct drm_connector; -extern unsigned int drm_vblank_offdelay; - /* This enumerates device type. */ enum exynos_drm_device_type { EXYNOS_DEVICE_TYPE_NONE, -- cgit v0.10.2 From 735b9ffada0563afa52d0879cf6d630819ee68ad Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Mon, 9 Jun 2014 14:39:50 +0100 Subject: drm: Driver-specific ioctls range from 0x40 to 0x9f DRM_COMMAND_END is 0xa0, so the last driver ioctl is 0x9f, not 0x99. Signed-off-by: Damien Lespiau Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 9abbeb9..b0b8556 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -780,7 +780,7 @@ struct drm_prime_handle { /** * Device specific ioctls should only be in their respective headers - * The device specific ioctl range is from 0x40 to 0x99. + * The device specific ioctl range is from 0x40 to 0x9f. * Generic IOCTLS restart at 0xA0. * * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and -- cgit v0.10.2 From c3e25ae34fab3557b17a585446b5576e49d2f203 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Sat, 7 Jun 2014 10:55:39 -0400 Subject: drm: fix uninitialized acquire_ctx fields (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The acquire ctx will typically be declared on the stack, which means we could have garbage values for any uninitialized field. In this case, it was triggering WARN_ON()s because 'contended' had garbage value. Go ahead and use memset() to be more future-proof. v2: now with extra brown paper bag Reported-by: Ville Syrjälä Signed-off-by: Rob Clark Reviewed-by: Ville Syrjälä Tested-by: Ville Syrjälä Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index 7c2497d..0dc57d5 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c @@ -64,6 +64,7 @@ void drm_modeset_acquire_init(struct drm_modeset_acquire_ctx *ctx, uint32_t flags) { + memset(ctx, 0, sizeof(*ctx)); ww_acquire_init(&ctx->ww_ctx, &crtc_ww_class); INIT_LIST_HEAD(&ctx->locked); } -- cgit v0.10.2 From 34ea3d386347cd6de4c2fa2491dd85c9e753e7e4 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Thu, 29 May 2014 16:57:41 +0100 Subject: drm: add register and unregister functions for connectors Introduce generic functions to register and unregister connectors. This provides a common place to add and remove associated user space interfaces. Signed-off-by: Thomas Wood Reviewed-by: David Herrmann Signed-off-by: Daniel Vetter diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 7df3134..b314a42 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -1610,7 +1610,7 @@ int max_width, max_height; The connector is then registered with a call to drm_connector_init with a pointer to the connector functions and a connector type, and exposed through sysfs with a call to - drm_sysfs_connector_add. + drm_connector_register. Supported connector types are @@ -1768,7 +1768,7 @@ int max_width, max_height; (drm_encoder_cleanup) and connectors (drm_connector_cleanup). Furthermore, connectors that have been added to sysfs must be removed by a call to - drm_sysfs_connector_remove before calling + drm_connector_unregister before calling drm_connector_cleanup. @@ -1813,7 +1813,7 @@ void intel_crt_init(struct drm_device *dev) drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs); drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); }]]> In the example above (taken from the i915 driver), a CRTC, connector and diff --git a/drivers/gpu/drm/armada/armada_output.c b/drivers/gpu/drm/armada/armada_output.c index d685a54..abbc309 100644 --- a/drivers/gpu/drm/armada/armada_output.c +++ b/drivers/gpu/drm/armada/armada_output.c @@ -48,7 +48,7 @@ static void armada_drm_connector_destroy(struct drm_connector *conn) { struct armada_connector *dconn = drm_to_armada_conn(conn); - drm_sysfs_connector_remove(conn); + drm_connector_unregister(conn); drm_connector_cleanup(conn); kfree(dconn); } @@ -141,7 +141,7 @@ int armada_output_create(struct drm_device *dev, if (ret) goto err_conn; - ret = drm_sysfs_connector_add(&dconn->conn); + ret = drm_connector_register(&dconn->conn); if (ret) goto err_sysfs; diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 114aee9..9896286 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -829,7 +829,7 @@ static void ast_connector_destroy(struct drm_connector *connector) { struct ast_connector *ast_connector = to_ast_connector(connector); ast_i2c_destroy(ast_connector->i2c); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -871,7 +871,7 @@ static int ast_connector_init(struct drm_device *dev) connector->interlace_allowed = 0; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); connector->polled = DRM_CONNECTOR_POLL_CONNECT; diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c index 98fd17a..d466696 100644 --- a/drivers/gpu/drm/bridge/ptn3460.c +++ b/drivers/gpu/drm/bridge/ptn3460.c @@ -328,7 +328,7 @@ int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder, } drm_connector_helper_add(&ptn_bridge->connector, &ptn3460_connector_helper_funcs); - drm_sysfs_connector_add(&ptn_bridge->connector); + drm_connector_register(&ptn_bridge->connector); drm_mode_connector_attach_encoder(&ptn_bridge->connector, encoder); return 0; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index fe94cc1..c50c827 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -921,6 +921,34 @@ void drm_connector_cleanup(struct drm_connector *connector) EXPORT_SYMBOL(drm_connector_cleanup); /** + * drm_connector_register - register a connector + * @connector: the connector to register + * + * Register userspace interfaces for a connector + * + * Returns: + * Zero on success, error code on failure. + */ +int drm_connector_register(struct drm_connector *connector) +{ + return drm_sysfs_connector_add(connector); +} +EXPORT_SYMBOL(drm_connector_register); + +/** + * drm_connector_unregister - unregister a connector + * @connector: the connector to unregister + * + * Unregister userspace interfaces for a connector + */ +void drm_connector_unregister(struct drm_connector *connector) +{ + drm_sysfs_connector_remove(connector); +} +EXPORT_SYMBOL(drm_connector_unregister); + + +/** * drm_connector_unplug_all - unregister connector userspace interfaces * @dev: drm device * @@ -934,7 +962,7 @@ void drm_connector_unplug_all(struct drm_device *dev) /* taking the mode config mutex ends up in a clash with sysfs */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); } EXPORT_SYMBOL(drm_connector_unplug_all); diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 369b262..7827dad 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -438,7 +438,6 @@ err_out_files: out: return ret; } -EXPORT_SYMBOL(drm_sysfs_connector_add); /** * drm_sysfs_connector_remove - remove an connector device from sysfs @@ -468,7 +467,6 @@ void drm_sysfs_connector_remove(struct drm_connector *connector) device_unregister(connector->kdev); connector->kdev = NULL; } -EXPORT_SYMBOL(drm_sysfs_connector_remove); /** * drm_sysfs_hotplug_event - generate a DRM uevent diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index a8ffc8c..86dc69d 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1018,7 +1018,7 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 9a16dbe..25c7888 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -185,7 +185,7 @@ static void exynos_drm_connector_destroy(struct drm_connector *connector) struct exynos_drm_connector *exynos_connector = to_exynos_connector(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(exynos_connector); } @@ -230,7 +230,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, drm_connector_init(dev, connector, &exynos_connector_funcs, type); drm_connector_helper_add(connector, &exynos_connector_helper_funcs); - err = drm_sysfs_connector_add(connector); + err = drm_connector_register(connector); if (err) goto err_connector; @@ -250,7 +250,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, return connector; err_sysfs: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); err_connector: drm_connector_cleanup(connector); kfree(exynos_connector); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 482127f..4693531 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -48,7 +48,7 @@ exynos_dpi_detect(struct drm_connector *connector, bool force) static void exynos_dpi_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -117,7 +117,7 @@ static int exynos_dpi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dpi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 6302aa6..2df3592 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1246,7 +1246,7 @@ static int exynos_dsi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &exynos_dsi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 2fb8705..9528d81 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -562,7 +562,7 @@ static int vidi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &vidi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index c104d0c..dd565c4 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1129,7 +1129,7 @@ static int hdmi_create_connector(struct exynos_drm_display *display, } drm_connector_helper_add(connector, &hdmi_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); return 0; diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c index c18268c..248c33a 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c @@ -192,7 +192,7 @@ static void cdv_intel_crt_destroy(struct drm_connector *connector) struct gma_encoder *gma_encoder = gma_attached_encoder(connector); psb_intel_i2c_destroy(gma_encoder->ddc_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -304,7 +304,7 @@ void cdv_intel_crt_init(struct drm_device *dev, drm_connector_helper_add(connector, &cdv_intel_crt_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_ddc: diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index 9ff30c2..a4cc0e6 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -1713,7 +1713,7 @@ cdv_intel_dp_destroy(struct drm_connector *connector) } } i2c_del_adapter(&intel_dp->adapter); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -1847,7 +1847,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev connector->interlace_allowed = false; connector->doublescan_allowed = false; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); /* Set up the DDC bus. */ switch (output_reg) { diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c index b99084b..4268bf2 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -248,7 +248,7 @@ static void cdv_hdmi_destroy(struct drm_connector *connector) if (gma_encoder->i2c_bus) psb_intel_i2c_destroy(gma_encoder->i2c_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -356,7 +356,7 @@ void cdv_hdmi_init(struct drm_device *dev, hdmi_priv->hdmi_i2c_adapter = &(gma_encoder->i2c_bus->adapter); hdmi_priv->dev = dev; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_ddc: diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index 8ecc920..0b77039 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -446,7 +446,7 @@ static void cdv_intel_lvds_destroy(struct drm_connector *connector) if (gma_encoder->i2c_bus) psb_intel_i2c_destroy(gma_encoder->i2c_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -774,7 +774,7 @@ void cdv_intel_lvds_init(struct drm_device *dev, out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c index 6e91b20..abf2248 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c @@ -318,7 +318,7 @@ static void mdfld_dsi_connector_destroy(struct drm_connector *connector) if (!dsi_connector) return; - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); sender = dsi_connector->pkg_sender; mdfld_dsi_pkg_sender_destroy(sender); @@ -597,7 +597,7 @@ void mdfld_dsi_output_init(struct drm_device *dev, dsi_config->encoder = encoder; encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; /*TODO: add code to destroy outputs on error*/ diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index cf018dd..e6f5c62 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -665,7 +665,7 @@ void oaktrail_hdmi_init(struct drm_device *dev, connector->display_info.subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); dev_info(dev->dev, "HDMI initialised.\n"); return; diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c index 9b09946..0d39da6 100644 --- a/drivers/gpu/drm/gma500/oaktrail_lvds.c +++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c @@ -404,7 +404,7 @@ void oaktrail_lvds_init(struct drm_device *dev, out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index d7778d0..88aad95 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -563,7 +563,7 @@ void psb_intel_lvds_destroy(struct drm_connector *connector) if (lvds_priv->ddc_bus) psb_intel_i2c_destroy(lvds_priv->ddc_bus); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -829,7 +829,7 @@ void psb_intel_lvds_init(struct drm_device *dev, */ out: mutex_unlock(&dev->mode_config.mutex); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; failed_find: diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c index deeb082..0be96fd 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c @@ -1682,7 +1682,7 @@ static void psb_intel_sdvo_destroy(struct drm_connector *connector) psb_intel_sdvo_connector->tv_format); psb_intel_sdvo_destroy_enhance_property(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -2071,7 +2071,7 @@ psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector, connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; gma_connector_attach_encoder(&connector->base, &encoder->base); - drm_sysfs_connector_add(&connector->base.base); + drm_connector_register(&connector->base.base); } static void diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 5a045d3..8da5ef9 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -869,7 +869,7 @@ void intel_crt_init(struct drm_device *dev) drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (!I915_HAS_HOTPLUG(dev)) intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index efd3cf5..dbabaec 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12234,7 +12234,7 @@ void intel_connector_unregister(struct intel_connector *intel_connector) struct drm_connector *connector = &intel_connector->base; intel_panel_destroy_backlight(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); } void intel_modeset_cleanup(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 52fda95..99f033f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4246,7 +4246,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, edp_panel_vdd_work); intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (HAS_DDI(dev)) intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; @@ -4289,7 +4289,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, edp_panel_vdd_off_sync(intel_dp); drm_modeset_unlock(&dev->mode_config.connection_mutex); } - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); return false; } diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 02f99d7..7c07ee0 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -742,7 +742,7 @@ bool intel_dsi_init(struct drm_device *dev) intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); fixed_mode = dsi->dev_ops->get_modes(&intel_dsi->dev); if (!fixed_mode) { diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index a3631c0..3fb71a0 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -558,7 +558,7 @@ void intel_dvo_init(struct drm_device *dev) intel_dvo->panel_wants_dither = true; } - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return; } diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index eee2bbe..0b60310 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1490,7 +1490,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_hdmi_add_properties(intel_hdmi, connector); intel_connector_attach_encoder(intel_connector, intel_encoder); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written * 0xd. Failure to do so will result in spurious interrupts being diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 2312602..4d29a83 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -1097,7 +1097,7 @@ out: DRM_DEBUG_KMS("lid notifier registration failed\n"); lvds_connector->lid_notifier.notifier_call = NULL; } - drm_sysfs_connector_add(connector); + drm_connector_register(connector); intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); intel_panel_setup_backlight(connector); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 6a4d5bc..e0be8ae 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2431,7 +2431,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, connector->base.unregister = intel_sdvo_connector_unregister; intel_connector_attach_encoder(&connector->base, &encoder->base); - ret = drm_sysfs_connector_add(drm_connector); + ret = drm_connector_register(drm_connector); if (ret < 0) goto err1; @@ -2444,7 +2444,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, return 0; err2: - drm_sysfs_connector_remove(drm_connector); + drm_connector_unregister(drm_connector); err1: drm_connector_cleanup(drm_connector); @@ -2557,7 +2557,7 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type) return true; err: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); return false; } @@ -2636,7 +2636,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) return true; err: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); return false; } @@ -2709,7 +2709,7 @@ static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) { if (intel_attached_encoder(connector) == &intel_sdvo->base) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); intel_sdvo_destroy(connector); } } diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 67c6c9a..e211eef 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1680,5 +1680,5 @@ intel_tv_init(struct drm_device *dev) drm_object_attach_property(&connector->base, dev->mode_config.tv_bottom_margin_property, intel_tv->margin[TV_MARGIN_BOTTOM]); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); } diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index a034ed4..f9fe390 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1621,7 +1621,7 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev) drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); mga_connector->i2c = mgag200_i2c_create(dev); if (!mga_connector->i2c) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c index e56a619..56c64c1 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -298,7 +298,7 @@ static void hdmi_connector_destroy(struct drm_connector *connector) hdp_disable(hdmi_connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); hdmi_unreference(hdmi_connector->hdmi); @@ -408,7 +408,7 @@ struct drm_connector *hdmi_connector_init(struct hdmi *hdmi) connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); ret = hpd_enable(hdmi_connector); if (ret) { diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 1fa222e..680f46d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -104,7 +104,7 @@ nouveau_connector_destroy(struct drm_connector *connector) struct nouveau_connector *nv_connector = nouveau_connector(connector); nouveau_event_ref(NULL, &nv_connector->hpd); kfree(nv_connector->edid); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); if (nv_connector->aux.transfer) drm_dp_aux_unregister(&nv_connector->aux); @@ -1236,6 +1236,6 @@ nouveau_connector_create(struct drm_device *dev, int