Create a single rcar_du_encoder structure that implements a KMS encoder. The current implementation is straightforward and only configures CRTC output routing.
Signed-off-by: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com --- drivers/gpu/drm/rcar-du/Makefile | 3 +- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 - drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 148 ++++++++++++++++++++++++++++++ drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 45 +++++++++ drivers/gpu/drm/rcar-du/rcar_du_kms.c | 49 ++-------- drivers/gpu/drm/rcar-du/rcar_du_kms.h | 29 +----- drivers/gpu/drm/rcar-du/rcar_du_lvds.c | 100 -------------------- drivers/gpu/drm/rcar-du/rcar_du_lvds.h | 24 ----- drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 1 + drivers/gpu/drm/rcar-du/rcar_du_vga.c | 67 -------------- drivers/gpu/drm/rcar-du/rcar_du_vga.h | 24 ----- drivers/gpu/drm/rcar-du/rcar_du_vgacon.c | 1 + 12 files changed, 205 insertions(+), 288 deletions(-) create mode 100644 drivers/gpu/drm/rcar-du/rcar_du_encoder.c create mode 100644 drivers/gpu/drm/rcar-du/rcar_du_encoder.h delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_lvds.c delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_lvds.h delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_vga.c delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_vga.h
diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile index 45a8479..57b0fe1 100644 --- a/drivers/gpu/drm/rcar-du/Makefile +++ b/drivers/gpu/drm/rcar-du/Makefile @@ -1,10 +1,9 @@ rcar-du-drm-y := rcar_du_crtc.o \ rcar_du_drv.o \ + rcar_du_encoder.o \ rcar_du_kms.o \ - rcar_du_lvds.o \ rcar_du_lvdscon.o \ rcar_du_plane.o \ - rcar_du_vga.o \ rcar_du_vgacon.o
obj-$(CONFIG_DRM_RCAR_DU) += rcar-du-drm.o diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index aefc8a0..03dd701 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -23,10 +23,8 @@ #include "rcar_du_crtc.h" #include "rcar_du_drv.h" #include "rcar_du_kms.h" -#include "rcar_du_lvds.h" #include "rcar_du_plane.h" #include "rcar_du_regs.h" -#include "rcar_du_vga.h"
#define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c new file mode 100644 index 0000000..15a5643 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -0,0 +1,148 @@ +/* + * rcar_du_encoder.c -- R-Car Display Unit Encoder + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> + +#include "rcar_du_drv.h" +#include "rcar_du_encoder.h" +#include "rcar_du_kms.h" +#include "rcar_du_lvdscon.h" +#include "rcar_du_vgacon.h" + +/* ----------------------------------------------------------------------------- + * Common connector functions + */ + +struct drm_encoder * +rcar_du_connector_best_encoder(struct drm_connector *connector) +{ + struct rcar_du_connector *rcon = to_rcar_connector(connector); + + return &rcon->encoder->encoder; +} + +/* ----------------------------------------------------------------------------- + * Encoder + */ + +static void rcar_du_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +} + +static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + const struct drm_display_mode *panel_mode; + struct drm_device *dev = encoder->dev; + struct drm_connector *connector; + bool found = false; + + /* DAC encoders have currently no restriction on the mode. */ + if (encoder->encoder_type == DRM_MODE_ENCODER_DAC) + return true; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder == encoder) { + found = true; + break; + } + } + + if (!found) { + dev_dbg(dev->dev, "mode_fixup: no connector found\n"); + return false; + } + + if (list_empty(&connector->modes)) { + dev_dbg(dev->dev, "mode_fixup: empty modes list\n"); + return false; + } + + panel_mode = list_first_entry(&connector->modes, + struct drm_display_mode, head); + + /* We're not allowed to modify the resolution. */ + if (mode->hdisplay != panel_mode->hdisplay || + mode->vdisplay != panel_mode->vdisplay) + return false; + + /* The flat