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b=dHtmyJ5/Euj+dZjWfKXJ6Je9Ac/R8oV5+vZmxxzglgt5RRAI0Gizv//eZ7jOLslrrUNle5 3pFcQEcgRmrdWQBg== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 8502142766; Thu, 19 Mar 2026 16:01:19 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id +BhDH88dvGn0WQAAD6G6ig (envelope-from ); Thu, 19 Mar 2026 16:01:19 +0000 From: Thomas Zimmermann To: david@lechnology.com, javierm@redhat.com, lanzano.alex@gmail.com, kamlesh.gurudasani@gmail.com, architanant5@gmail.com, wens@kernel.org, mripard@kernel.org, maarten.lankhorst@linux.intel.com, simona@ffwll.ch, airlied@gmail.com Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH v3 15/16] drm/mipi-dbi: Remove simple-display helpers from mipi-dbi Date: Thu, 19 Mar 2026 16:59:51 +0100 Message-ID: <20260319160110.109610-16-tzimmermann@suse.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260319160110.109610-1-tzimmermann@suse.de> References: <20260319160110.109610-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:email,imap1.dmz-prg2.suse.org:helo]; RCPT_COUNT_TWELVE(0.00)[12]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; FREEMAIL_TO(0.00)[lechnology.com,redhat.com,gmail.com,kernel.org,linux.intel.com,ffwll.ch]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLqirfcw6gnbcr9a9yhi49fhi6)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" With the conversion to regular atomic helpers, mipi-dbi's support for simple-display helpers is unused. Removed it. v2: - remove unused connector from struct mipi_dbi_dev Signed-off-by: Thomas Zimmermann Acked-by: David Lechner --- drivers/gpu/drm/drm_mipi_dbi.c | 247 --------------------------------- include/drm/drm_mipi_dbi.h | 54 ------- 2 files changed, 301 deletions(-) diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 0374fd0c527d..9ab6113d74a2 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -15,7 +15,6 @@ #include #include -#include #include #include #include @@ -332,22 +331,6 @@ enum drm_mode_status drm_mipi_dbi_crtc_helper_mode_valid(struct drm_crtc *crtc, } EXPORT_SYMBOL(drm_mipi_dbi_crtc_helper_mode_valid); -/** - * mipi_dbi_pipe_mode_valid - MIPI DBI mode-valid helper - * @pipe: Simple display pipe - * @mode: The mode to test - * - * This function validates a given display mode against the MIPI DBI's hardware - * display. Drivers can use this as their &drm_simple_display_pipe_funcs->mode_valid - * callback. - */ -enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe, - const struct drm_display_mode *mode) -{ - return drm_mipi_dbi_crtc_helper_mode_valid(&pipe->crtc, mode); -} -EXPORT_SYMBOL(mipi_dbi_pipe_mode_valid); - /** * drm_mipi_dbi_plane_helper_atomic_check - MIPI DBI plane check helper * @plane: Plane to check @@ -413,21 +396,6 @@ void drm_mipi_dbi_plane_helper_atomic_update(struct drm_plane *plane, } EXPORT_SYMBOL(drm_mipi_dbi_plane_helper_atomic_update); -/** - * mipi_dbi_pipe_update - Display pipe update helper - * @pipe: Simple display pipe - * @old_state: Old plane state - * - * This function handles framebuffer flushing and vblank events. Drivers can use - * this as their &drm_simple_display_pipe_funcs->update callback. - */ -void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_state) -{ - return drm_mipi_dbi_plane_helper_atomic_update(&pipe->plane, old_state->state); -} -EXPORT_SYMBOL(mipi_dbi_pipe_update); - static void mipi_dbi_blank(struct mipi_dbi_dev *dbidev) { struct drm_device *drm = &dbidev->drm; @@ -509,104 +477,6 @@ void drm_mipi_dbi_crtc_helper_atomic_disable(struct drm_crtc *crtc, } EXPORT_SYMBOL(drm_mipi_dbi_crtc_helper_atomic_disable); -/** - * mipi_dbi_pipe_disable - MIPI DBI pipe disable helper - * @pipe: Display pipe - * - * This function disables backlight if present, if not the display memory is - * blanked. The regulator is disabled if in use. Drivers can use this as their - * &drm_simple_display_pipe_funcs->disable callback. - */ -void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe) -{ - drm_mipi_dbi_crtc_helper_atomic_disable(&pipe->crtc, pipe->crtc.state->state); -} -EXPORT_SYMBOL(mipi_dbi_pipe_disable); - -/** - * mipi_dbi_pipe_begin_fb_access - MIPI DBI pipe begin-access helper - * @pipe: Display pipe - * @plane_state: Plane state - * - * This function implements struct &drm_simple_display_funcs.begin_fb_access. - * - * See drm_gem_begin_shadow_fb_access() for details and mipi_dbi_pipe_cleanup_fb() - * for cleanup. - * - * Returns: - * 0 on success, or a negative errno code otherwise. - */ -int mipi_dbi_pipe_begin_fb_access(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state) -{ - return drm_gem_begin_shadow_fb_access(&pipe->plane, plane_state); -} -EXPORT_SYMBOL(mipi_dbi_pipe_begin_fb_access); - -/** - * mipi_dbi_pipe_end_fb_access - MIPI DBI pipe end-access helper - * @pipe: Display pipe - * @plane_state: Plane state - * - * This function implements struct &drm_simple_display_funcs.end_fb_access. - * - * See mipi_dbi_pipe_begin_fb_access(). - */ -void mipi_dbi_pipe_end_fb_access(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state) -{ - drm_gem_end_shadow_fb_access(&pipe->plane, plane_state); -} -EXPORT_SYMBOL(mipi_dbi_pipe_end_fb_access); - -/** - * mipi_dbi_pipe_reset_plane - MIPI DBI plane-reset helper - * @pipe: Display pipe - * - * This function implements struct &drm_simple_display_funcs.reset_plane - * for MIPI DBI planes. - */ -void mipi_dbi_pipe_reset_plane(struct drm_simple_display_pipe *pipe) -{ - drm_gem_reset_shadow_plane(&pipe->plane); -} -EXPORT_SYMBOL(mipi_dbi_pipe_reset_plane); - -/** - * mipi_dbi_pipe_duplicate_plane_state - duplicates MIPI DBI plane state - * @pipe: Display pipe - * - * This function implements struct &drm_simple_display_funcs.duplicate_plane_state - * for MIPI DBI planes. - * - * See drm_gem_duplicate_shadow_plane_state() for additional details. - * - * Returns: - * A pointer to a new plane state on success, or NULL otherwise. - */ -struct drm_plane_state *mipi_dbi_pipe_duplicate_plane_state(struct drm_simple_display_pipe *pipe) -{ - return drm_gem_duplicate_shadow_plane_state(&pipe->plane); -} -EXPORT_SYMBOL(mipi_dbi_pipe_duplicate_plane_state); - -/** - * mipi_dbi_pipe_destroy_plane_state - cleans up MIPI DBI plane state - * @pipe: Display pipe - * @plane_state: Plane state - * - * This function implements struct drm_simple_display_funcs.destroy_plane_state - * for MIPI DBI planes. - * - * See drm_gem_destroy_shadow_plane_state() for additional details. - */ -void mipi_dbi_pipe_destroy_plane_state(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state) -{ - drm_gem_destroy_shadow_plane_state(&pipe->plane, plane_state); -} -EXPORT_SYMBOL(mipi_dbi_pipe_destroy_plane_state); - /** * drm_mipi_dbi_connector_helper_get_modes - Duplicates the MIPI DBI mode for the connector * @connector: The connector @@ -626,15 +496,6 @@ int drm_mipi_dbi_connector_helper_get_modes(struct drm_connector *connector) } EXPORT_SYMBOL(drm_mipi_dbi_connector_helper_get_modes); -static const struct drm_connector_helper_funcs mipi_dbi_connector_hfuncs = { - DRM_MIPI_DBI_CONNECTOR_HELPER_FUNCS, -}; - -static const struct drm_connector_funcs mipi_dbi_connector_funcs = { - DRM_MIPI_DBI_CONNECTOR_FUNCS, - .destroy = drm_connector_cleanup, -}; - static int mipi_dbi_rotate_mode(struct drm_display_mode *mode, unsigned int rotation) { @@ -652,18 +513,6 @@ static int mipi_dbi_rotate_mode(struct