diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 189 |
1 files changed, 146 insertions, 43 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index 90891593bf6c..cfaf690a5b2f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -38,6 +38,7 @@ struct vmw_legacy_display { struct list_head active; unsigned num_active; + unsigned last_num_active; struct vmw_framebuffer *fb; }; @@ -48,9 +49,12 @@ struct vmw_legacy_display { struct vmw_legacy_display_unit { struct vmw_display_unit base; - struct list_head active; + unsigned pref_width; + unsigned pref_height; + bool pref_active; + struct drm_display_mode *pref_mode; - unsigned unit; + struct list_head active; }; static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) @@ -88,23 +92,44 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv) { struct vmw_legacy_display *lds = dev_priv->ldu_priv; struct vmw_legacy_display_unit *entry; - struct drm_crtc *crtc; + struct drm_framebuffer *fb = NULL; + struct drm_crtc *crtc = NULL; int i = 0; - /* to stop the screen from changing size on resize */ - vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); - for (i = 0; i < lds->num_active; i++) { - vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); - vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); - vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); + /* If there is no display topology the host just assumes + * that the guest will set the same layout as the host. + */ + if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) { + int w = 0, h = 0; + list_for_each_entry(entry, &lds->active, active) { + crtc = &entry->base.crtc; + w = max(w, crtc->x + crtc->mode.hdisplay); + h = max(h, crtc->y + crtc->mode.vdisplay); + i++; + } + + if (crtc == NULL) + return 0; + fb = entry->base.crtc.fb; + + vmw_kms_write_svga(dev_priv, w, h, fb->pitch, + fb->bits_per_pixel, fb->depth); + + return 0; } - /* Now set the mode */ - vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, lds->num_active); + if (!list_empty(&lds->active)) { + entry = list_entry(lds->active.next, typeof(*entry), active); + fb = entry->base.crtc.fb; + + vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitch, + fb->bits_per_pixel, fb->depth); + } + + /* Make sure we always show something. */ + vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, + lds->num_active ? lds->num_active : 1); + i = 0; list_for_each_entry(entry, &lds->active, active) { crtc = &entry->base.crtc; @@ -120,6 +145,10 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv) i++; } + BUG_ON(i != lds->num_active); + + lds->last_num_active = lds->num_active; + return 0; } @@ -130,6 +159,7 @@ static int vmw_ldu_del_active(struct vmw_private *vmw_priv, if (list_empty(&ldu->active)) return 0; + /* Must init otherwise list_empty(&ldu->active) will not work. */ list_del_init(&ldu->active); if (--(ld->num_active) == 0) { BUG_ON(!ld->fb); @@ -149,24 +179,29 @@ static int vmw_ldu_add_active(struct vmw_private *vmw_priv, struct vmw_legacy_display_unit *entry; struct list_head *at; + BUG_ON(!ld->num_active && ld->fb); + if (vfb != ld->fb) { + if (ld->fb && ld->fb->unpin) + ld->fb->unpin(ld->fb); + if (vfb->pin) + vfb->pin(vfb); + ld->fb = vfb; + } + if (!list_empty(&ldu->active)) return 0; at = &ld->active; list_for_each_entry(entry, &ld->active, active) { - if (entry->unit > ldu->unit) + if (entry->base.unit > ldu->base.unit) break; at = &entry->active; } list_add(&ldu->active, at); - if (ld->num_active++ == 0) { - BUG_ON(ld->fb); - if (vfb->pin) - vfb->pin(vfb); - ld->fb = vfb; - } + + ld->num_active++; return 0; } @@ -208,6 +243,8 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) /* ldu only supports one fb active at the time */ if (dev_priv->ldu_priv->fb && vfb && + !(dev_priv->ldu_priv->num_active == 1 && + !list_empty(&ldu->active)) && dev_priv->ldu_priv->fb != vfb) { DRM_ERROR("Multiple framebuffers not supported\n"); return -EINVAL; @@ -300,8 +337,7 @@ static void vmw_ldu_connector_restore(struct drm_connector *connector) static enum drm_connector_status vmw_ldu_connector_detect(struct drm_connector *connector) { - /* XXX vmwctrl should control connection status */ - if (vmw_connector_to_ldu(connector)->base.unit == 0) + if (vmw_connector_to_ldu(connector)->pref_active) return connector_status_connected; return connector_status_disconnected; } @@ -312,10 +348,9 @@ static struct drm_display_mode vmw_ldu_connector_builtin[] = { 752, 800, 0, 480, 489, 