panel mode is fixed, just copy it to the adjusted mode. */ + drm_mode_copy(adjusted_mode, panel_mode); + + return true; +} + +static void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder) +{ +} + +static void rcar_du_encoder_mode_commit(struct drm_encoder *encoder) +{ +} + +static void rcar_du_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct rcar_du_encoder *renc = to_rcar_encoder(encoder); + + rcar_du_crtc_route_output(encoder->crtc, renc->output); +} + +static const struct drm_encoder_helper_funcs encoder_helper_funcs = { + .dpms = rcar_du_encoder_dpms, + .mode_fixup = rcar_du_encoder_mode_fixup, + .prepare = rcar_du_encoder_mode_prepare, + .commit = rcar_du_encoder_mode_commit, + .mode_set = rcar_du_encoder_mode_set, +}; + +static const struct drm_encoder_funcs encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +int rcar_du_encoder_init(struct rcar_du_device *rcdu, + enum rcar_du_encoder_type type, unsigned int output, + const struct rcar_du_encoder_data *data) +{ + struct rcar_du_encoder *renc; + int ret; + + renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL); + if (renc == NULL) + return -ENOMEM; + + renc->output = output; + + ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs, + type); + if (ret < 0) + return ret; + + drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs); + + switch (type) { + case RCAR_DU_ENCODER_LVDS: + return rcar_du_lvds_connector_init(rcdu, renc, + &data->u.lvds.panel); + + case RCAR_DU_ENCODER_VGA: + return rcar_du_vga_connector_init(rcdu, renc); + + default: + return -EINVAL; + } +} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h new file mode 100644 index 0000000..4f76e16 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -0,0 +1,45 @@ +/* + * rcar_du_encoder.h -- R-Car Display Unit Encoder + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __RCAR_DU_ENCODER_H__ +#define __RCAR_DU_ENCODER_H__ + +#include <drm/drm_crtc.h> + +struct rcar_du_device; +struct rcar_du_encoder_data; + +struct rcar_du_encoder { + struct drm_encoder encoder; + unsigned int output; +}; + +#define to_rcar_encoder(e) \ + container_of(e, struct rcar_du_encoder, encoder) + +struct rcar_du_connector { + struct drm_connector connector; + struct rcar_du_encoder *encoder; +}; + +#define to_rcar_connector(c) \ + container_of(c, struct rcar_du_connector, connector) + +struct drm_encoder * +rcar_du_connector_best_encoder(struct drm_connector *connector); + +int rcar_du_encoder_init(struct rcar_du_device *rcdu, + enum rcar_du_encoder_type type, unsigned int output, + const struct rcar_du_encoder_data *data); + +#endif /* __RCAR_DU_ENCODER_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index d30c2e2..3f8483c 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -19,10 +19,9 @@
#include "rcar_du_crtc.h" #include "rcar_du_drv.h" +#include "rcar_du_encoder.h" #include "rcar_du_kms.h" -#include "rcar_du_lvds.h" #include "rcar_du_regs.h" -#include "rcar_du_vga.h"
/* ----------------------------------------------------------------------------- * Format helpers @@ -106,35 +105,6 @@ const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc) }
/* ----------------------------------------------------------------------------- - * Common connector and encoder functions - */ - -struct drm_encoder * -rcar_du_connector_best_encoder(struct drm_connector *connector) -{ - struct rcar_du_connector *rcon = to_rcar_connector(connector); - - return &rcon->encoder->encoder; -} - -void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder) -{ -} - -void rcar_du_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct rcar_du_encoder *renc = to_rcar_encoder(encoder); - - rcar_du_crtc_route_output(encoder->crtc, renc->output); -} - -void rcar_du_encoder_mode_commit(struct drm_encoder *encoder) -{ -} - -/* ----------------------------------------------------------------------------- * Frame buffer */
