[PATCH v2] drm/dp: Add Additional DP2 Headers
Fangzhi Zuo
Jerry.Zuo at amd.com
Mon Sep 27 15:39:41 UTC 2021
Include FEC, DSC, Link Training related headers.
Signed-off-by: Fangzhi Zuo <Jerry.Zuo at amd.com>
---
This patch is based on top of the other DP2.0 work in
"drm/dp: add LTTPR DP 2.0 DPCD addresses"
---
include/drm/drm_dp_helper.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 1d5b3dbb6e56..f1fd9889f190 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -453,6 +453,7 @@ struct drm_panel;
# define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP (1 << 1)
# define DP_FEC_CORR_BLK_ERROR_COUNT_CAP (1 << 2)
# define DP_FEC_BIT_ERROR_COUNT_CAP (1 << 3)
+#define DP_FEC_CAPABILITY_1 0x091 /* 2.0 */
/* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
#define DP_PCON_DSC_ENCODER_CAP_SIZE 0xC /* 0x9E - 0x92 */
@@ -537,6 +538,9 @@ struct drm_panel;
#define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1
#define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2
+/* DFP Capability Extension */
+#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */
+
/* Link Configuration */
#define DP_LINK_BW_SET 0x100
# define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */
@@ -688,6 +692,7 @@ struct drm_panel;
#define DP_DSC_ENABLE 0x160 /* DP 1.4 */
# define DP_DECOMPRESSION_EN (1 << 0)
+#define DP_DSC_CONFIGURATION 0x161 /* DP 2.0 */
#define DP_PSR_EN_CFG 0x170 /* XXX 1.2? */
# define DP_PSR_ENABLE BIT(0)
@@ -743,6 +748,7 @@ struct drm_panel;
# define DP_RECEIVE_PORT_0_STATUS (1 << 0)
# define DP_RECEIVE_PORT_1_STATUS (1 << 1)
# define DP_STREAM_REGENERATION_STATUS (1 << 2) /* 2.0 */
+# define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3) /* 2.0 */
#define DP_ADJUST_REQUEST_LANE0_1 0x206
#define DP_ADJUST_REQUEST_LANE2_3 0x207
@@ -865,6 +871,8 @@ struct drm_panel;
# define DP_PHY_TEST_PATTERN_80BIT_CUSTOM 0x4
# define DP_PHY_TEST_PATTERN_CP2520 0x5
+#define DP_PHY_SQUARE_PATTERN 0x249
+
#define DP_TEST_HBR2_SCRAMBLER_RESET 0x24A
#define DP_TEST_80BIT_CUSTOM_PATTERN_7_0 0x250
#define DP_TEST_80BIT_CUSTOM_PATTERN_15_8 0x251
@@ -1109,6 +1117,18 @@ struct drm_panel;
#define DP_128B132B_TRAINING_AUX_RD_INTERVAL 0x2216 /* 2.0 */
# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
+#define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0x2230
+#define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 0x2250
+
+/* DSC Extended Capability Branch Total DSC Resources */
+#define DP_DSC_SUPPORT_AND_DECODER_COUNT 0x2260 /* 2.0 */
+# define DP_DSC_DECODER_COUNT_MASK (0b111 << 5)
+# define DP_DSC_DECODER_COUNT_SHIFT 5
+#define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 0x2270 /* 2.0 */
+# define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << 0)
+# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK (0b111 << 1)
+# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1
+
/* Protocol Converter Extension */
/* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
#define DP_CEC_TUNNELING_CAPABILITY 0x3000
--
2.25.1
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