---
src/i810_reg.h | 42 ++++++++++++++++++++++++++++++++++++++++++
src/i830_debug.c | 8 ++++++++
2 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/src/i810_reg.h b/src/i810_reg.h
index 8d4e641..cb33784 100644
--- a/src/i810_reg.h
+++ b/src/i810_reg.h
@@ -2214,6 +2214,43 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define PIPE_PIXEL_MASK 0x00ffffff
#define PIPE_PIXEL_SHIFT 0
+/*
+ * Computing GMCH M and N values.
+ *
+ * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
+ *
+ * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
+ *
+ * The GMCH value is used internally
+ */
+#define PIPEA_GMCH_DATA_M 0x70050
+
+/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
+#define PIPE_GMCH_DATA_M_TU_SIZE_MASK (0x3f << 25)
+#define PIPE_GMCH_DATA_M_TU_SIZE_SHIFT 25
+
+#define PIPE_GMCH_DATA_M_MASK (0xffffff)
+
+#define PIPEA_GMCH_DATA_N 0x70054
+#define PIPE_GMCH_DATA_N_MASK (0xffffff)
+
+/*
+ * Computing Link M and N values.
+ *
+ * Link M / N = pixel_clock / ls_clk
+ *
+ * (the DP spec calls pixel_clock the 'strm_clk')
+ *
+ * The Link value is transmitted in the Main Stream
+ * Attributes and VB-ID.
+ */
+
+#define PIPEA_DP_LINK_M 0x70060
+#define PIPEA_DP_LINK_M_MASK (0xffffff)
+
+#define PIPEA_DP_LINK_N 0x70064
+#define PIPEA_DP_LINK_N_MASK (0xffffff)
+
#define PIPEB_DSL 0x71000
#define PIPEBCONF 0x71008
@@ -2231,6 +2268,11 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define PIPEBFRAMEHIGH 0x71040
#define PIPEBFRAMEPIXEL 0x71044
+#define PIPEB_GMCH_DATA_M 0x71050
+#define PIPEB_GMCH_DATA_N 0x71054
+#define PIPEB_DP_LINK_M 0x71060
+#define PIPEB_DP_LINK_N 0x71064
+
#define DSPACNTR 0x70180
#define DSPBCNTR 0x71180
#define DISPLAY_PLANE_ENABLE (1<<31)
diff --git a/src/i830_debug.c b/src/i830_debug.c
index 86f5f21..5a8c3eb 100644
--- a/src/i830_debug.c
+++ b/src/i830_debug.c
@@ -652,6 +652,10 @@ static struct i830SnapshotRec {
DEFINEREG2(PIPEACONF, i830_debug_pipeconf),
DEFINEREG2(PIPEASRC, i830_debug_yxminus1),
DEFINEREG2(PIPEASTAT, i830_debug_pipestat),
+ DEFINEREG(PIPEA_GMCH_DATA_M),
+ DEFINEREG(PIPEA_GMCH_DATA_N),
+ DEFINEREG(PIPEA_DP_LINK_M),
+ DEFINEREG(PIPEA_DP_LINK_N),
DEFINEREG2(FPA0, i830_debug_fp),
DEFINEREG2(FPA1, i830_debug_fp),
@@ -676,6 +680,10 @@ static struct i830SnapshotRec {
DEFINEREG2(PIPEBCONF, i830_debug_pipeconf),
DEFINEREG2(PIPEBSRC, i830_debug_yxminus1),
DEFINEREG2(PIPEBSTAT, i830_debug_pipestat),
+ DEFINEREG(PIPEB_GMCH_DATA_M),
+ DEFINEREG(PIPEB_GMCH_DATA_N),
+ DEFINEREG(PIPEB_DP_LINK_M),
+ DEFINEREG(PIPEB_DP_LINK_N),
DEFINEREG2(FPB0, i830_debug_fp),
DEFINEREG2(FPB1, i830_debug_fp),
--
1.6.2.4
------------------------------------------------------------------------------
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--
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