drm/vmwgfx: limit mode size for all display unit to texture_max

For all display units, limit mode size exposed to texture_max_width/
height as this is the maximum framebuffer size that virtual device can
create.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 12a41b039167..6a712a8d59e9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2214,12 +2214,16 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
         if (dev_priv->assume_16bpp)
                 assumed_bpp = 2;
 
+        max_width  = min(max_width,  dev_priv->texture_max_width);
+        max_height = min(max_height, dev_priv->texture_max_height);
+
+        /*
+         * For STDU extra limit for a mode on SVGA_REG_SCREENTARGET_MAX_WIDTH/
+         * HEIGHT registers.
+         */
         if (dev_priv->active_display_unit == vmw_du_screen_target) {
                 max_width  = min(max_width,  dev_priv->stdu_max_width);
-                max_width  = min(max_width,  dev_priv->texture_max_width);
-
                 max_height = min(max_height, dev_priv->stdu_max_height);
-                max_height = min(max_height, dev_priv->texture_max_height);
         }
 
         /* Add preferred mode */