diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 165 |
1 files changed, 95 insertions, 70 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index d30c2e29bee2..b31ac080c4a7 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -19,10 +19,10 @@ #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_lvdsenc.h" #include "rcar_du_regs.h" -#include "rcar_du_vga.h" /* ----------------------------------------------------------------------------- * Format helpers @@ -106,46 +106,24 @@ 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 */ int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { + struct rcar_du_device *rcdu = dev->dev_private; unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); unsigned int align; - /* The pitch must be aligned to a 16 pixels boundary. */ - align = 16 * args->bpp / 8; + /* The R8A7779 DU requires a 16 pixels pitch alignment as documented, + * but the R8A7790 DU seems to require a 128 bytes pitch alignment. + */ + if (rcar_du_has(rcdu, RCAR_DU_FEATURE_ALIGN_128B)) + align = 128; + else + align = 16 * args->bpp / 8; + args->pitch = roundup(max(args->pitch, min_pitch), align); return drm_gem_cma_dumb_create(file, dev, args); @@ -155,6 +133,7 @@ static struct drm_framebuffer * rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd) { + struct rcar_du_device *rcdu = dev->dev_private; const struct rcar_du_format_info *format; unsigned int align; @@ -165,7 +144,10 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(-EINVAL); } - align = 16 * format->bpp / 8; + if (rcar_du_has(rcdu, RCAR_DU_FEATURE_ALIGN_128B)) + align = 128; + else + align = 16 * format->bpp / 8; if (mode_cmd->pitches[0] & (align - 1) || mode_cmd->pitches[0] >= 8192) { @@ -185,81 +167,124 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv, return drm_fb_cma_create(dev, file_priv, mode_cmd); } +static void rcar_du_output_poll_changed(struct drm_device *dev) +{ + struct rcar_du_device *rcdu = dev->dev_private; + + drm_fbdev_cma_hotplug_event(rcdu->fbdev); +} + static const struct drm_mode_config_funcs rcar_du_mode_config_funcs = { .fb_create = rcar_du_fb_create, + .output_poll_changed = rcar_du_output_poll_changed, }; int rcar_du_modeset_init(struct rcar_du_device *rcdu) { + static const unsigned int mmio_offsets[] = { + DU0_REG_OFFSET, DU2_REG_OFFSET + }; + struct drm_device *dev = rcdu->ddev; struct drm_encoder *encoder; + struct drm_fbdev_cma *fbdev; + unsigned int num_groups; unsigned int i; int ret; - drm_mode_config_init(rcdu->ddev); + drm_mode_config_init(dev); - rcdu->ddev->mode_config.min_width = 0; - rcdu->ddev->mode_config.min_height = 0; - rcdu->ddev->mode_config.max_width = 4095; - rcdu->ddev->mode_config.max_height = 2047; - rcdu->ddev->mode_config.funcs = &rcar_du_mode_config_funcs; + dev->mode_config.min_width = 0; + dev->mode_config.min_height = 0; + dev->mode_config.max_width = 4095; + dev->mode_config.max_height = 2047; + dev->mode_config.funcs = &rcar_du_mode_config_funcs; - ret = rcar_du_plane_init(rcdu); - if (ret < 0) - return ret; + rcdu->num_crtcs = rcdu->info->num_crtcs; + + /* Initialize the groups. */ + num_groups = DIV_ROUND_UP(rcdu->num_crtcs, 2); + + for (i = 0; i < num_groups; ++i) { + struct rcar_du_group *rgrp = &rcdu->groups[i]; + + rgrp->dev = rcdu; + rgrp->mmio_offset = mmio_offsets[i]; + rgrp->index = i; + + ret = rcar_du_planes_init(rgrp); + if (ret < 0) + return ret; + } + + /* Create the CRTCs. */ + for (i = 0; i < rcdu->num_crtcs; ++i) { + struct rcar_du_group *rgrp = &rcdu->groups[i / 2]; - for (i = 0; i < ARRAY_SIZE(rcdu->crtcs); ++i) { - ret = rcar_du_crtc_create(rcdu, i); + ret = rcar_du_crtc_create(rgrp, i); if (ret < 0) return ret; } - rcdu->used_crtcs = 0; - rcdu->num_crtcs = i; + /* Initialize the encoders. */ + ret = rcar_du_lvdsenc_init(rcdu); + if (ret < 0) + return ret; for (i = 0; i < rcdu->pdata->num_encoders; ++i) { const struct rcar_du_encoder_data *pdata = &rcdu->pdata->encoders[i]; + const struct rcar_du_output_routing *route = + &rcdu->info->routes[pdata->output]; + + if (pdata->type == RCAR_DU_ENCODER_UNUSED) + continue; - if (pdata->output >= ARRAY_SIZE(rcdu->crtcs)) { + if (pdata->output >= RCAR_DU_OUTPUT_MAX || + route->possible_crtcs == 0) { dev_warn(rcdu->dev, "encoder %u references unexisting output %u, skipping\n", i, pdata->output); 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->type, pdata->output, pdata); } - /* Set the possible CRTCs and possible clones. All encoders can be - * driven by the CRTC associated with the output they're connected to, - * as well as by CRTC 0. + /* Set the possible CRTCs and possible clones. There's always at least + * one way for all encoders to clone each other, set all bits in the + * possible clones field. */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { struct rcar_du_encoder *renc = to_rcar_encoder(encoder); + const struct rcar_du_output_routing *route = + &rcdu->info->routes[renc->output]; - encoder->possible_crtcs = (1 << 0) | (1 << renc->output); - encoder->possible_clones = 1 << 0; + encoder->possible_crtcs = route->possible_crtcs; + encoder->possible_clones = (1 << rcdu->pdata->num_encoders) - 1; } - ret = rcar_du_plane_register(rcdu); - if (ret < 0) - return ret; + /* Now that the CRTCs have been initialized register the planes. */ + for (i = 0; i < num_groups; ++i) { + ret = rcar_du_planes_register(&rcdu->groups[i]); + if (ret < 0) + return ret; + } + + drm_kms_helper_poll_init(dev); + + drm_helper_disable_unused_functions(dev); + + fbdev = drm_fbdev_cma_init(dev, 32, dev->mode_config.num_crtc, + dev->mode_config.num_connector); + if (IS_ERR(fbdev)) + return PTR_ERR(fbdev); - drm_kms_helper_poll_init(rcdu->ddev); +#ifndef CONFIG_FRAMEBUFFER_CONSOLE + drm_fbdev_cma_restore_mode(fbdev); +#endif - drm_helper_disable_unused_functions(rcdu->ddev); + rcdu->fbdev = fbdev; return 0; } |