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authorAlex Deucher <alexander.deucher@amd.com>2013-02-14 10:04:02 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-02-20 08:51:20 -0500
commit454d2e2a32f02a4f8e0364ba0e8ce4f8dbe9810c (patch)
treec9727360424260a40aba4b037bbca4457efe4c1d /drivers/gpu/drm/radeon/sid.h
parent0e34d0945ed16aeb72c863be4efe4cd0c62f9c53 (diff)
downloadlinux-454d2e2a32f02a4f8e0364ba0e8ce4f8dbe9810c.tar.gz
drm/radeon: add a asic callback to get the xclk
This is required to get the reference clock used
by the gfx engine for things like timestamps. Fixes
support for GL extensions the use timestamps on
certain boards.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/sid.h')
-rw-r--r--drivers/gpu/drm/radeon/sid.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 07fc455e35ae..23fc08fc8e7f 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -58,6 +58,11 @@
 #define VGA_HDP_CONTROL  				0x328
 #define		VGA_MEMORY_DISABLE				(1 << 4)
 
+#define CG_CLKPIN_CNTL                                    0x660
+#       define XTALIN_DIVIDE                              (1 << 1)
+#define CG_CLKPIN_CNTL_2                                  0x664
+#       define MUX_TCLK_TO_XCLK                           (1 << 8)
+
 #define DMIF_ADDR_CONFIG  				0xBD4
 
 #define	SRBM_STATUS				        0xE50