drm_display_mode *mode, } } -static const struct drm_mode_config_helper_funcs mipi_dbi_mode_config_helper_funcs = { - DRM_MIPI_DBI_MODE_CONFIG_HELPER_FUNCS, -}; - -static const struct drm_mode_config_funcs mipi_dbi_mode_config_funcs = { - DRM_MIPI_DBI_MODE_CONFIG_FUNCS, -}; - -static const uint32_t mipi_dbi_formats[] = { - DRM_MIPI_DBI_PLANE_FORMATS, -}; - /** * drm_mipi_dbi_dev_init - MIPI DBI device initialization * @dbidev: MIPI DBI device structure to initialize @@ -717,102 +566,6 @@ int drm_mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, const struct drm_display_ } EXPORT_SYMBOL(drm_mipi_dbi_dev_init); -/** - * mipi_dbi_dev_init_with_formats - MIPI DBI device initialization with custom formats - * @dbidev: MIPI DBI device structure to initialize - * @funcs: Display pipe functions - * @formats: Array of supported formats (DRM_FORMAT\_\*). - * @format_count: Number of elements in @formats - * @mode: Display mode - * @rotation: Initial rotation in degrees Counter Clock Wise - * @tx_buf_size: Allocate a transmit buffer of this size. - * - * This function sets up a &drm_simple_display_pipe with a &drm_connector that - * has one fixed &drm_display_mode which is rotated according to @rotation. - * This mode is used to set the mode config min/max width/height properties. - * - * Use mipi_dbi_dev_init() if you want native RGB565 and emulated XRGB8888 format. - * - * Note: - * Some of the helper functions expects RGB565 to be the default format and the - * transmit buffer sized to fit that. - * - * Returns: - * Zero on success, negative error code on failure. - */ -int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev, - const struct drm_simple_display_pipe_funcs *funcs, - const uint32_t *formats, unsigned int format_count, - const struct drm_display_mode *mode, - unsigned int rotation, size_t tx_buf_size) -{ - static const uint64_t modifiers[] = { - DRM_MIPI_DBI_PLANE_FORMAT_MODIFIERS, - }; - struct drm_device *drm = &dbidev->drm; - int ret; - - ret = drm_mipi_dbi_dev_init(dbidev, mode, formats[0], rotation, tx_buf_size); - if (ret) - return ret; - - ret = drmm_mode_config_init(drm); - if (ret) - return ret; - - drm_connector_helper_add(&dbidev->connector, &mipi_dbi_connector_hfuncs); - ret = drm_connector_init(drm, &dbidev->connector, &mipi_dbi_connector_funcs, - DRM_MODE_CONNECTOR_SPI); - if (ret) - return ret; - - ret = drm_simple_display_pipe_init(drm, &dbidev->pipe, funcs, formats, format_count, - modifiers, &dbidev->connector); - if (ret) - return ret; - - drm_plane_enable_fb_damage_clips(&dbidev->pipe.plane); - - drm->mode_config.funcs = &mipi_dbi_mode_config_funcs; - drm->mode_config.min_width = dbidev->mode.hdisplay; - drm->mode_config.max_width = dbidev->mode.hdisplay; - drm->mode_config.min_height = dbidev->mode.vdisplay; - drm->mode_config.max_height = dbidev->mode.vdisplay; - drm->mode_config.helper_private = &mipi_dbi_mode_config_helper_funcs; - - return 0; -} -EXPORT_SYMBOL(mipi_dbi_dev_init_with_formats); - -/** - * mipi_dbi_dev_init - MIPI DBI device initialization - * @dbidev: MIPI DBI device structure to initialize - * @funcs: Display pipe functions - * @mode: Display mode - * @rotation: Initial rotation in degrees Counter Clock Wise - * - * This function sets up a &drm_simple_display_pipe with a &drm_connector that - * has one fixed &drm_display_mode which is rotated according to @rotation. - * This mode is used to set the mode config min/max width/height properties. - * Additionally &mipi_dbi.tx_buf is allocated. - * - * Supported formats: Native RGB565 and emulated XRGB8888. - * - * Returns: - * Zero on success, negative error code on failure. - */ -int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, - const struct drm_simple_display_pipe_funcs *funcs, - const struct drm_display_mode *mode, unsigned int rotation) -{ - dbidev->drm.mode_config.preferred_depth = 16; - - return mipi_dbi_dev_init_with_formats(dbidev, funcs, mipi_dbi_formats, - ARRAY_SIZE(mipi_dbi_formats), mode, - rotation, 0); -} -EXPORT_SYMBOL(mipi_dbi_dev_init); - /** * mipi_dbi_hw_reset - Hardware reset of controller * @dbi: MIPI DBI structure diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index ae92a5e8d13b..07374eb5d88e 100644 --- a/include/drm/drm_mipi_dbi.h +++ b/include/drm/drm_mipi_dbi.h @@ -15,7 +15,6 @@ #include #include #include -#include struct drm_format_conv_state; struct drm_rect; @@ -91,16 +90,6 @@ struct mipi_dbi_dev { */ struct drm_device drm; - /** - * @pipe: Display pipe structure - */ - struct drm_simple_display_pipe pipe; - - /** - * @connector: Connector - */ - struct drm_connector connector; - /** * @mode: Fixed display mode */ @@ -173,28 +162,6 @@ int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi, int drm_mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, const struct drm_display_mode *mode, u32 format, unsigned int rotation, size_t tx_buf_size); -int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev, - const struct drm_simple_display_pipe_funcs *funcs, - const uint32_t *formats, unsigned int format_count, - const struct drm_display_mode *mode, - unsigned int rotation, size_t tx_buf_size); -int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, - const struct drm_simple_display_pipe_funcs *funcs, - const struct drm_display_mode *mode, unsigned int rotation); -enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe, - const struct drm_display_mode *mode); -void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_state); -void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe); -int mipi_dbi_pipe_begin_fb_access(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state); -void mipi_dbi_pipe_end_fb_access(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state); -void mipi_dbi_pipe_reset_plane(struct drm_simple_display_pipe *pipe); -struct drm_plane_state *mipi_dbi_pipe_duplicate_plane_state(struct drm_simple_display_pipe *pipe); -void mipi_dbi_pipe_destroy_plane_state(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *plane_state); - void mipi_dbi_hw_reset(struct mipi_dbi *dbi); bool mipi_dbi_display_is_on(struct mipi_dbi *dbi); int mipi_dbi_poweron_reset(struct mipi_dbi_dev *dbidev); @@ -322,25 +289,4 @@ void mipi_dbi_debugfs_init(struct drm_minor *minor); static inline void mipi_dbi_debugfs_init(struct drm_minor *minor) {} #endif -/** - * DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS - Initializes struct drm_simple_display_pipe_funcs - * for MIPI-DBI devices - * @enable_: Enable-callback implementation - * - * This macro initializes struct drm_simple_display_pipe_funcs with default - * values for MIPI-DBI-based devices. The only callback that depends on the - * hardware is @enable, for which the driver has to provide an implementation. - * MIPI-based drivers are encouraged to use this macro for initialization. - */ -#define DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS(enable_) \ - .mode_valid = mipi_dbi_pipe_mode_valid, \ - .enable = (enable_), \ - .disable = mipi_dbi_pipe_disable, \ - .update = mipi_dbi_pipe_update, \ - .begin_fb_access = mipi_dbi_pipe_begin_fb_access, \ - .end_fb_access = mipi_dbi_pipe_end_fb_access, \ - .reset_plane = mipi_dbi_pipe_reset_plane, \ - .duplicate_plane_state = mipi_dbi_pipe_duplicate_plane_state, \ - .destroy_plane_state = mipi_dbi_pipe_destroy_plane_state - #endif /* __LINUX_MIPI_DBI_H */ -- 2.53.0