index) INIT_WORK(&nv_connector->work, nouveau_connector_hotplug_work); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; } diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 86f4ead..36bc5cc 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -130,7 +130,7 @@ static void omap_connector_destroy(struct drm_connector *connector) struct omap_dss_device *dssdev = omap_connector->dssdev; DBG("%s", omap_connector->dssdev->name); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(omap_connector); @@ -307,7 +307,7 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 5d7ea24..b8ced08 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -835,7 +835,7 @@ static void qxl_conn_destroy(struct drm_connector *connector) struct qxl_output *qxl_output = drm_connector_to_qxl_output(connector); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(qxl_output); } @@ -902,7 +902,7 @@ static int qdev_output_init(struct drm_device *dev, int num_output) drm_object_attach_property(&connector->base, qdev->hotplug_mode_update_property, 0); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 933c5c3..5b1a611 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -737,7 +737,7 @@ static void radeon_connector_destroy(struct drm_connector *connector) if (radeon_connector->edid) kfree(radeon_connector->edid); kfree(radeon_connector->con_priv); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -2038,7 +2038,7 @@ radeon_add_atom_connector(struct drm_device *dev, connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); if (has_aux) radeon_dp_aux_init(radeon_connector); @@ -2199,5 +2199,5 @@ radeon_add_legacy_connector(struct drm_device *dev, } else connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); } diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 289048d..21426bd 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -64,7 +64,7 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { static void rcar_du_lvds_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -105,7 +105,7 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c index ccfe64c..8af3944 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c @@ -32,7 +32,7 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { static void rcar_du_vga_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -70,7 +70,7 @@ int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index faf176b..47875de 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -692,7 +692,7 @@ static void shmob_drm_connector_destroy(struct drm_connector *connector) struct shmob_drm_connector *scon = to_shmob_connector(connector); shmob_drm_backlight_exit(scon); - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -726,7 +726,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, return ret; drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret < 0) goto err_cleanup; @@ -749,7 +749,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, err_backlight: shmob_drm_backlight_exit(&sdev->connector); err_sysfs: - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); err_cleanup: drm_connector_cleanup(connector); return ret; diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index a3e4f1e..446837e 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -105,7 +105,7 @@ static void drm_connector_clear(struct drm_connector *connector) static void tegra_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); drm_connector_clear(connector); } @@ -318,7 +318,7 @@ int tegra_output_init(struct drm_device *drm, struct tegra_output *output) drm_encoder_helper_add(&output->encoder, &encoder_helper_funcs); drm_mode_connector_attach_encoder(&output->connector, &output->encoder); - drm_sysfs_connector_add(&output->connector); + drm_connector_register(&output->connector); output->encoder.possible_crtcs = 0x3; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 86c6732..0c0bce7 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -247,7 +247,7 @@ static struct drm_connector *panel_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.c b/drivers/gpu/drm/tilcdc/tilcdc_slave.c index 595068b..c578d14 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_slave.