From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 1/9] drm: rcar-du: Use the DRM panel API Date: Mon, 6 Mar 2017 02:02:54 +0200 [thread overview] Message-ID: <20170306000302.14149-2-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <20170306000302.14149-1-laurent.pinchart+renesas@ideasonboard.com> Instead of parsing the panel device tree node manually, use the panel API to delegate panel handling to a panel driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- drivers/gpu/drm/rcar-du/Kconfig | 1 + drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 22 ++++++++++ drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 3 ++ drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 68 +++++++++++-------------------- 4 files changed, 50 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig index 4c2fd056dd6d..2bab449add76 100644 --- a/drivers/gpu/drm/rcar-du/Kconfig +++ b/drivers/gpu/drm/rcar-du/Kconfig @@ -20,6 +20,7 @@ config DRM_RCAR_HDMI config DRM_RCAR_LVDS bool "R-Car DU LVDS Encoder Support" depends on DRM_RCAR_DU + select DRM_PANEL help Enable support for the R-Car Display Unit embedded LVDS encoders. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 3974d9495f37..31f878ad099d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -16,6 +16,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_panel.h> #include "rcar_du_drv.h" #include "rcar_du_encoder.h" @@ -33,6 +34,11 @@ static void rcar_du_encoder_disable(struct drm_encoder *encoder) { struct rcar_du_encoder *renc = to_rcar_encoder(encoder); + if (renc->connector && renc->connector->panel) { + drm_panel_disable(renc->connector->panel); + drm_panel_unprepare(renc->connector->panel); + } + if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, false); } @@ -43,6 +49,11 @@ static void rcar_du_encoder_enable(struct drm_encoder *encoder) if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, true); + + if (renc->connector && renc->connector->panel) { + drm_panel_prepare(renc->connector->panel); + drm_panel_enable(renc->connector->panel); + } } static int rcar_du_encoder_atomic_check(struct drm_encoder *encoder, @@ -89,6 +100,17 @@ static void rcar_du_encoder_mode_set(struct drm_encoder *encoder, struct rcar_du_encoder *renc = to_rcar_encoder(encoder); rcar_du_crtc_route_output(crtc_state->crtc, renc->output); + + if (!renc->lvds) { + /* + * The DU driver creates connectors only for the outputs of the + * internal LVDS encoders. + */ + renc->connector = NULL; + return; + } + + renc->connector = to_rcar_connector(conn_state->connector); } static const struct drm_encoder_helper_funcs encoder_helper_funcs = { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h index a050a3699857..b79b2f075a74 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -17,6 +17,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_encoder.h> +struct drm_panel; struct rcar_du_device; struct rcar_du_hdmienc; struct rcar_du_lvdsenc; @@ -32,6 +33,7 @@ enum rcar_du_encoder_type { struct rcar_du_encoder { struct drm_encoder base; enum rcar_du_output output; + struct rcar_du_connector *connector; struct rcar_du_hdmienc *hdmi; struct rcar_du_lvdsenc *lvds; }; @@ -44,6 +46,7 @@ struct rcar_du_encoder { struct rcar_du_connector { struct drm_connector connector; struct rcar_du_encoder *encoder; + struct drm_panel *panel; }; #define to_rcar_connector(c) \ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 3bcfd161c53f..ee91481131ad 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -15,6 +15,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_panel.h> #include <video/display_timing.h> #include <video/of_display_timing.h> @@ -25,47 +26,30 @@ #include "rcar_du_kms.h" #include "rcar_du_lvdscon.h" -struct rcar_du_lvds_connector { - struct rcar_du_connector connector; - - struct { - unsigned int width_mm; /* Panel width in mm */ - unsigned int height_mm; /* Panel height in mm */ - struct videomode mode; - } panel; -}; - -#define to_rcar_lvds_connector(c) \ - container_of(c, struct rcar_du_lvds_connector, connector.connector) - static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector) { - struct rcar_du_lvds_connector *lvdscon = - to_rcar_lvds_connector(connector); - struct drm_display_mode *mode; - - mode = drm_mode_create(connector->dev); - if (mode == NULL) - return 0; + struct rcar_du_connector *rcon = to_rcar_connector(connector); - mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; - - drm_display_mode_from_videomode(&lvdscon->panel.mode, mode); - - drm_mode_probed_add(connector, mode); - - return 1; + return drm_panel_get_modes(rcon->panel); } static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_lvds_connector_get_modes, }; +static void rcar_du_lvds_connector_destroy(struct drm_connector *connector) +{ + struct rcar_du_connector *rcon = to_rcar_connector(connector); + + drm_panel_detach(rcon->panel); + drm_connector_cleanup(connector); +} + static