From: Imre Deak Date: Tue, 16 Jun 2020 14:18:54 +0000 (+0300) Subject: drm/i915/dp_mst: Clear the ACT sent flag during encoder disabling too X-Git-Tag: v5.10.7~1861^2~24^2~30 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90d4f99ac56b4aadf4e87871a4e9128474da259b;p=platform%2Fkernel%2Flinux-rpi.git drm/i915/dp_mst: Clear the ACT sent flag during encoder disabling too During encoder enabling we clear the flag before starting the ACT sequence and wait for the flag, but the clearing is missing during encoder disabling, add it there too. Since nothing cleared the flag automatically we could've run subsequent disabling steps too early. Cc: Ville Syrjälä Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200616141855.746-5-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 2ee538d99ba7..e1bc14139f46 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -390,6 +390,8 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, drm_dp_update_payload_part2(&intel_dp->mst_mgr); + clear_act_sent(intel_dp); + val = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder)); val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC;