2 files changed, 18 insertions, 4 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 7197af157313..25f3c250fd98 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -688,7 +688,11 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                 goto out_err0;
         }
 
-        if (unlikely(dev_priv->prim_bb_mem < dev_priv->vram_size))
+        /*
+         * Limit back buffer size to VRAM size.  Remove this once
+         * screen targets are implemented.
+         */
+        if (dev_priv->prim_bb_mem > dev_priv->vram_size)
                 dev_priv->prim_bb_mem = dev_priv->vram_size;
 
         mutex_unlock(&dev_priv->hw_mutex);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8fc1e38bbe44..941a7bc0b791 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1950,6 +1950,14 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
                 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
         };
         int i;
+        u32 assumed_bpp = 2;
+
+        /*
+         * If using screen objects, then assume 32-bpp because that's what the
+         * SVGA device is assuming
+         */
+        if (dev_priv->sou_priv)
+                assumed_bpp = 4;
 
         /* Add preferred mode */
         {
@@ -1960,8 +1968,9 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
                 mode->vdisplay = du->pref_height;
                 vmw_guess_mode_timing(mode);
 
-                if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
-                                               mode->vdisplay)) {
+                if (vmw_kms_validate_mode_vram(dev_priv,
+                                                mode->hdisplay * assumed_bpp,
+                                                mode->vdisplay)) {
                         drm_mode_probed_add(connector, mode);
                 } else {
                         drm_mode_destroy(dev, mode);
@@ -1983,7 +1992,8 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
                     bmode->vdisplay > max_height)
                         continue;
 
-                if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
+                if (!vmw_kms_validate_mode_vram(dev_priv,
+                                                bmode->hdisplay * assumed_bpp,
                                                 bmode->vdisplay))
                         continue;