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drm/i915/mst: Always write CHICKEN_TRANS

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Since we're asked to disable FECSTALL_DIS_DPTSTREAM_DPTTG when
the transcoder is disabled it seems prudent to also clear it
when enabliing the transcoder w/o FEC, just in case
someone else left it enabled by mistake.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231018154123.5479-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2023-10-18 18:41:23 +03:00
parent 817cb16e14
commit 08a573006d
1 changed files with 8 additions and 6 deletions
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14
drivers/gpu/drm/i915/display/intel_dp_mst.c
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@ -817,12 +817,14 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
drm_dp_add_payload_part2(&intel_dp->mst_mgr, &state->base,
drm_atomic_get_mst_payload_state(mst_state, connector->port));
if (DISPLAY_VER(dev_priv) >= 14 && pipe_config->fec_enable)
intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(trans), 0,
FECSTALL_DIS_DPTSTREAM_DPTTG);
else if (DISPLAY_VER(dev_priv) >= 12 && pipe_config->fec_enable)
intel_de_rmw(dev_priv, CHICKEN_TRANS(trans), 0,
FECSTALL_DIS_DPTSTREAM_DPTTG);
if (DISPLAY_VER(dev_priv) >= 14)
intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(trans),
FECSTALL_DIS_DPTSTREAM_DPTTG,
pipe_config->fec_enable ? FECSTALL_DIS_DPTSTREAM_DPTTG : 0);
else if (DISPLAY_VER(dev_priv) >= 12)
intel_de_rmw(dev_priv, CHICKEN_TRANS(trans),
FECSTALL_DIS_DPTSTREAM_DPTTG,
pipe_config->fec_enable ? FECSTALL_DIS_DPTSTREAM_DPTTG : 0);
intel_audio_sdp_split_update(pipe_config);