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drm/i915/mst: Clear ACT just before triggering payload allocation

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Follow the bspec sequence more closely and clear ACT sent just
before triggering the allocation. Can't see why we'd want to
deviate from the spec sequence here.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231018154123.5479-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2023-10-18 18:41:22 +03:00
parent d068fa5373
commit 817cb16e14
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_dp_mst.c
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@ -791,8 +791,6 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
drm_WARN_ON(&dev_priv->drm, pipe_config->has_pch_encoder);
clear_act_sent(encoder, pipe_config);
if (intel_dp_is_uhbr(pipe_config)) {
const struct drm_display_mode *adjusted_mode =
&pipe_config->hw.adjusted_mode;
@ -806,6 +804,8 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
intel_ddi_enable_transcoder_func(encoder, pipe_config);
clear_act_sent(encoder, pipe_config);
intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(trans), 0,
TRANS_DDI_DP_VC_PAYLOAD_ALLOC);