From patchwork Thu May 23 13:44:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Noralf_Tr=C3=B8nnes?= X-Patchwork-Id: 10957691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4676815A6 for ; Thu, 23 May 2019 13:45:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2BE791FF60 for ; Thu, 23 May 2019 13:45:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 20500285B5; Thu, 23 May 2019 13:45:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 352D11FF60 for ; Thu, 23 May 2019 13:45:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C35D89EA6; Thu, 23 May 2019 13:44:49 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1E5FD89E41; Thu, 23 May 2019 13:44:38 +0000 (UTC) Received: from 211.81-166-168.customer.lyse.net ([81.166.168.211]:53376 helo=localhost.localdomain) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.84_2) (envelope-from ) id 1hTo1M-0002si-4p; Thu, 23 May 2019 15:44:36 +0200 From: =?utf-8?q?Noralf_Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 4/8] drm/fb-helper: Move out commit code Date: Thu, 23 May 2019 15:44:09 +0200 Message-Id: <20190523134413.4210-5-noralf@tronnes.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190523134413.4210-1-noralf@tronnes.org> References: <20190523134413.4210-1-noralf@tronnes.org> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tronnes.org; s=ds201810; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=O3Q6VtAKFgY2UICkOO5eZAquEHIat9Ktp/o3Prldg5U=; b=PB9KPn8FDcC9Lj5ocLYtf5NDSmoNiBSswLOhsVGemDYOaa7nWLZCRDGXCTaE6RpSp2ITeQocKif5+Lb5UkJ5iDflTRezp9BdbRr4Gk6PiD5BCFHuy2U8mfVfteybW7Uj5h+hr0Tpr+K3eWJPLFn5WvEvJ+xyJ5oNPyht7wZaploLBOS+joLUqLZ+jj8H0uv4vT+lNZqYKTzMVptzbfbs55FInTEghuGyELKi1X1mh8eiAM7M3PLKaewFdfxEY+N46mQ1klMcX0kQLYm3k2Gf1nNy9G5bfa9dnbsKXbpW+XZWQdMSU6DtwLxwI1+Kf93Fhnsbqfa/Y4LVux0E7WB+pg==; X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Move the modeset commit code to drm_client_modeset. No changes except exporting API. v2: Move to drm_client_modeset.c instead of drm_client.c Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg --- drivers/gpu/drm/drm_client_modeset.c | 287 +++++++++++++++++++++++++++ drivers/gpu/drm/drm_fb_helper.c | 282 -------------------------- include/drm/drm_client.h | 4 + 3 files changed, 291 insertions(+), 282 deletions(-) diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 66770ed3299e..b2aedec65637 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -11,9 +11,14 @@ #include #include +#include #include #include #include +#include + +#include "drm_crtc_internal.h" +#include "drm_internal.h" int drm_client_modeset_create(struct drm_client_dev *client) { @@ -102,3 +107,285 @@ struct drm_mode_set *drm_client_find_modeset(struct drm_client_dev *client, stru } /* TODO: Remove export when modeset code has been moved over */ EXPORT_SYMBOL(drm_client_find_modeset); + +/** + * drm_client_panel_rotation() - Check panel orientation + * @modeset: DRM modeset + * @rotation: Returned rotation value + * + * This function checks if the primary plane in @modeset can hw rotate to match + * the panel orientation on its connector. + * + * Note: Currently only 0 and 180 degrees are supported. + * + * Return: + * True if the plane can do the rotation, false otherwise. + */ +bool drm_client_panel_rotation(struct drm_mode_set *modeset, unsigned int *rotation) +{ + struct drm_connector *connector = modeset->connectors[0]; + struct drm_plane *plane = modeset->crtc->primary; + u64 valid_mask = 0; + unsigned int i; + + if (!modeset->num_connectors) + return false; + + switch (connector->display_info.panel_orientation) { + case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: + *rotation = DRM_MODE_ROTATE_180; + break; + case DRM_MODE_PANEL_ORIENTATION_LEFT_UP: + *rotation = DRM_MODE_ROTATE_90; + break; + case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: + *rotation = DRM_MODE_ROTATE_270; + break; + default: + *rotation = DRM_MODE_ROTATE_0; + } + + /* + * TODO: support 90 / 270 degree hardware rotation, + * depending on the hardware this may require the framebuffer + * to be in a specific tiling format. + */ + if (*rotation != DRM_MODE_ROTATE_180 || !plane->rotation_property) + return false; + + for (i = 0; i < plane->rotation_property->num_values; i++) + valid_mask |= (1ULL << plane->rotation_property->values[i]); + + if (!(*rotation & valid_mask)) + return false; + + return true; +} + +static int drm_client_modeset_commit_atomic(struct drm_client_dev *client, bool active) +{ + struct drm_device *dev = client->dev; + struct drm_plane_state *plane_state; + struct drm_plane *plane; + struct drm_atomic_state *state; + struct drm_modeset_acquire_ctx ctx; + struct drm_mode_set *mode_set; + int ret; + + drm_modeset_acquire_init(&ctx, 0); + + state = drm_atomic_state_alloc(dev); + if (!state) { + ret = -ENOMEM; + goto out_ctx; + } + + state->acquire_ctx = &ctx; +retry: + drm_for_each_plane(plane, dev) { + plane_state = drm_atomic_get_plane_state(state, plane); + if (IS_ERR(plane_state)) { + ret = PTR_ERR(plane_state); + goto out_state; + } + + plane_state->rotation = DRM_MODE_ROTATE_0; + + /* disable non-primary: */ + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + continue; + + ret = __drm_atomic_helper_disable_plane(plane, plane_state); + if (ret != 0) + goto out_state; + } + + drm_client_for_each_modeset(mode_set, client) { + struct drm_plane *primary = mode_set->crtc->primary; + unsigned int rotation; + + if (drm_client_panel_rotation(mode_set, &rotation)) { + /* Cannot fail as we've already gotten the plane state above */ + plane_state = drm_atomic_get_new_plane_state(state, primary); + plane_state->rotation = rotation; + } + + ret = __drm_atomic_helper_set_config(mode_set, state); + if (ret != 0) + goto out_state; + + /* + * __drm_atomic_helper_set_config() sets active when a + * mode is set, unconditionally clear it if we force DPMS off + */ + if (!active) { + struct drm_crtc *crtc = mode_set->crtc; + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + + crtc_state->active = false; + } + } + + ret = drm_atomic_commit(state); + +out_state: + if (ret == -EDEADLK) + goto backoff; + + drm_atomic_state_put(state); +out_ctx: + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); + + return ret; + +backoff: + drm_atomic_state_clear(state); + drm_modeset_backoff(&ctx); + + goto retry; +} + +static int drm_client_modeset_commit_legacy(struct drm_client_dev *client) +{ + struct drm_device *dev = client->dev; + struct drm_mode_set *mode_set; + struct drm_plane *plane; + int ret = 0; + + drm_modeset_lock_all(dev); + drm_for_each_plane(plane, dev) { + if (plane->type != DRM_PLANE_TYPE_PRIMARY) + drm_plane_force_disable(plane); + + if (plane->rotation_property) + drm_mode_plane_set_obj_prop(plane, + plane->rotation_property, + DRM_MODE_ROTATE_0); + } + + drm_client_for_each_modeset(mode_set, client) { + struct drm_crtc *crtc = mode_set->crtc; + + if (crtc->funcs->cursor_set2) { + ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0); + if (ret) + goto out; + } else if (crtc->funcs->cursor_set) { + ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0); + if (ret) + goto out; + } + + ret = drm_mode_set_config_internal(mode_set); + if (ret) + goto out; + } +out: + drm_modeset_unlock_all(dev); + + return ret; +} + +/** + * drm_client_modeset_commit_force() - Force commit CRTC configuration + * @client: DRM client + * + * Commit modeset configuration to crtcs without checking if there is a DRM master. + * + * Returns: + * Zero on success or negative error code on failure. + */ +int drm_client_modeset_commit_force(struct drm_client_dev *client) +{ + struct drm_device *dev = client->dev; + int ret; + + mutex_lock(&client->modeset_mutex); + if (drm_drv_uses_atomic_modeset(dev)) + ret = drm_client_modeset_commit_atomic(client, true); + else + ret = drm_client_modeset_commit_legacy(client); + mutex_unlock(&client->modeset_mutex); + + return ret; +} +EXPORT_SYMBOL(drm_client_modeset_commit_force); + +/** + * drm_client_modeset_commit() - Commit CRTC configuration + * @client: DRM client + * + * Commit modeset configuration to crtcs. + * + * Returns: + * Zero on success or negative error code on failure. + */ +int drm_client_modeset_commit(struct drm_client_dev *client) +{ + struct drm_device *dev = client->dev; + int ret; + + if (!drm_master_internal_acquire(dev)) + return -EBUSY; + + ret = drm_client_modeset_commit_force(client); + + drm_master_internal_release(dev); + + return ret; +} +EXPORT_SYMBOL(drm_client_modeset_commit); + +static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dpms_mode) +{ + struct drm_device *dev = client->dev; + struct drm_connector *connector; + struct drm_mode_set *modeset; + int j; + + drm_modeset_lock_all(dev); + drm_client_for_each_modeset(modeset, client) { + if (!modeset->crtc->enabled) + continue; + + for (j = 0; j < modeset->num_connectors; j++) { + connector = modeset->connectors[j]; + connector->funcs->dpms(connector, dpms_mode); + drm_object_property_set_value(&connector->base, + dev->mode_config.dpms_property, dpms_mode); + } + } + drm_modeset_unlock_all(dev); +} + +/** + * drm_client_modeset_dpms() - Set DPMS mode + * @client: DRM client + * @mode: DPMS mode + * + * Note: For atomic drivers @mode is reduced to on/off. + * + * Returns: + * Zero on success or negative error code on failure. + */ +int drm_client_modeset_dpms(struct drm_client_dev *client, int mode) +{ + struct drm_device *dev = client->dev; + int ret = 0; + + if (!drm_master_internal_acquire(dev)) + return -EBUSY; + + mutex_lock(&client->modeset_mutex); + if (drm_drv_uses_atomic_modeset(dev)) + ret = drm_client_modeset_commit_atomic(client, mode == DRM_MODE_DPMS_ON); + else + drm_client_modeset_dpms_legacy(client, mode); + mutex_unlock(&client->modeset_mutex); + + drm_master_internal_release(dev); + + return ret; +} +EXPORT_SYMBOL(drm_client_modeset_dpms); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index d530fb315e52..e9cfccda6533 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -40,10 +40,7 @@ #include #include #include -#include -#include "drm_crtc_internal.h" -#include "drm_crtc_helper_internal.h" #include "drm_internal.h" static bool drm_fbdev_emulation = true; @@ -388,233 +385,6 @@ int drm_fb_helper_debug_leave(struct fb_info *info) } EXPORT_SYMBOL(drm_fb_helper_debug_leave); -/** - * drm_client_panel_rotation() - Check panel orientation - * @modeset: DRM modeset - * @rotation: Returned rotation value - * - * This function checks if the primary plane in @modeset can hw rotate to match - * the panel orientation on its connector. - * - * Note: Currently only 0 and 180 degrees are supported. - * - * Return: - * True if the plane can do the rotation, false otherwise. - */ -bool drm_client_panel_rotation(struct drm_mode_set *modeset, unsigned int *rotation) -{ - struct drm_connector *connector = modeset->connectors[0]; - struct drm_plane *plane = modeset->crtc->primary; - u64 valid_mask = 0; - unsigned int i; - - if (!modeset->num_connectors) - return false; - - switch (connector->display_info.panel_orientation) { - case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: - *rotation = DRM_MODE_ROTATE_180; - break; - case DRM_MODE_PANEL_ORIENTATION_LEFT_UP: - *rotation = DRM_MODE_ROTATE_90; - break; - case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: - *rotation = DRM_MODE_ROTATE_270; - break; - default: - *rotation = DRM_MODE_ROTATE_0; - } - - /* - * TODO: support 90 / 270 degree hardware rotation, - * depending on the hardware this may require the framebuffer - * to be in a specific tiling format. - */ - if (*rotation != DRM_MODE_ROTATE_180 || !plane->rotation_property) - return false; - - for (i = 0; i < plane->rotation_property->num_values; i++) - valid_mask |= (1ULL << plane->rotation_property->values[i]); - - if (!(*rotation & valid_mask)) - return false; - - return true; -} - -static int drm_client_modeset_commit_atomic(struct drm_client_dev *client, bool active) -{ - struct drm_device *dev = client->dev; - struct drm_plane_state *plane_state; - struct drm_plane *plane; - struct drm_atomic_state *state; - struct drm_modeset_acquire_ctx ctx; - struct drm_mode_set *mode_set; - int ret; - - drm_modeset_acquire_init(&ctx, 0); - - state = drm_atomic_state_alloc(dev); - if (!state) { - ret = -ENOMEM; - goto out_ctx; - } - - state->acquire_ctx = &ctx; -retry: - drm_for_each_plane(plane, dev) { - plane_state = drm_atomic_get_plane_state(state, plane); - if (IS_ERR(plane_state)) { - ret = PTR_ERR(plane_state); - goto out_state; - } - - plane_state->rotation = DRM_MODE_ROTATE_0; - - /* disable non-primary: */ - if (plane->type == DRM_PLANE_TYPE_PRIMARY) - continue; - - ret = __drm_atomic_helper_disable_plane(plane, plane_state); - if (ret != 0) - goto out_state; - } - - drm_client_for_each_modeset(mode_set, client) { - struct drm_plane *primary = mode_set->crtc->primary; - unsigned int rotation; - - if (drm_client_panel_rotation(mode_set, &rotation)) { - /* Cannot fail as we've already gotten the plane state above */ - plane_state = drm_atomic_get_new_plane_state(state, primary); - plane_state->rotation = rotation; - } - - ret = __drm_atomic_helper_set_config(mode_set, state); - if (ret != 0) - goto out_state; - - /* - * __drm_atomic_helper_set_config() sets active when a - * mode is set, unconditionally clear it if we force DPMS off - */ - if (!active) { - struct drm_crtc *crtc = mode_set->crtc; - struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); - - crtc_state->active = false; - } - } - - ret = drm_atomic_commit(state); - -out_state: - if (ret == -EDEADLK) - goto backoff; - - drm_atomic_state_put(state); -out_ctx: - drm_modeset_drop_locks(&ctx); - drm_modeset_acquire_fini(&ctx); - - return ret; - -backoff: - drm_atomic_state_clear(state); - drm_modeset_backoff(&ctx); - - goto retry; -} - -static int drm_client_modeset_commit_legacy(struct drm_client_dev *client) -{ - struct drm_device *dev = client->dev; - struct drm_mode_set *mode_set; - struct drm_plane *plane; - int ret = 0; - - drm_modeset_lock_all(dev); - drm_for_each_plane(plane, dev) { - if (plane->type != DRM_PLANE_TYPE_PRIMARY) - drm_plane_force_disable(plane); - - if (plane->rotation_property) - drm_mode_plane_set_obj_prop(plane, - plane->rotation_property, - DRM_MODE_ROTATE_0); - } - - drm_client_for_each_modeset(mode_set, client) { - struct drm_crtc *crtc = mode_set->crtc; - - if (crtc->funcs->cursor_set2) { - ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0); - if (ret) - goto out; - } else if (crtc->funcs->cursor_set) { - ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0); - if (ret) - goto out; - } - - ret = drm_mode_set_config_internal(mode_set); - if (ret) - goto