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drop simple-display helpers Date: Thu, 19 Mar 2026 16:59:41 +0100 Message-ID: <20260319160110.109610-6-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-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-1.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RCPT_COUNT_TWELVE(0.00)[12]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[lechnology.com,redhat.com,gmail.com,kernel.org,linux.intel.com,ffwll.ch]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:dkim,suse.de:mid,suse.de:email]; TAGGED_RCPT(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; R_RATELIMIT(0.00)[to_ip_from(RLqtkr6cif1ebgurukgmwdm7xc)]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Rspamd-Queue-Id: DEDBB4D2A7 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" Replace simple-display helpers with regular atomic helpers. Store the pipeline elements in struct ili9163_device and initialize them as part of probing the device. Use mipi-dbi's existing helpers and initializer macros where possible. Effectively open-codes the modesetting code in the initializer helpers of mipi-dbi and simple-display. Ili9163 requires a custom helper for CRTC enablement, and non-freeing cleanup of the pipeline. v3: - set dbi variable (David) v2: - fix connector initialization Signed-off-by: Thomas Zimmermann Acked-by: David Lechner --- drivers/gpu/drm/tiny/ili9163.c | 135 +++++++++++++++++++++++++++++---- 1 file changed, 122 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/tiny/ili9163.c b/drivers/gpu/drm/tiny/ili9163.c index c616f56af5b5..1e581576fc7e 100644 --- a/drivers/gpu/drm/tiny/ili9163.c +++ b/drivers/gpu/drm/tiny/ili9163.c @@ -35,16 +35,48 @@ #define ILI9163_MADCTL_MX BIT(6) #define ILI9163_MADCTL_MY BIT(7) -static void yx240qv29_enable(struct drm_simple_display_pipe *pipe, - struct drm_crtc_state *crtc_state, - struct drm_plane_state *plane_state) +struct ili9163_device { + struct mipi_dbi_dev dbidev; + + struct drm_plane plane; + struct drm_crtc crtc; + struct drm_encoder encoder; + struct drm_connector connector; +}; + +static struct ili9163_device *to_ili9163_device(struct drm_device *dev) { - struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); + return container_of(drm_to_mipi_dbi_dev(dev), struct ili9163_device, dbidev); +} + +static const u32 ili9163_plane_formats[] = { + DRM_MIPI_DBI_PLANE_FORMATS, +}; + +static const u64 ili9163_plane_format_modifiers[] = { + DRM_MIPI_DBI_PLANE_FORMAT_MODIFIERS, +}; + +static const struct drm_plane_helper_funcs ili9163_plane_helper_funcs = { + DRM_MIPI_DBI_PLANE_HELPER_FUNCS, +}; + +static const struct drm_plane_funcs ili9163_plane_funcs = { + DRM_MIPI_DBI_PLANE_FUNCS, + .destroy = drm_plane_cleanup, +}; + +static void ili9163_crtc_helper_atomic_enable(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct drm_device *drm = crtc->dev; + struct ili9163_device *ili9163 = to_ili9163_device(drm); + struct mipi_dbi_dev *dbidev = &ili9163->dbidev; struct mipi_dbi *dbi = &dbidev->dbi; u8 addr_mode; int ret, idx; - if (!drm_dev_enter(pipe->crtc.dev, &idx)) + if (!drm_dev_enter(drm, &idx)) return; DRM_DEBUG_KMS("\n"); @@ -102,8 +134,35 @@ static void yx240qv29_enable(struct drm_simple_display_pipe *pipe, drm_dev_exit(idx); } -static const struct drm_simple_display_pipe_funcs ili9163_pipe_funcs = { - DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS(yx240qv29_enable), +static