diff --git a/src/radeon.h b/src/radeon.h
index 7fd297e..ec14ae5 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -382,6 +382,12 @@ typedef enum {
 	(info->ChipFamily == CHIP_FAMILY_RV560)  ||  \
 	(info->ChipFamily == CHIP_FAMILY_RV570))
 
+#define IS_R400_3D ((info->ChipFamily == CHIP_FAMILY_R420)  ||  \
+	(info->ChipFamily == CHIP_FAMILY_RV410) ||  \
+	(info->ChipFamily == CHIP_FAMILY_RS690) ||  \
+	(info->ChipFamily == CHIP_FAMILY_RS600) ||  \
+	(info->ChipFamily == CHIP_FAMILY_RS740))
+
 #define IS_R300_3D ((info->ChipFamily == CHIP_FAMILY_R300)  ||  \
 	(info->ChipFamily == CHIP_FAMILY_RV350) ||  \
 	(info->ChipFamily == CHIP_FAMILY_R350)  ||  \
diff --git a/src/radeon_exa_render.c b/src/radeon_exa_render.c
index b745705..c144890 100644
--- a/src/radeon_exa_render.c
+++ b/src/radeon_exa_render.c
@@ -1348,8 +1348,13 @@ static Bool R300CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
     } else {
 	max_tex_w = 2048;
 	max_tex_h = 2048;
-	max_dst_w = 4021;
-	max_dst_h = 4021;
+	if (IS_R400_3D) {
+	    max_dst_w = 4021;
+	    max_dst_h = 4021;
+	} else {
+	    max_dst_w = 2560;
+	    max_dst_h = 2560;
+	}
     }
 
     if (pSrcPixmap->drawable.width > max_tex_w ||
diff --git a/src/radeon_textured_videofuncs.c b/src/radeon_textured_videofuncs.c
index c7d9b02..7f116a5 100644
--- a/src/radeon_textured_videofuncs.c
+++ b/src/radeon_textured_videofuncs.c
@@ -382,7 +382,7 @@ FUNC_NAME(RADEONDisplayTexturedVideo)(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv
      *     We render a single, large triangle and use the scissor
      *     functionality to restrict it to the desired rectangle.
      *     Due to guardband limits on r3xx/r4xx, we can only use
-     *     the single triangle up to 4021 pixels; above that we
+     *     the single triangle up to 2560/4021 pixels; above that we
      *     render as a quad.
      */
 
@@ -945,7 +945,7 @@ FUNC_NAME(R200DisplayTexturedVideo)(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
      *     We render a single, large triangle and use the scissor
      *     functionality to restrict it to the desired rectangle.
      *     Due to guardband limits on r3xx/r4xx, we can only use
-     *     the single triangle up to 4021 pixels; above that we
+     *     the single triangle up to 2560/4021 pixels; above that we
      *     render as a quad.
      */
 
@@ -2321,7 +2321,7 @@ FUNC_NAME(R300DisplayTexturedVideo)(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
      *     We render a single, large triangle and use the scissor
      *     functionality to restrict it to the desired rectangle.
      *     Due to guardband limits on r3xx/r4xx, we can only use
-     *     the single triangle up to 4021 pixels; above that we
+     *     the single triangle up to 2560/4021 pixels; above that we
      *     render as a quad.
      */
 
@@ -2349,8 +2349,13 @@ FUNC_NAME(R300DisplayTexturedVideo)(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
 	ErrorF("src: %d, %d, %d, %d\n", srcX, srcY, srcw, srch);
 #endif
 
-	if ((dstw+dsth) > 4021)
-	    use_quad = TRUE;
+	if (IS_R400_3D) {
+	    if ((dstw+dsth) > 4021)
+		use_quad = TRUE;
+	} else {
+	    if ((dstw+dsth) > 2560)
+		use_quad = TRUE;
+	}
 	/*
 	 * Set up the scissor area to that of the output size.
 	 */