out; - } -out: - drm_modeset_unlock_all(dev); - - return ret; -} - -/** - * drm_client_modeset_commit_force() - Force commit CRTC configuration - * @client: DRM client - * - * Commit modeset configuration to crtcs without checking if there is a DRM master. - * - * Returns: - * Zero on success or negative error code on failure. - */ -int drm_client_modeset_commit_force(struct drm_client_dev *client) -{ - struct drm_device *dev = client->dev; - int ret; - - mutex_lock(&client->modeset_mutex); - if (drm_drv_uses_atomic_modeset(dev)) - ret = drm_client_modeset_commit_atomic(client, true); - else - ret = drm_client_modeset_commit_legacy(client); - mutex_unlock(&client->modeset_mutex); - - return ret; -} - -/** - * drm_client_modeset_commit() - Commit CRTC configuration - * @client: DRM client - * - * Commit modeset configuration to crtcs. - * - * Returns: - * Zero on success or negative error code on failure. - */ -int drm_client_modeset_commit(struct drm_client_dev *client) -{ - struct drm_device *dev = client->dev; - int ret; - - if (!drm_master_internal_acquire(dev)) - return -EBUSY; - - ret = drm_client_modeset_commit_force(client); - - drm_master_internal_release(dev); - - return ret; -} - /** * drm_fb_helper_restore_fbdev_mode_unlocked - restore fbdev configuration * @fb_helper: driver-allocated fbdev helper, can be NULL @@ -714,58 +484,6 @@ static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { }; #endif -static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dpms_mode) -{ - struct drm_device *dev = client->dev; - struct drm_connector *connector; - struct drm_mode_set *modeset; - int j; - - drm_modeset_lock_all(dev); - drm_client_for_each_modeset(modeset, client) { - if (!modeset->crtc->enabled) - continue; - - for (j = 0; j < modeset->num_connectors; j++) { - connector = modeset->connectors[j]; - connector->funcs->dpms(connector, dpms_mode); - drm_object_property_set_value(&connector->base, - dev->mode_config.dpms_property, dpms_mode); - } - } - drm_modeset_unlock_all(dev); -} - -/** - * drm_client_modeset_dpms() - Set DPMS mode - * @client: DRM client - * @mode: DPMS mode - * - * Note: For atomic drivers @mode is reduced to on/off. - * - * Returns: - * Zero on success or negative error code on failure. - */ -int drm_client_modeset_dpms(struct drm_client_dev *client, int mode) -{ - struct drm_device *dev = client->dev; - int ret = 0; - - if (!drm_master_internal_acquire(dev)) - return -EBUSY; - - mutex_lock(&client->modeset_mutex); - if (drm_drv_uses_atomic_modeset(dev)) - ret = drm_client_modeset_commit_atomic(client, mode == DRM_MODE_DPMS_ON); - else - drm_client_modeset_dpms_legacy(client, mode); - mutex_unlock(&client->modeset_mutex); - - drm_master_internal_release(dev); - - return ret; -} - static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) { struct drm_fb_helper *fb_helper = info->par; diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 87be9aeb1fe0..6cf48419f77f 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -155,6 +155,10 @@ int drm_client_modeset_create(struct drm_client_dev *client); void drm_client_modeset_free(struct drm_client_dev *client); void drm_client_modeset_release(struct drm_client_dev *client); struct drm_mode_set *drm_client_find_modeset(struct drm_client_dev *client, struct drm_crtc *crtc); +bool drm_client_panel_rotation(struct drm_mode_set *modeset, unsigned int *rotation); +int drm_client_modeset_commit_force(struct drm_client_dev *client); +int drm_client_modeset_commit(struct drm_client_dev *client); +int drm_client_modeset_dpms(struct drm_client_dev *client, int mode); /** * drm_client_for_each_modeset() - Iterate over client modesets