sugar/linux
1
0
Fork 0
Code Activity

drm/dp: Add definitions for POST_LT_ADJ training sequence

Browse Source 
Add the bit definitions needed for POST_LT_ADJ sequence.

v2: DP_POST_LT_ADJ_REQ_IN_PROGRESS is bit 1 not 5 (Jani)

Tested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250718120154.15492-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2025-07-18 15:01:51 +03:00
parent 048deed5fa
commit 2b8e4b94c1
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/drm/display/drm_dp.h
View File

@@ -115,6 +115,7 @@
#define DP_MAX_LANE_COUNT 0x002
# define DP_MAX_LANE_COUNT_MASK 0x1f
# define DP_POST_LT_ADJ_REQ_SUPPORTED (1 << 5) /* 1.3 */
# define DP_TPS3_SUPPORTED (1 << 6) /* 1.2 */
# define DP_ENHANCED_FRAME_CAP (1 << 7)
@@ -583,6 +584,7 @@
#define DP_LANE_COUNT_SET 0x101
# define DP_LANE_COUNT_MASK 0x0f
# define DP_POST_LT_ADJ_REQ_GRANTED (1 << 5) /* 1.3 */
# define DP_LANE_COUNT_ENHANCED_FRAME_EN (1 << 7)
#define DP_TRAINING_PATTERN_SET 0x102
@@ -800,6 +802,7 @@
#define DP_LANE_ALIGN_STATUS_UPDATED 0x204
#define DP_INTERLANE_ALIGN_DONE (1 << 0)
#define DP_POST_LT_ADJ_REQ_IN_PROGRESS (1 << 1) /* 1.3 */
#define DP_128B132B_DPRX_EQ_INTERLANE_ALIGN_DONE (1 << 2) /* 2.0 E11 */
#define DP_128B132B_DPRX_CDS_INTERLANE_ALIGN_DONE (1 << 3) /* 2.0 E11 */
#define DP_128B132B_LT_FAILED (1 << 4) /* 2.0 E11 */