drm/radeon: add support for RS740 IGP chipsets.

This adds support for the HS2100 IGP chipset.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index d7e9c6cc6a1a..9d752bc0602b 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -125,6 +125,7 @@ enum radeon_family {
         CHIP_RV410,
         CHIP_RS480,
         CHIP_RS690,
+        CHIP_RS740,
         CHIP_RV515,
         CHIP_R520,
         CHIP_RV530,
@@ -1207,7 +1208,8 @@ do {								\
 
 #define IGP_WRITE_MCIND(addr, val)                              \
 do {                                                                    \
-        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)       \
+        if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||   \
+            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))      \
                 RS690_WRITE_MCIND(addr, val);                           \
         else                                                            \
                 RS480_WRITE_MCIND(addr, val);                           \