const struct drm_connector_funcs connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, + .destroy = rcar_du_lvds_connector_destroy, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; @@ -75,27 +59,19 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, const struct device_node *np) { struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc); - struct rcar_du_lvds_connector *lvdscon; + struct rcar_du_connector *rcon; struct drm_connector *connector; - struct display_timing timing; int ret; - lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL); - if (lvdscon == NULL) + rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL); + if (rcon == NULL) return -ENOMEM; - ret = of_get_display_timing(np, "panel-timing", &timing); - if (ret < 0) - return ret; - - videomode_from_timing(&timing, &lvdscon->panel.mode); + connector = &rcon->connector; - of_property_read_u32(np, "width-mm", &lvdscon->panel.width_mm); - of_property_read_u32(np, "height-mm", &lvdscon->panel.height_mm); - - connector = &lvdscon->connector.connector; - connector->display_info.width_mm = lvdscon->panel.width_mm; - connector->display_info.height_mm = lvdscon->panel.height_mm; + rcon->panel = of_drm_find_panel(np); + if (!rcon->panel) + return -EPROBE_DEFER; ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, DRM_MODE_CONNECTOR_LVDS); @@ -112,7 +88,11 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, if (ret < 0) return ret; - lvdscon->connector.encoder = renc; + ret = drm_panel_attach(rcon->panel, connector); + if (ret < 0) + return ret; + + rcon->encoder = renc; return 0; } -- Regards, Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 1/9] drm: rcar-du: Use the DRM panel API Date: Mon, 6 Mar 2017 02:02:54 +0200 [thread overview] Message-ID: <20170306000302.14149-2-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <20170306000302.14149-1-laurent.pinchart+renesas@ideasonboard.com> Instead of parsing the panel device tree node manually, use the panel API to delegate panel handling to a panel driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- drivers/gpu/drm/rcar-du/Kconfig | 1 + drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 22 ++++++++++ drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 3 ++ drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 68 +++++++++++-------------------- 4 files changed, 50 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig index 4c2fd056dd6d..2bab449add76 100644 --- a/drivers/gpu/drm/rcar-du/Kconfig +++ b/drivers/gpu/drm/rcar-du/Kconfig @@ -20,6 +20,7 @@ config DRM_RCAR_HDMI config DRM_RCAR_LVDS bool "R-Car DU LVDS Encoder Support" depends on DRM_RCAR_DU + select DRM_PANEL help Enable support for the R-Car Display Unit embedded LVDS encoders. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 3974d9495f37..31f878ad099d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -16,6 +16,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_panel.h> #include "rcar_du_drv.h" #include "rcar_du_encoder.h" @@ -33,6 +34,11 @@ static void rcar_du_encoder_disable(struct drm_encoder *encoder) { struct rcar_du_encoder *renc = to_rcar_encoder(encoder); + if (renc->connector && renc->connector->panel) { + drm_panel_disable(renc->connector->panel); + drm_panel_unprepare(renc->connector->panel); + } + if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, false); } @@ -43,6 +49,11 @@ static void rcar_du_encoder_enable(struct drm_encoder *encoder) if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, true); + + if (renc->connector && renc->connector->panel) { + drm_panel_prepare(renc->connector->panel); + drm_panel_enable(renc->connector->panel); + } } static int rcar_du_encoder_atomic_check(struct drm_encoder *encoder, @@ -89,6 +100,17 @@ static void rcar_du_encoder_mode_set(struct drm_encoder *encoder, struct rcar_du_encoder *renc = to_rcar_encoder(encoder); rcar_du_crtc_route_output(crtc_state->crtc, renc->output); + + if (!renc->lvds) { + /* + * The DU driver creates connectors only for the outputs of the + * internal LVDS encoders. + */ + renc->connector = NULL; + return; + } + + renc->connector = to_rcar_connector(conn_state->connector); } static const struct drm_encoder_helper_funcs encoder_helper_funcs = { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h index a050a3699857..b79b2f075a74 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -17,6 +17,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_encoder.h> +struct drm_panel; struct rcar_du_device; struct rcar_du_hdmienc; struct rcar_du_lvdsenc; @@ -32,6 +33,7 @@ enum rcar_du_encoder_type { struct rcar_du_encoder { struct drm_encoder base; enum rcar_du_output output; + struct rcar_du_connector *connector; struct rcar_du_hdmienc *hdmi; struct rcar_du_lvdsenc *lvds; }; @@ -44,6 +46,7 @@ struct rcar_du_encoder { struct rcar_du_connector { struct drm_connector connector; struct rcar_du_encoder *encoder; + struct drm_panel *panel; }; #define to_rcar_connector(c) \ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 3bcfd161c53f..ee91481131ad 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -15,6 +15,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_panel.h> #include <video/display_timing.h> #include <video/of_display_timing.h> @@ -25,47 +26,30 @@ #include "rcar_du_kms.h" #include "rcar_du_lvdscon.h" -struct rcar_du_lvds_connector { - struct rcar_du_connector connector; - - struct { - unsigned int width_mm; /* Panel width in mm */ - unsigned int height_mm; /* Panel height in mm */ - struct videomode mode; - } panel; -}; - -#define to_rcar_lvds_connector(c) \ - container_of(c, struct rcar_du_lvds_connector, connector.connector) - static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector) { - struct rcar_du_lvds_connector *lvdscon = - to_rcar_lvds_connector(connector); - struct drm_display_mode *mode; - - mode = drm_mode_create(connector->dev); - if (mode == NULL) - return 0; + struct rcar_du_connector *rcon = to_rcar_connector(connector); - mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; - - drm_display_mode_from_videomode(&lvdscon->panel.mode, mode); - - drm_mode_probed_add(connector, mode); - - return 1; + return drm_panel_get_modes(rcon->panel); } static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_lvds_connector_get_modes, }; +static void rcar_du_lvds_connector_destroy(struct drm_connector *connector) +{ + struct rcar_du_connector *rcon = to_rcar_connector(connector); + + drm_panel_detach(rcon->panel); + drm_connector_cleanup(connector); +} + static const struct drm_connector_funcs connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, + .destroy = rcar_du_lvds_connector_destroy, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; @@ -75,27 +59,19 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, const struct device_node *np) { struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc); - struct rcar_du_lvds_connector *lvdscon; + struct rcar_du_connector *rcon; struct drm_connector *connector; - struct display_timing timing; int ret; - lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL); - if (lvdscon == NULL) + rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL); + if (rcon == NULL) return -ENOMEM; - ret = of_get_display_timing(np, "panel-timing", &timing); - if (ret < 0) - return ret; - - videomode_from_timing(&timing, &lvdscon->panel.mode); + connector = &rcon->connector; - of_property_read_u32(np, "width-mm", &lvdscon->panel.width_mm); - of_property_read_u32(np, "height-mm", &lvdscon->panel.height_mm); - - connector = &lvdscon->connector.connector; - connector->display_info.width_mm = lvdscon->panel.width_mm; - connector->display_info.height_mm = lvdscon->panel.height_mm; + rcon->panel = of_drm_find_panel(np); + if (!rcon->panel) + return -EPROBE_DEFER; ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, DRM_MODE_CONNECTOR_LVDS); @@ -112,7 +88,11 @@ int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, if (ret < 0) return ret; - lvdscon->connector.encoder = renc; + ret = drm_panel_attach(rcon->panel, connector); + if (ret < 0) + return ret; + + rcon->encoder = renc; return 0; } -- Regards, Laurent Pinchart _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2017-03-06 0:10 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-06 0:02 [PATCH v3 0/9] R-Car Gen3 HDMI output support Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart [this message] 2017-03-06 0:02 ` [PATCH v3 1/9] drm: rcar-du: Use the DRM panel API Laurent Pinchart 2017-03-06 0:02 ` [PATCH v3 2/9] drm: rcar-du: Add support for LVDS mode selection Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:02 ` [PATCH v3 3/9] drm: rcar-du: Replace manual bridge implementation with DRM bridge Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:02 ` [PATCH v3 4/9] drm: rcar-du: Hardcode encoders types to DRM_MODE_ENCODER_NONE Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:02 ` [PATCH v3 5/9] dt-bindings: display: renesas: Add R-Car Gen3 HDMI TX DT bindings Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:02 ` [PATCH v3 6/9] drm: rcar-du: Add Gen3 HDMI encoder support Laurent Pinchart 2017-03-06 0:02 ` Laurent Pinchart 2017-03-06 0:03 ` [PATCH v3 7/9] drm: rcar-du: Skip disabled outputs Laurent Pinchart 2017-03-06 0:03 ` Laurent Pinchart 2017-03-06 0:03 ` [PATCH v3 8/9] drm: rcar-du: Add DPLL support Laurent Pinchart 2017-03-06 0:03 ` Laurent Pinchart 2017-03-06 0:03 ` [PATCH v3 9/9] drm: rcar-du: Add HDMI outputs to R8A7795 device description Laurent Pinchart 2017-03-06 0:03 ` Laurent Pinchart
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20170306000302.14149-2-laurent.pinchart+renesas@ideasonboard.com \ --to=laurent.pinchart+renesas@ideasonboard.com \ --cc=dri-devel@lists.freedesktop.org \ --cc=linux-renesas-soc@vger.kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.