const struct drm_crtc_helper_funcs ili9163_crtc_helper_funcs = { + DRM_MIPI_DBI_CRTC_HELPER_FUNCS, + .atomic_enable = ili9163_crtc_helper_atomic_enable, +}; + +static const struct drm_crtc_funcs ili9163_crtc_funcs = { + DRM_MIPI_DBI_CRTC_FUNCS, + .destroy = drm_crtc_cleanup, +}; + +static const struct drm_encoder_funcs ili9163_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +static const struct drm_connector_helper_funcs ili9163_connector_helper_funcs = { + DRM_MIPI_DBI_CONNECTOR_HELPER_FUNCS, +}; + +static const struct drm_connector_funcs ili9163_connector_funcs = { + DRM_MIPI_DBI_CONNECTOR_FUNCS, + .destroy = drm_connector_cleanup, +}; + +static const struct drm_mode_config_helper_funcs ili9163_mode_config_helper_funcs = { + DRM_MIPI_DBI_MODE_CONFIG_HELPER_FUNCS, +}; + +static const struct drm_mode_config_funcs ili9163_mode_config_funcs = { + DRM_MIPI_DBI_MODE_CONFIG_FUNCS, }; static const struct drm_display_mode yx240qv29_mode = { @@ -139,18 +198,22 @@ MODULE_DEVICE_TABLE(spi, ili9163_id); static int ili9163_probe(struct spi_device *spi) { struct device *dev = &spi->dev; + struct ili9163_device *ili9163; struct mipi_dbi_dev *dbidev; struct drm_device *drm; struct mipi_dbi *dbi; struct gpio_desc *dc; + struct drm_plane *plane; + struct drm_crtc *crtc; + struct drm_encoder *encoder; + struct drm_connector *connector; u32 rotation = 0; int ret; - dbidev = devm_drm_dev_alloc(dev, &ili9163_driver, - struct mipi_dbi_dev, drm); - if (IS_ERR(dbidev)) - return PTR_ERR(dbidev); - + ili9163 = devm_drm_dev_alloc(dev, &ili9163_driver, struct ili9163_device, dbidev.drm); + if (IS_ERR(ili9163)) + return PTR_ERR(ili9163); + dbidev = &ili9163->dbidev; dbi = &dbidev->dbi; drm = &dbidev->drm; @@ -178,7 +241,53 @@ static int ili9163_probe(struct spi_device *spi) if (ret) return ret; - ret = mipi_dbi_dev_init(dbidev, &ili9163_pipe_funcs, &yx240qv29_mode, rotation); + ret = drm_mipi_dbi_dev_init(dbidev, &yx240qv29_mode, ili9163_plane_formats[0], + rotation, 0); + if (ret) + return ret; + + ret = drmm_mode_config_init(drm); + if (ret) + return ret; + + 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.funcs = &ili9163_mode_config_funcs; + drm->mode_config.preferred_depth = 16; + drm->mode_config.helper_private = &ili9163_mode_config_helper_funcs; + + plane = &ili9163->plane; + ret = drm_universal_plane_init(drm, plane, 0, &ili9163_plane_funcs, + ili9163_plane_formats, ARRAY_SIZE(ili9163_plane_formats), + ili9163_plane_format_modifiers, + DRM_PLANE_TYPE_PRIMARY, NULL); + if (ret) + return ret; + drm_plane_helper_add(plane, &ili9163_plane_helper_funcs); + drm_plane_enable_fb_damage_clips(plane); + + crtc = &ili9163->crtc; + ret = drm_crtc_init_with_planes(drm, crtc, plane, NULL, &ili9163_crtc_funcs, NULL); + if (ret) + return ret; + drm_crtc_helper_add(crtc, &ili9163_crtc_helper_funcs); + + encoder = &ili9163->encoder; + ret = drm_encoder_init(drm, encoder, &ili9163_encoder_funcs, DRM_MODE_ENCODER_NONE, NULL); + if (ret) + return ret; + encoder->possible_crtcs = drm_crtc_mask(crtc); + + connector = &ili9163->connector; + ret = drm_connector_init(drm, connector, &ili9163_connector_funcs, + DRM_MODE_CONNECTOR_SPI); + if (ret) + return ret; + drm_connector_helper_add(connector, &ili9163_connector_helper_funcs); + + ret = drm_connector_attach_encoder(connector, encoder); if (ret) return ret; -- 2.53.0