492, 525, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 800x600@60Hz */ - { DRM_MODE("800x600", - DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, - 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, - 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, + { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, + 968, 1056, 0, 600, 601, 605, 628, 0, + DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@60Hz */ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1184, 1344, 0, 768, 771, 777, 806, 0, @@ -387,10 +422,34 @@ static struct drm_display_mode vmw_ldu_connector_builtin[] = { static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, uint32_t max_width, uint32_t max_height) { + struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector); struct drm_device *dev = connector->dev; struct drm_display_mode *mode = NULL; + struct drm_display_mode prefmode = { DRM_MODE("preferred", + DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) + }; int i; + /* Add preferred mode */ + { + mode = drm_mode_duplicate(dev, &prefmode); + if (!mode) + return 0; + mode->hdisplay = ldu->pref_width; + mode->vdisplay = ldu->pref_height; + mode->vrefresh = drm_mode_vrefresh(mode); + drm_mode_probed_add(connector, mode); + + if (ldu->pref_mode) { + list_del_init(&ldu->pref_mode->head); + drm_mode_destroy(dev, ldu->pref_mode); + } + + ldu->pref_mode = mode; + } + for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { if (vmw_ldu_connector_builtin[i].hdisplay > max_width || vmw_ldu_connector_builtin[i].vdisplay > max_height) @@ -443,18 +502,21 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) if (!ldu) return -ENOMEM; - ldu->unit = unit; + ldu->base.unit = unit; crtc = &ldu->base.crtc; encoder = &ldu->base.encoder; connector = &ldu->base.connector; + INIT_LIST_HEAD(&ldu->active); + + ldu->pref_active = (unit == 0); + ldu->pref_width = 800; + ldu->pref_height = 600; + ldu->pref_mode = NULL; + drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - /* Initial status */ - if (unit == 0) - connector->status = connector_status_connected; - else - connector->status = connector_status_disconnected; + connector->status = vmw_ldu_connector_detect(connector); drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, DRM_MODE_ENCODER_LVDS); @@ -462,8 +524,6 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) encoder->possible_crtcs = (1 << unit); encoder->possible_clones = 0; - INIT_LIST_HEAD(&ldu->active); - drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); drm_connector_attach_property(connector, @@ -487,18 +547,22 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) INIT_LIST_HEAD(&dev_priv->ldu_priv->active); dev_priv->ldu_priv->num_active = 0; + dev_priv->ldu_priv->last_num_active = 0; dev_priv->ldu_priv->fb = NULL; drm_mode_create_dirty_info_property(dev_priv->dev); vmw_ldu_init(dev_priv, 0); - vmw_ldu_init(dev_priv, 1); - vmw_ldu_init(dev_priv, 2); - vmw_ldu_init(dev_priv, 3); - vmw_ldu_init(dev_priv, 4); - vmw_ldu_init(dev_priv, 5); - vmw_ldu_init(dev_priv, 6); - vmw_ldu_init(dev_priv, 7); + /* for old hardware without multimon only enable one display */ + if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { + vmw_ldu_init(dev_priv, 1); + vmw_ldu_init(dev_priv, 2); + vmw_ldu_init(dev_priv, 3); + vmw_ldu_init(dev_priv, 4); + vmw_ldu_init(dev_priv, 5); + vmw_ldu_init(dev_priv, 6); + vmw_ldu_init(dev_priv, 7); + } return 0; } @@ -514,3 +578,42 @@ int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) return 0; } + +int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num, + struct drm_vmw_rect *rects) +{ + struct drm_device *dev = dev_priv->dev; + struct vmw_legacy_display_unit *ldu; + struct drm_connector *con; + int i; + + mutex_lock(&dev->mode_config.mutex); + +#if 0 + DRM_INFO("%s: new layout ", __func__); + for (i = 0; i < (int)num; i++) + DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, + rects[i].w, rects[i].h); + DRM_INFO("\n"); +#else + (void)i; +#endif + + list_for_each_entry(con, &dev->mode_config.connector_list, head) { + ldu = vmw_connector_to_ldu(con); + if (num > ldu->base.unit) { + ldu->pref_width = rects[ldu->base.unit].w; + ldu->pref_height = rects[ldu->base.unit].h; + ldu->pref_active = true; + } else { + ldu->pref_width = 800; + ldu->pref_height = 600; + ldu->pref_active = false; + } + con->status = vmw_ldu_connector_detect(con); + } + + mutex_unlock(&dev->mode_config.mutex); + + return 0; +} |