On 03/02/2018 10:10 AM, Rodrigo Vivi wrote:
On Thu, Mar 01, 2018 at 11:36:12AM -0800, clinton.a.taylor@xxxxxxxxx wrote:
From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
DisplayPort Phy compliance test patterns register definitions.
Hi Clint,
what's the current plan to add the actual use of these registers and bits?
Supporting DP phy compliance has been mentioned by an interested
third-party. They needed the register definitions to be made available
to start development.
Clint
thanks,
Rodrigo.
Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 95a2e51..91152c9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8702,6 +8702,24 @@ enum skl_power_gate {
#define DDI_BUF_BALANCE_LEG_ENABLE (1 << 31)
#define DDI_BUF_TRANS_HI(port, i) _MMIO(_PORT(port, _DDI_BUF_TRANS_A, _DDI_BUF_TRANS_B) + (i) * 8 + 4)
+/* DDI DP Compliance Control */
+#define DDI_DP_COMP_CTL_A 0x640F0
+#define DDI_DP_COMP_CTL_B 0x641F0
+#define DDI_DP_COMP_CTL(port) _MMIO_PORT(port, DDI_DP_COMP_CTL_A, DDI_DP_COMP_CTL_B)
+#define DDI_DP_COMP_CTL_ENABLE (1 << 31)
+#define DDI_DP_COMP_CTL_D10_2 (0 << 28)
+#define DDI_DP_COMP_CTL_SCRAMBLED_0 (1 << 28)
+#define DDI_DP_COMP_CTL_PRBS7 (2 << 28)
+#define DDI_DP_COMP_CTL_CUSTOM80 (3 << 28)
+#define DDI_DP_COMP_CTL_HBR2 (4 << 28)
+#define DDI_DP_COMP_CTL_SCRAMBLED_1 (5 << 28)
+#define DDI_DP_COMP_CTL_HBR2_RESET (0xFC << 0)
+
+/* DDI DP Compliance Pattern */
+#define DDI_DP_COMP_PAT_A 0x640f4
+#define DDI_DP_COMP_PAT_B 0x641f4
+#define DDI_DP_COMP_PAT(port, i) _MMIO(_PORT(port, DDI_DP_COMP_PAT_A, DDI_DP_COMP_PAT_B) + (i) * 4) /* 3 dwords */
+
/* Sideband Interface (SBI) is programmed indirectly, via
* SBI_ADDR, which contains the register offset; and SBI_DATA,
* which contains the payload */
--
1.9.1
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