Merge tag 'drm-intel-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Linux core:
-----------
iosys-map: Add offset to iosys_map_memcpy_to() (Lucas)
iosys-map: Add a few more helpers (Lucas)

i915 (display and core changes on drm-intel-next):
--------------------------------------------------

- Display's DBuf and watermark related fixes and improvements (Ville)
- More i915 header and other code clean-up (Jani)
- Display IPS fixes and improvements (Ville)
- OPRegion fixes and cleanups (Jani)
- Fix the plane end Y offset check for FBC (Ville)
- DP 128b/132b updates (Jani)
- Disable runtime pm wakeref tracking for the mock device selftest (Ville)
- Many display code clean-up while targeting to fix up DP DFP 4:2:0 handling (Ville)
- Bigjoiner state tracking and more bigjoiner related work (Ville)
- Update DMC_DEBUG3 register for DG1 (Chuansheng)
- SAGV fixes (Ville)
- More GT register cleanup (Matt)
- Fix build issue when using clang (Tong)
- Display DG2 fixes (Matt)
- ADL-P PHY related fixes (Imre)
- PSR2 fixes (Jose)
- Add PCH Support for Alder Lake N (Tejas)

drm-intel-gt-next (drm-intel-gt-next-2022-02-17):
-------------------------------------------------
UAPI Changes:

- Weak parallel submission support for execlists

  Minimal implementation of the parallel submission support for
  execlists backend that was previously only implemented for GuC.
  Support one sibling non-virtual engine.

Core Changes:

- Two backmerges of drm/drm-next for header file renames/changes and
  i915_regs reorganization

Driver Changes:

- Add new DG2 subplatform: DG2-G12 (Matt R)
- Add new DG2 workarounds (Matt R, Ram, Bruce)
- Handle pre-programmed WOPCM registers for DG2+ (Daniele)
- Update guc shim control programming on XeHP SDV+ (Daniele)
- Add RPL-S C0/D0 stepping information (Anusha)
- Improve GuC ADS initialization to work on ARM64 on dGFX (Lucas)

- Fix KMD and GuC race on accessing PMU busyness (Umesh)
- Use PM timestamp instead of RING TIMESTAMP for reference in PMU with GuC (Umesh)
- Report error on invalid reset notification from GuC (John)
- Avoid WARN splat by holding RPM wakelock during PXP unbind (Juston)
- Fixes to parallel submission implementation (Matt B.)
- Improve GuC loading status check/error reports (John)
- Tweak TTM LRU priority hint selection (Matt A.)
- Align the plane_vma to min_page_size of stolen mem (Ram)

- Introduce vma resources and implement async unbinding (Thomas)
- Use struct vma_resource instead of struct vma_snapshot (Thomas)
- Return some TTM accel move errors instead of trying memcpy move (Thomas)
- Fix a race between vma / object destruction and unbinding (Thomas)
- Remove short-term pins from execbuf (Maarten)
- Update to GuC version 69.0.3 (John, Michal Wa.)
- Improvements to GT reset paths in GuC backend (Matt B.)
- Use shrinker_release_pages instead of writeback in shmem object hooks (Matt A., Tvrtko)
- Use trylock instead of blocking lock when freeing GEM objects (Maarten)
- Allocate intel_engine_coredump_alloc with ALLOW_FAIL (Matt B.)
- Fixes to object unmapping and purging (Matt A)
- Check for wedged device in GuC backend (John)
- Avoid lockdep splat by locking dpt_obj around set_cache_level (Maarten)
- Allow dead vm to unbind vma's without lock (Maarten)
- s/engine->i915/i915/ for DG2 engine workarounds (Matt R)

- Use to_gt() helper for GGTT accesses (Michal Wi.)
- Selftest improvements (Matt B., Thomas, Ram)
- Coding style and compiler warning fixes (Matt B., Jasmine, Andi, Colin, Gustavo, Dan)

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

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YhbDan8wNZBR6FzF@intel.com

1 files changed, 31 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 6b6eab507d30..e30e698aa684 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -99,6 +99,29 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 	return 0;
 }
 
+static int intel_dp_mst_update_slots(struct intel_encoder *encoder,
+				     struct intel_crtc_state *crtc_state,
+				     struct drm_connector_state *conn_state)
+{
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
+	struct intel_dp *intel_dp = &intel_mst->primary->dp;
+	struct drm_dp_mst_topology_mgr *mgr = &intel_dp->mst_mgr;
+	struct drm_dp_mst_topology_state *topology_state;
+	u8 link_coding_cap = intel_dp_is_uhbr(crtc_state) ?
+		DP_CAP_ANSI_128B132B : DP_CAP_ANSI_8B10B;
+
+	topology_state = drm_atomic_get_mst_topology_state(conn_state->state, mgr);
+	if (IS_ERR(topology_state)) {
+		drm_dbg_kms(&i915->drm, "slot update failed\n");
+		return PTR_ERR(topology_state);
+	}
+
+	drm_dp_mst_update_slots(topology_state, link_coding_cap);
+
+	return 0;
+}
+
 static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 				       struct intel_crtc_state *pipe_config,
 				       struct drm_connector_state *conn_state)
@@ -155,6 +178,10 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 	if (ret)
 		return ret;
 
+	ret = intel_dp_mst_update_slots(encoder, pipe_config, conn_state);
+	if (ret)
+		return ret;
+
 	pipe_config->limited_color_range =
 		intel_dp_limited_color_range(pipe_config, conn_state);
 
@@ -357,6 +384,7 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
 	struct intel_connector *connector =
 		to_intel_connector(old_conn_state->connector);
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	int start_slot = intel_dp_is_uhbr(old_crtc_state) ? 0 : 1;
 	int ret;
 
 	drm_dbg_kms(&i915->drm, "active links %d\n",
@@ -366,7 +394,7 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
 
 	drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, connector->port);
 
-	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr, 1);
+	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr, start_slot);
 	if (ret) {
 		drm_dbg_kms(&i915->drm, "failed to update payload %d\n", ret);
 	}
@@ -475,6 +503,7 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_connector *connector =
 		to_intel_connector(conn_state->connector);
+	int start_slot = intel_dp_is_uhbr(pipe_config) ? 0 : 1;
 	int ret;
 	bool first_mst_stream;
 
@@ -509,7 +538,7 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 
 	intel_dp->active_mst_links++;
 
-	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr, 1);
+	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr, start_slot);
 
 	/*
 	 * Before Gen 12 this is not done as part of