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_slave.c @@ -261,7 +261,7 @@ static struct drm_connector *slave_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c index c38b56b..5324dfd 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c @@ -261,7 +261,7 @@ static struct drm_connector *tfp410_connector_create(struct drm_device *dev, if (ret) goto fail; - drm_sysfs_connector_add(connector); + drm_connector_register(connector); return connector; diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index b44d548..dea38ab 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -124,7 +124,7 @@ static int udl_connector_set_property(struct drm_connector *connector, static void udl_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } @@ -154,7 +154,7 @@ int udl_connector_init(struct drm_device *dev, struct drm_encoder *encoder) drm_connector_init(dev, connector, &udl_connector_funcs, DRM_MODE_CONNECTOR_DVII); drm_connector_helper_add(connector, &udl_connector_helper_funcs); - drm_sysfs_connector_add(connector); + drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); drm_object_attach_property(&connector->base, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 8f3edc4..1a024e3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -75,7 +75,7 @@ void vmw_display_unit_cleanup(struct vmw_display_unit *du) vmw_surface_unreference(&du->cursor_surface); if (du->cursor_dmabuf) vmw_dmabuf_unreference(&du->cursor_dmabuf); - drm_sysfs_connector_remove(&du->connector); + drm_connector_unregister(&du->connector); drm_crtc_cleanup(&du->crtc); drm_encoder_cleanup(&du->encoder); drm_connector_cleanup(&du->connector); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index b2b9bd2..15e185a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -371,7 +371,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) encoder->possible_crtcs = (1 << unit); encoder->possible_clones = 0; - (void) drm_sysfs_connector_add(connector); + (void) drm_connector_register(connector); drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index a95d3a0..b295463 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -467,7 +467,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) encoder->possible_crtcs = (1 << unit); encoder->possible_clones = 0; - (void) drm_sysfs_connector_add(connector); + (void) drm_connector_register(connector); drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs); diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index def8280..6f54ff4 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -202,7 +202,7 @@ static const struct file_operations imx_drm_driver_fops = { void imx_drm_connector_destroy(struct drm_connector *connector) { - drm_sysfs_connector_remove(connector); + drm_connector_unregister(connector); drm_connector_cleanup(connector); } EXPORT_SYMBOL_GPL(imx_drm_connector_destroy); @@ -293,10 +293,10 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) * userspace will expect to be able to access DRM at this point. */ list_for_each_entry(connector, &drm->mode_config.connector_list, head) { - ret = drm_sysfs_connector_add(connector); + ret = drm_connector_register(connector); if (ret) { dev_err(drm->dev, - "[CONNECTOR:%d:%s] drm_sysfs_connector_add failed: %d\n", + "[CONNECTOR:%d:%s] drm_connector_register failed: %d\n", connector->base.id, connector->name, ret); goto err_unbind; diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 251b75e..5512c99 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -878,6 +878,8 @@ extern int drm_connector_init(struct drm_device *dev, struct drm_connector *connector, const struct drm_connector_funcs *funcs, int connector_type); +int drm_connector_register(struct drm_connector *connector); +void drm_connector_unregister(struct drm_connector *connector); extern void drm_connector_cleanup(struct drm_connector *connector); /* helper to unplug all connectors from sysfs for device */ -- cgit v0.10.2 From 30f6570798f6c897df4f1f2c676d803728bfec27 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Wed, 18 Jun 2014 17:52:32 +0100 Subject: drm/debugfs: add a "force" file per connector Add a file to debugfs for each connector to enable modification of the "force" connector attribute. This allows connectors to be enabled or disabled for testing and debugging purposes. v2: Add stricter value checking and clean up debugfs_entry if file creation fails in drm_debugfs_connector_add. (David Herrmann) Signed-off-by: Thomas Wood Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index c50c827..c304e56 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -881,6 +881,8 @@ int drm_connector_init(struct drm_device *dev, drm_object_attach_property(&connector->base, dev->mode_config.dpms_property, 0); + connector->debugfs_entry = NULL; + out_put: if (ret) drm_mode_object_put(dev, &connector->base); @@ -931,7 +933,19 @@ EXPORT_SYMBOL(drm_connector_cleanup); */ int drm_connector_register(struct drm_connector *connector) { - return drm_sysfs_connector_add(connector); + int ret; + + ret = drm_sysfs_connector_add(connector); + if (ret) + return ret; + + ret = drm_debugfs_connector_add(connector); + if (ret) { + drm_sysfs_connector_remove(connector); + return ret; + } + + return 0; } EXPORT_SYMBOL(drm_connector_register); @@ -944,6 +958,7 @@ EXPORT_SYMBOL(drm_connector_register); void drm_connector_unregister(struct drm_connector *connector) { drm_sysfs_connector_remove(connector); + drm_debugfs_connector_remove(connector); } EXPORT_SYMBOL(drm_connector_unregister); diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index