Merge branch 'next/dt' of git://git.linaro.org/people/arnd/arm-soc
[pandora-kernel.git] / drivers / gpu / drm / vmwgfx / vmwgfx_ldu.c
index b3a2cd5..92f56bc 100644 (file)
@@ -27,7 +27,6 @@
 
 #include "vmwgfx_kms.h"
 
-#define VMWGFX_LDU_NUM_DU 8
 
 #define vmw_crtc_to_ldu(x) \
        container_of(x, struct vmw_legacy_display_unit, base.crtc)
@@ -51,11 +50,6 @@ struct vmw_legacy_display {
 struct vmw_legacy_display_unit {
        struct vmw_display_unit base;
 
-       unsigned pref_width;
-       unsigned pref_height;
-       bool pref_active;
-       struct drm_display_mode *pref_mode;
-
        struct list_head active;
 };
 
@@ -71,20 +65,6 @@ static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
  * Legacy Display Unit CRTC functions
  */
 
-static void vmw_ldu_crtc_save(struct drm_crtc *crtc)
-{
-}
-
-static void vmw_ldu_crtc_restore(struct drm_crtc *crtc)
-{
-}
-
-static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc,
-                                  u16 *r, u16 *g, u16 *b,
-                                  uint32_t start, uint32_t size)
-{
-}
-
 static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
 {
        vmw_ldu_destroy(vmw_crtc_to_ldu(crtc));
@@ -114,10 +94,8 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
                        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;
+               return vmw_kms_write_svga(dev_priv, w, h, fb->pitch,
+                                         fb->bits_per_pixel, fb->depth);
        }
 
        if (!list_empty(&lds->active)) {
@@ -265,9 +243,7 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
 
                vmw_ldu_del_active(dev_priv, ldu);
 
-               vmw_ldu_commit_list(dev_priv);
-
-               return 0;
+               return vmw_ldu_commit_list(dev_priv);
        }
 
 
@@ -292,21 +268,20 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
 
        vmw_ldu_add_active(dev_priv, ldu, vfb);
 
-       vmw_ldu_commit_list(dev_priv);
-
-       return 0;
+       return vmw_ldu_commit_list(dev_priv);
 }
 
 static struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
-       .save = vmw_ldu_crtc_save,
-       .restore = vmw_ldu_crtc_restore,
+       .save = vmw_du_crtc_save,
+       .restore = vmw_du_crtc_restore,
        .cursor_set = vmw_du_crtc_cursor_set,
        .cursor_move = vmw_du_crtc_cursor_move,
-       .gamma_set = vmw_ldu_crtc_gamma_set,
+       .gamma_set = vmw_du_crtc_gamma_set,
        .destroy = vmw_ldu_crtc_destroy,
        .set_config = vmw_ldu_crtc_set_config,
 };
 
+
 /*
  * Legacy Display Unit encoder functions
  */
@@ -324,183 +299,18 @@ static struct drm_encoder_funcs vmw_legacy_encoder_funcs = {
  * Legacy Display Unit connector functions
  */
 
-static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode)
-{
-}
-
-static void vmw_ldu_connector_save(struct drm_connector *connector)
-{
-}
-
-static void vmw_ldu_connector_restore(struct drm_connector *connector)
-{
-}
-
-static enum drm_connector_status
-       vmw_ldu_connector_detect(struct drm_connector *connector,
-                                bool force)
-{
-       if (vmw_connector_to_ldu(connector)->pref_active)
-               return connector_status_connected;
-       return connector_status_disconnected;
-}
-
-static const struct drm_display_mode vmw_ldu_connector_builtin[] = {
-       /* 640x480@60Hz */
-       { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
-                  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, 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,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
-       /* 1152x864@75Hz */
-       { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
-                  1344, 1600, 0, 864, 865, 868, 900, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1280x768@60Hz */
-       { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
-                  1472, 1664, 0, 768, 771, 778, 798, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1280x800@60Hz */
-       { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
-                  1480, 1680, 0, 800, 803, 809, 831, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-       /* 1280x960@60Hz */
-       { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
-                  1488, 1800, 0, 960, 961, 964, 1000, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1280x1024@60Hz */
-       { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
-                  1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1360x768@60Hz */
-       { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
-                  1536, 1792, 0, 768, 771, 777, 795, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1440x1050@60Hz */
-       { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
-                  1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1440x900@60Hz */
-       { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
-                  1672, 1904, 0, 900, 903, 909, 934, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1600x1200@60Hz */
-       { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
-                  1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
-                  DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1680x1050@60Hz */
-       { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
-                  1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1792x1344@60Hz */
-       { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
-                  2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1853x1392@60Hz */
-       { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
-                  2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1920x1200@60Hz */
-       { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
-                  2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 1920x1440@60Hz */
-       { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
-                  2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* 2560x1600@60Hz */
-       { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
-                  3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
-                  DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-       /* Terminate */
-       { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
-};
-
-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 vmw_private *dev_priv = vmw_priv(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);
-               if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
-                                              mode->vdisplay)) {
-                       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++) {
-               const struct drm_display_mode *bmode;
-
-               bmode = &vmw_ldu_connector_builtin[i];
-               if (bmode->hdisplay > max_width ||
-                   bmode->vdisplay > max_height)
-                       continue;
-
-               if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
-                                               bmode->vdisplay))
-                       continue;
-
-               mode = drm_mode_duplicate(dev, bmode);
-               if (!mode)
-                       return 0;
-               mode->vrefresh = drm_mode_vrefresh(mode);
-
-               drm_mode_probed_add(connector, mode);
-       }
-
-       drm_mode_connector_list_update(connector);
-
-       return 1;
-}
-
-static int vmw_ldu_connector_set_property(struct drm_connector *connector,
-                                         struct drm_property *property,
-                                         uint64_t val)
-{
-       return 0;
-}
-
 static void vmw_ldu_connector_destroy(struct drm_connector *connector)
 {
        vmw_ldu_destroy(vmw_connector_to_ldu(connector));
 }
 
