Displaying 4 results from an estimated 4 matches for "intel_dp_set_lttpr_transparent_mod".
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intel_dp_set_lttpr_transparent_mode
2025 Jan 03
1
[PATCH v3 3/4] drm/i915/dp: Use the generic helper to control LTTPR transparent mode
...u/drm/i915/display/intel_dp_link_training.c
> index 8b1977cfec503c70f07af716ee2c00e7605c6adf..c5bad311edf7b9a5cebb633b9e9692bae397f9ed 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
> @@ -119,9 +119,6 @@ intel_dp_set_lttpr_transparent_mode(struct intel_dp *intel_dp, bool enable)
> u8 val = enable ? DP_PHY_REPEATER_MODE_TRANSPARENT :
> DP_PHY_REPEATER_MODE_NON_TRANSPARENT;
>
> - if (drm_dp_dpcd_write(&intel_dp->aux, DP_PHY_REPEATER_MODE, &val, 1) != 1)
> - return false;
> -
> intel_dp->...
2025 Jan 03
1
[PATCH v3 3/4] drm/i915/dp: Use the generic helper to control LTTPR transparent mode
...ining.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index 8b1977cfec503c70f07af716ee2c00e7605c6adf..c5bad311edf7b9a5cebb633b9e9692bae397f9ed 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -119,9 +119,6 @@ intel_dp_set_lttpr_transparent_mode(struct intel_dp *intel_dp, bool enable)
u8 val = enable ? DP_PHY_REPEATER_MODE_TRANSPARENT :
DP_PHY_REPEATER_MODE_NON_TRANSPARENT;
- if (drm_dp_dpcd_write(&intel_dp->aux, DP_PHY_REPEATER_MODE, &val, 1) != 1)
- return false;
-
intel_dp->lttpr_common_caps[DP_PHY_REPEATER_M...
2024 Dec 11
4
[PATCH v2 0/4] drm/dp: Rework LTTPR transparent mode handling and add support to msm driver
Looking at both i915 and nouveau DP drivers, both are setting the first
LTTPR (if found) in transparent mode first and then in non-transparent
mode, just like the DP v2.0 specification mentions in section 3.6.6.1.
Being part of the standard, setting the LTTPR in a specific operation mode
can be easily moved in the generic framework. So do that by adding a new
helper.
Then, the msm DP driver is
2025 Jan 03
4
[PATCH v3 0/4] drm/dp: Rework LTTPR transparent mode handling and add support to msm driver
Looking at both i915 and nouveau DP drivers, both are setting the first
LTTPR (if found) in transparent mode first and then in non-transparent
mode, just like the DP v2.0 specification mentions in section 3.6.6.1.
Being part of the standard, setting the LTTPR in a specific operation mode
can be easily moved in the generic framework. So do that by adding a new
helper.
Then, the msm DP driver is