b4b51d4..8ab3f3e 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -237,5 +237,119 @@ int drm_debugfs_cleanup(struct drm_minor *minor) return 0; } +static int connector_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + const char *status; + + switch (connector->force) { + case DRM_FORCE_ON: + status = "on\n"; + break; + + case DRM_FORCE_ON_DIGITAL: + status = "digital\n"; + break; + + case DRM_FORCE_OFF: + status = "off\n"; + break; + + case DRM_FORCE_UNSPECIFIED: + status = "unspecified\n"; + break; + + default: + return 0; + } + + seq_puts(m, status); + + return 0; +} + +static int connector_open(struct inode *inode, struct file *file) +{ + struct drm_connector *dev = inode->i_private; + + return single_open(file, connector_show, dev); +} + +static ssize_t connector_write(struct file *file, const char __user *ubuf, + size_t len, loff_t *offp) +{ + struct seq_file *m = file->private_data; + struct drm_connector *connector = m->private; + char buf[12]; + + if (len > sizeof(buf) - 1) + return -EINVAL; + + if (copy_from_user(buf, ubuf, len)) + return -EFAULT; + + buf[len] = '\0'; + + if (!strcmp(buf, "on")) + connector->force = DRM_FORCE_ON; + else if (!strcmp(buf, "digital")) + connector->force = DRM_FORCE_ON_DIGITAL; + else if (!strcmp(buf, "off")) + connector->force = DRM_FORCE_OFF; + else if (!strcmp(buf, "unspecified")) + connector->force = DRM_FORCE_UNSPECIFIED; + else + return -EINVAL; + + return len; +} + +static const struct file_operations drm_connector_fops = { + .owner = THIS_MODULE, + .open = connector_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = connector_write +}; + +int drm_debugfs_connector_add(struct drm_connector *connector) +{ + struct drm_minor *minor = connector->dev->primary; + struct dentry *root, *ent; + + if (!minor->debugfs_root) + return -1; + + root = debugfs_create_dir(connector->name, minor->debugfs_root); + if (!root) + return -ENOMEM; + + connector->debugfs_entry = root; + + /* force */ + ent = debugfs_create_file("force", S_IRUGO | S_IWUSR, root, connector, + &drm_connector_fops); + if (!ent) + goto error; + + return 0; + +error: + debugfs_remove_recursive(connector->debugfs_entry); + connector->debugfs_entry = NULL; + return -ENOMEM; +} + +void drm_debugfs_connector_remove(struct drm_connector *connector) +{ + if (!connector->debugfs_entry) + return; + + debugfs_remove_recursive(connector->debugfs_entry); + + connector->debugfs_entry = NULL; +} + #endif /* CONFIG_DEBUG_FS */ diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 8af71a8..57ecc42 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1419,6 +1419,8 @@ extern int drm_debugfs_create_files(const struct drm_info_list *files, extern int drm_debugfs_remove_files(const struct drm_info_list *files, int count, struct drm_minor *minor); extern int drm_debugfs_cleanup(struct drm_minor *minor); +extern int drm_debugfs_connector_add(struct drm_connector *connector); +extern void drm_debugfs_connector_remove(struct drm_connector *connector); #else static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, struct dentry *root) @@ -1443,6 +1445,15 @@ static inline int drm_debugfs_cleanup(struct drm_minor *minor) { return 0; } + +static inline int drm_debugfs_connector_add(struct drm_connector *connector) +{ + return 0; +} +static inline void drm_debugfs_connector_remove(struct drm_connector *connector) +{ +} + #endif /* Info file support */ diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 5512c99..d4b0a6a 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -545,6 +545,8 @@ struct drm_connector { int audio_latency[2]; int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ unsigned bad_edid_counter; + + struct dentry *debugfs_entry; }; /** -- cgit v0.10.2 From 4cf2b28146713d39f78bd62002a8ab00075c63b7 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Wed, 18 Jun 2014 17:52:33 +0100 Subject: drm/debugfs: add an "edid_override" file per connector Add a file to debugfs for each connector to allow the EDID to be overridden. v2: Copy ubuf before accessing it and reject invalid length data. (David Herrmann) Ensure override_edid is reset when a new EDID value is written. (David Herrmann) Fix the debugfs file permissions. (David Herrmann) Signed-off-by: Thomas Wood Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index c304e56..7db6251 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -3763,6 +3763,10 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector, struct drm_device *dev = connector->dev; int ret, size; + /* ignore requests to set edid when overridden */ + if (connector->override_edid) + return 0; + if (connector->edid_blob_ptr) drm_property_destroy_blob(dev, connector->edid_blob_ptr); diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index 8ab3f3e..13bd429 