@@ -221,6 +191,9 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) const struct rcar_du_encoder_data *pdata = &rcdu->pdata->encoders[i];
+ if (pdata->encoder == RCAR_DU_ENCODER_UNUSED) + continue; + if (pdata->output >= ARRAY_SIZE(rcdu->crtcs)) { dev_warn(rcdu->dev, "encoder %u references unexisting output %u, skipping\n", @@ -228,18 +201,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) continue; }
- switch (pdata->encoder) { - case RCAR_DU_ENCODER_VGA: - rcar_du_vga_init(rcdu, &pdata->u.vga, pdata->output); - break; - - case RCAR_DU_ENCODER_LVDS: - rcar_du_lvds_init(rcdu, &pdata->u.lvds, pdata->output); - break; - - default: - break; - } + rcar_du_encoder_init(rcdu, pdata->encoder, pdata->output, + pdata); }
/* Set the possible CRTCs and possible clones. All encoders can be diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.h b/drivers/gpu/drm/rcar-du/rcar_du_kms.h index dba4722..5750e6a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.h @@ -16,8 +16,9 @@
#include <linux/types.h>
-#include <drm/drm_crtc.h> - +struct drm_file; +struct drm_device; +struct drm_mode_create_dumb; struct rcar_du_device;
struct rcar_du_format_info { @@ -28,32 +29,8 @@ struct rcar_du_format_info { unsigned int edf; };
-struct rcar_du_encoder { - struct drm_encoder encoder; - unsigned int output; -}; - -#define to_rcar_encoder(e) \ - container_of(e, struct rcar_du_encoder, encoder) - -struct rcar_du_connector { - struct drm_connector connector; - struct rcar_du_encoder *encoder; -}; - -#define to_rcar_connector(c) \ - container_of(c, struct rcar_du_connector, connector) - const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc);
-struct drm_encoder * -rcar_du_connector_best_encoder(struct drm_connector *connector); -void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder); -void rcar_du_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -void rcar_du_encoder_mode_commit(struct drm_encoder *encoder); - int rcar_du_modeset_init(struct rcar_du_device *rcdu);
int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c b/drivers/gpu/drm/rcar-du/rcar_du_lvds.c deleted file mode 100644 index 82e5157..0000000 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * rcar_du_lvds.c -- R-Car Display Unit LVDS Encoder - * - * Copyright (C) 2013 Renesas Corporation - * - * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <drm/drmP.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> - -#include "rcar_du_drv.h" -#include "rcar_du_kms.h" -#include "rcar_du_lvds.h" -#include "rcar_du_lvdscon.h" - -static void rcar_du_lvds_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - -static bool rcar_du_lvds_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - const struct drm_display_mode *panel_mode; - struct drm_device *dev = encoder->dev; - struct drm_connector *connector; - bool found = false; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - found = true; - break; - } - } - - if (!found) { - dev_dbg(dev->dev, "mode_fixup: no connector found\n"); - return false; - } - - if (list_empty(&connector->modes)) { - dev_dbg(dev->dev, "mode_fixup: empty modes list\n"); - return false; - } - - panel_mode = list_first_entry(&connector->modes, - struct drm_display_mode, head); - - /* We're not allowed to modify the resolution. */ - if (mode->hdisplay != panel_mode->hdisplay || - mode->vdisplay != panel_mode->vdisplay) - return false; - - /* The flat panel mode is fixed, just copy it to the adjusted mode. */ - drm_mode_copy(adjusted_mode, panel_mode); - - return true; -} - -static const struct drm_encoder_helper_funcs encoder_helper_funcs = { - .dpms = rcar_du_lvds_encoder_dpms, - .mode_fixup = rcar_du_lvds_encoder_mode_fixup, - .prepare = rcar_du_encoder_mode_prepare, - .commit = rcar_du_encoder_mode_commit, - .mode_set = rcar_du_encoder_mode_set, -}; - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -int rcar_du_lvds_init(struct rcar_du_device *rcdu, - const struct rcar_du_encoder_lvds_data *data, - unsigned int output) -{ - struct rcar_du_encoder *renc; - int ret; - - renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL); - if (renc == NULL) - return -ENOMEM; - - renc->output = output; - - ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs, - DRM_MODE_ENCODER_LVDS); - if (ret < 0) - return ret; - - drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs); - - return rcar_du_lvds_connector_init(rcdu, renc, &data->panel); -} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvds.h b/drivers/gpu/drm/rcar-du/rcar_du_lvds.h deleted file mode 100644 index b47f832..0000000 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvds.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * rcar_du_lvds.h -- R-Car Display Unit LVDS Encoder and Connector - * - * Copyright (C) 2013 Renesas Corporation - * - * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __RCAR_DU_LVDS_H__ -#define __RCAR_DU_LVDS_H__ - -struct rcar_du_device; -struct rcar_du_encoder_lvds_data; - -int rcar_du_lvds_init(struct rcar_du_device *rcdu, - const struct rcar_du_encoder_lvds_data *data, - unsigned int output); - -#endif /* __RCAR_DU_LVDS_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 6cfcc94..4f3ba93 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -16,6 +16,7 @@ #include <drm/drm_crtc_helper.h>
#include "rcar_du_drv.h" +#include "rcar_du_encoder.h" #include "rcar_du_kms.h" #include "rcar_du_lvdscon.h"
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vga.c b/drivers/gpu/drm/rcar-du/rcar_du_vga.c deleted file mode 100644 index 369ab32..0000000 --- a/drivers/gpu/drm/rcar-du/rcar_du_vga.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * rcar_du_vga.c -- R-Car Display Unit VGA DAC - * - * Copyright (C) 2013 Renesas Corporation - * - * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <drm/drmP.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> - -#include "rcar_du_drv.h" -#include "rcar_du_kms.h" -#include "rcar_du_vga.h" -#include "rcar_du_vgacon.h" - -static void rcar_du_vga_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - -static bool rcar_du_vga_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static const struct drm_encoder_helper_funcs encoder_helper_funcs = { - .dpms = rcar_du_vga_encoder_dpms, - .mode_fixup = rcar_du_vga_encoder_mode_fixup, - .prepare = rcar_du_encoder_mode_prepare, - .commit = rcar_du_encoder_mode_commit, - .mode_set = rcar_du_encoder_mode_set, -}; - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -int rcar_du_vga_init(struct rcar_du_device *rcdu, - const struct rcar_du_encoder_vga_data *data, - unsigned int output) -{ - struct rcar_du_encoder *renc; - int ret; - - renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL); - if (renc == NULL) - return -ENOMEM; - - renc->output = output; - - ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs, - DRM_MODE_ENCODER_DAC); - if (ret < 0) - return ret; - - drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs); - - return rcar_du_vga_connector_init(rcdu, renc); -} diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vga.h b/drivers/gpu/drm/rcar-du/rcar_du_vga.h deleted file mode 100644 index b969b20..0000000 --- a/drivers/gpu/drm/rcar-du/rcar_du_vga.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * rcar_du_vga.h -- R-Car Display Unit VGA DAC - * - * Copyright (C) 2013 Renesas Corporation - * - * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __RCAR_DU_VGA_H__ -#define __RCAR_DU_VGA_H__ - -struct rcar_du_device; -struct rcar_du_encoder_vga_data; - -int rcar_du_vga_init(struct rcar_du_device *rcdu, - const struct rcar_du_encoder_vga_data *data, - unsigned int output); - -#endif /* __RCAR_DU_VGA_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c index 2ee3203..36105db 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c @@ -16,6 +16,7 @@ #include <drm/drm_crtc_helper.h>
#include "rcar_du_drv.h" +#include "rcar_du_encoder.h" #include "rcar_du_kms.h" #include "rcar_du_vgacon.h"