drm/radeon/kms: fix vram_width calculation on r6xx/r7xx
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index 4b9c3d6..a1367ab 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -129,6 +129,10 @@
#define HDP_REG_COHERENCY_FLUSH_CNTL 0x54A0
#define HDP_TILING_CONFIG 0x2F3C
+#define MC_SHARED_CHMAP 0x2004
+#define NOOFCHAN_SHIFT 12
+#define NOOFCHAN_MASK 0x00003000
+
#define MC_ARB_RAMCFG 0x2760
#define NOOFBANK_SHIFT 0
#define NOOFBANK_MASK 0x00000003
@@ -142,6 +146,7 @@
#define CHANSIZE_MASK 0x00000100
#define BURSTLENGTH_SHIFT 9
#define BURSTLENGTH_MASK 0x00000200
+#define CHANSIZE_OVERRIDE (1 << 11)
#define MC_VM_AGP_TOP 0x2028
#define MC_VM_AGP_BOT 0x202C
#define MC_VM_AGP_BASE 0x2030