Merge tag 'drm-intel-next-2021-08-10-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

drm/i915 changes for v5.15:

Features:
- Basic DG2 platform enabling (Matt, Animesh, Gwan-gyeong, José)
- Add PSF GV point support for display bandwidth calculation (Stan)
- Add platform release id version support (Lucas)
- Add support for forcing DSC BPP for testing (Vandita, Patnana)

Refactoring and cleanups:
- Remove CNL support completely (Lucas)
- Revid/stepping cleanup (Matt, Anusha)
- Make display stepping check upper bounds exclusive (Matt)
- Remove old GEN macros (Lucas)
- Refactor DG1 interrupt handler (Paulo)
- Refactor DMC stepping info (Anusha)

Fixes:
- Fix XELPD color capability reporting; it's not yet enabled (Uma)
- Fix DG1 memory bandwidth computation (Clint)
- Fix mux on certain HP laptops (Kai-Heng)
- Various display workarounds (José, Matt, Imre)
- Fix error state dumps wrt SFC_DONE (Matt)
- Fix DG1 and XEPLD audio power domains (Anshuman)
- Fix ADL-P and ADL-S ddi buf translation tables (Matt)
- Fix DP/HDMI modeset sequences causing issues on ADL-P (José)
- PSR2 fixes (José)
- Fix DP MST modeset with FEC on TGL+
- Fix MBUS DBOX A credits on ADL-P (José)
- Fix DP PHY test training set programming (Khaled)
- Fix dgfx pcode uncore init done wait (Badal)
- Fix DSC disable fuse check on GLK (Lucas)
- Fix shared dpll mismatch for bigjoiner secondary pipe (Manasi)
- Fix ADL-P underrun recovery (Matt)
- Fix permissions on FEC support debugfs file (Vandita)

Misc:
- Backmerge drm-next (Rodrigo)
- Bump RKL and TGL DMC firmware version (Anusha)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# Conflicts:
#	drivers/gpu/drm/i915/i915_drv.h
#	drivers/gpu/drm/i915/intel_device_info.h
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87a6lpo1a9.fsf@intel.com

1 files changed, 18 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 3661cd19ce48..8d13d7b26a25 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -348,6 +348,16 @@ static void wait_for_act_sent(struct intel_encoder *encoder,
 	drm_dp_check_act_status(&intel_dp->mst_mgr);
 }
 
+static void intel_mst_pre_disable_dp(struct intel_atomic_state *state,
+				     struct intel_encoder *encoder,
+				     const struct intel_crtc_state *old_crtc_state,
+				     const struct drm_connector_state *old_conn_state)
+{
+	if (old_crtc_state->has_audio)
+		intel_audio_codec_disable(encoder, old_crtc_state,
+					  old_conn_state);
+}
+
 static void intel_mst_disable_dp(struct intel_atomic_state *state,
 				 struct intel_encoder *encoder,
 				 const struct intel_crtc_state *old_crtc_state,
@@ -372,9 +382,6 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
 	if (ret) {
 		drm_dbg_kms(&i915->drm, "failed to update payload %d\n", ret);
 	}
-	if (old_crtc_state->has_audio)
-		intel_audio_codec_disable(encoder,
-					  old_crtc_state, old_conn_state);
 }
 
 static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
@@ -542,7 +549,7 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 	struct intel_digital_port *dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &dig_port->dp;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	u32 val;
+	enum transcoder trans = pipe_config->cpu_transcoder;
 
 	drm_WARN_ON(&dev_priv->drm, pipe_config->has_pch_encoder);
 
@@ -550,12 +557,8 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 
 	intel_ddi_enable_transcoder_func(encoder, pipe_config);
 
-	val = intel_de_read(dev_priv,
-			    TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder));
-	val |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
-	intel_de_write(dev_priv,
-		       TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder),
-		       val);
+	intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(trans), 0,
+		     TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
 
 	drm_dbg_kms(&dev_priv->drm, "active links %d\n",
 		    intel_dp->active_mst_links);
@@ -564,6 +567,10 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 
 	drm_dp_update_payload_part2(&intel_dp->mst_mgr);
 
+	if (DISPLAY_VER(dev_priv) >= 12 && pipe_config->fec_enable)
+		intel_de_rmw(dev_priv, CHICKEN_TRANS(trans), 0,
+			     FECSTALL_DIS_DPTSTREAM_DPTTG);
+
 	intel_enable_pipe(pipe_config);
 
 	intel_crtc_vblank_on(pipe_config);
@@ -903,6 +910,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *dig_port, enum pipe
 
 	intel_encoder->compute_config = intel_dp_mst_compute_config;
 	intel_encoder->compute_config_late = intel_dp_mst_compute_config_late;
+	intel_encoder->pre_disable = intel_mst_pre_disable_dp;
 	intel_encoder->disable = intel_mst_disable_dp;
 	intel_encoder->post_disable = intel_mst_post_disable_dp;
 	intel_encoder->update_pipe = intel_ddi_update_pipe;