 static struct drm_connector_funcs vmw_legacy_connector_funcs = {
-       .dpms = vmw_ldu_connector_dpms,
-       .save = vmw_ldu_connector_save,
-       .restore = vmw_ldu_connector_restore,
-       .detect = vmw_ldu_connector_detect,
-       .fill_modes = vmw_ldu_connector_fill_modes,
-       .set_property = vmw_ldu_connector_set_property,
+       .dpms = vmw_du_connector_dpms,
+       .save = vmw_du_connector_save,
+       .restore = vmw_du_connector_restore,
+       .detect = vmw_du_connector_detect,
+       .fill_modes = vmw_du_connector_fill_modes,
+       .set_property = vmw_du_connector_set_property,
        .destroy = vmw_ldu_connector_destroy,
 };
 
@@ -523,14 +333,14 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 
        INIT_LIST_HEAD(&ldu->active);
 
-       ldu->pref_active = (unit == 0);
-       ldu->pref_width = 800;
-       ldu->pref_height = 600;
-       ldu->pref_mode = NULL;
+       ldu->base.pref_active = (unit == 0);
+       ldu->base.pref_width = 800;
+       ldu->base.pref_height = 600;
+       ldu->base.pref_mode = NULL;
 
        drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
                           DRM_MODE_CONNECTOR_LVDS);
-       connector->status = vmw_ldu_connector_detect(connector, true);
+       connector->status = vmw_du_connector_detect(connector, true);
 
        drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
                         DRM_MODE_ENCODER_LVDS);
@@ -540,6 +350,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 
        drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);
 
+       drm_mode_crtc_set_gamma_size(crtc, 256);
+
        drm_connector_attach_property(connector,
                                      dev->mode_config.dirty_info_property,
                                      1);
@@ -550,8 +362,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
 {
        struct drm_device *dev = dev_priv->dev;
-       int i;
-       int ret;
+       int i, ret;
 
        if (dev_priv->ldu_priv) {
                DRM_INFO("ldu system already on\n");
@@ -559,7 +370,6 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
        }
 
        dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
-
        if (!dev_priv->ldu_priv)
                return -ENOMEM;
 
@@ -568,18 +378,31 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
        dev_priv->ldu_priv->last_num_active = 0;
        dev_priv->ldu_priv->fb = NULL;
 
-       drm_mode_create_dirty_info_property(dev_priv->dev);
+       /* for old hardware without multimon only enable one display */
+       if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
+               ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
+       else
+               ret = drm_vblank_init(dev, 1);
+       if (ret != 0)
+               goto err_free;
+
+       ret = drm_mode_create_dirty_info_property(dev);
+       if (ret != 0)
+               goto err_vblank_cleanup;
 
-       if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
-               for (i = 0; i < VMWGFX_LDU_NUM_DU; ++i)
+       if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
+               for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i)
                        vmw_ldu_init(dev_priv, i);
-               ret = drm_vblank_init(dev, VMWGFX_LDU_NUM_DU);
-       } else {
-               /* for old hardware without multimon only enable one display */
+       else
                vmw_ldu_init(dev_priv, 0);
-               ret = drm_vblank_init(dev, 1);
-       }
 
+       return 0;
+
+err_vblank_cleanup:
+       drm_vblank_cleanup(dev);
+err_free:
+       kfree(dev_priv->ldu_priv);
+       dev_priv->ldu_priv = NULL;
        return ret;
 }
 
@@ -587,52 +410,14 @@ int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
 {
        struct drm_device *dev = dev_priv->dev;
 
-       drm_vblank_cleanup(dev);
        if (!dev_priv->ldu_priv)
                return -ENOSYS;
 
+       drm_vblank_cleanup(dev);
+
        BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
 
        kfree(dev_priv->ldu_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, true);
-       }
-
-       mutex_unlock(&dev->mode_config.mutex);
-
-       return 0;
-}