diff options
| author | Imre Deak <imre.deak@intel.com> | 2024-07-08 22:00:28 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-07-11 20:56:26 +0300 |
| commit | 0daf44ea9dccfcdb1fe694e9ea85497b6cc3a065 (patch) | |
| tree | c8e45d18c94f6e93895ea776ba6f9b8f0f1f4cdf /include | |
| parent | 993d36ac99efeafeb7b5f12353def6d7d20d6389 (diff) | |
drm/dp: Add helper to dump an LTTPR PHY descriptor
Add a helper to dump the DPCD descriptor for an LTTPR PHY. This is based
on [1] and [2] moving the helper to DRM core as suggested by Ville.
[1] https://lore.kernel.org/all/20240703155937.1674856-5-imre.deak@intel.com
[2] https://lore.kernel.org/all/20240703155937.1674856-6-imre.deak@intel.com
Cc: dri-devel@lists.freedesktop.org
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240708190029.271247-6-imre.deak@intel.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/display/drm_dp.h | 4 | ||||
| -rw-r--r-- | include/drm/display/drm_dp_helper.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 0b032faa8cf2..0146ccfe9c2e 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -1523,6 +1523,10 @@ enum drm_dp_phy { #define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */ #define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */ +#define DP_OUI_PHY_REPEATER1 0xf003d /* 1.3 */ +#define DP_OUI_PHY_REPEATER(dp_phy) \ + DP_LTTPR_REG(dp_phy, DP_OUI_PHY_REPEATER1) + #define __DP_FEC1_BASE 0xf0290 /* 1.4 */ #define __DP_FEC2_BASE 0xf0298 /* 1.4 */ #define DP_FEC_BASE(dp_phy) \ diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 8defcc399f42..f88d78e43443 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -656,6 +656,8 @@ struct drm_dp_desc { int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc, bool is_branch); +int drm_dp_dump_lttpr_desc(struct drm_dp_aux *aux, enum drm_dp_phy dp_phy); + /** * enum drm_dp_quirk - Display Port sink/branch device specific quirks * |