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -35,6 +35,7 @@ #include #include #include +#include #if defined(CONFIG_DEBUG_FS) @@ -304,6 +305,67 @@ static ssize_t connector_write(struct file *file, const char __user *ubuf, return len; } +static int edid_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct drm_property_blob *edid = connector->edid_blob_ptr; + + if (connector->override_edid && edid) + seq_write(m, edid->data, edid->length); + + return 0; +} + +static int edid_open(struct inode *inode, struct file *file) +{ + struct drm_connector *dev = inode->i_private; + + return single_open(file, edid_show, dev); +} + +static ssize_t edid_write(struct file *file, const char __user *ubuf, + size_t len, loff_t *offp) +{ + struct seq_file *m = file->private_data; + struct drm_connector *connector = m->private; + char *buf; + struct edid *edid; + int ret; + + buf = memdup_user(ubuf, len); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + edid = (struct edid *) buf; + + if (len == 5 && !strncmp(buf, "reset", 5)) { + connector->override_edid = false; + ret = drm_mode_connector_update_edid_property(connector, NULL); + } else if (len < EDID_LENGTH || + EDID_LENGTH * (1 + edid->extensions) > len) + ret = -EINVAL; + else { + connector->override_edid = false; + ret = drm_mode_connector_update_edid_property(connector, edid); + if (!ret) + connector->override_edid = true; + } + + kfree(buf); + + return (ret) ? ret : len; +} + +static const struct file_operations drm_edid_fops = { + .owner = THIS_MODULE, + .open = edid_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = edid_write +}; + + static const struct file_operations drm_connector_fops = { .owner = THIS_MODULE, .open = connector_open, @@ -333,6 +395,12 @@ int drm_debugfs_connector_add(struct drm_connector *connector) if (!ent) goto error; + /* edid */ + ent = debugfs_create_file("edid_override", S_IRUGO | S_IWUSR, root, + connector, &drm_edid_fops); + if (!ent) + goto error; + return 0; error: diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index d22676b..db7d250 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -130,7 +130,14 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect count = drm_load_edid_firmware(connector); if (count == 0) #endif - count = (*connector_funcs->get_modes)(connector); + { + if (connector->override_edid) { + struct edid *edid = (struct edid *) connector->edid_blob_ptr->data; + + count = drm_add_edid_modes(connector, edid); + } else + count = (*connector_funcs->get_modes)(connector); + } if (count == 0 && connector->status == connector_status_connected) count = drm_add_modes_noedid(connector, 1024, 768); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index d4b0a6a..857bbb1 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -533,6 +533,7 @@ struct drm_connector { /* forced on connector */ enum drm_connector_force force; + bool override_edid; uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; struct drm_encoder *encoder; /* currently active encoder */ -- cgit v0.10.2 From 30bfa4eec7e813825f7537149eb394605c41dbe8 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Thu, 19 Jun 2014 15:14:37 +0800 Subject: drm/fb-helper: Redundant info->fix.type_aux setting in drm_fb_helper_fill_fix() The variable info->fix.type_aux is set to zero twice in the function drm_fb_helper_fill_fix(). This patch removes one redundant. Signed-off-by: Liu Ying Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index d5d8cea..7ff98063 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1056,7 +1056,6 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, info->fix.ypanstep = 1; /* doing it in hw */ info->fix.ywrapstep = 0; info->fix.accel = FB_ACCEL_NONE; - info->fix.type_aux = 0; info->fix.line_length = pitch; return; -- cgit v0.10.2 From 2a8c6edfd2a888085ae0ddaf6c3ea3f529fdc4e8 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Thu, 19 Jun 2014 16:01:44 +0800 Subject: drm/fb-helper: Remove unnecessary list empty check in drm_fb_helper_debug_enter() The following list empty check is unnecessary because we would still do nothing real and return 'val' if my_list is empty. if (list_empty(&my_list)) return val; list_for_each_entry(pos, &my_list, member) { ... } return val; This patch removes the unnecessary check in drm_fb_helper_debug_enter(). Signed-off-by: Liu Ying Signed-off-by: Daniel Vetter diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 7ff98063..5aab5ab 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -199,9 +199,6 @@ int drm_fb_helper_debug_enter(struct fb_info *info) struct drm_crtc_helper_funcs *funcs; int i; - if (list_empty(&kernel_fb_helper_list)) - return false; - list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { for (i = 0; i < helper->crtc_count; i++) { struct drm_mode_set *mode_set = -- cgit v0.10.2