- Documentation fixe (Matt, Miaoqian)

- OA-perf related fix (Umesh)
 - VLV/CHV HDMI/DP audio fix (Ville)
 - Display DDI/Transcoder fix (Khaled)
 - Migrate fixes (Chris, Matt)
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Merge tag 'drm-intel-next-fixes-2022-12-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

- Documentation fixe (Matt, Miaoqian)
- OA-perf related fix (Umesh)
- VLV/CHV HDMI/DP audio fix (Ville)
- Display DDI/Transcoder fix (Khaled)
- Migrate fixes (Chris, Matt)

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

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y5uFYOJ/1jgf2eSE@intel.com

drivers/gpu/drm/i915/display/g4x_dp.c

@@ -673,8 +673,6 @@ static void intel_enable_dp(struct intel_atomic_state *state,
 	intel_dp_pcon_dsc_configure(intel_dp, pipe_config);
 	intel_dp_start_link_train(intel_dp, pipe_config);
 	intel_dp_stop_link_train(intel_dp, pipe_config);
-
-	intel_audio_codec_enable(encoder, pipe_config, conn_state);
 }
 
 static void g4x_enable_dp(struct intel_atomic_state *state,
@@ -683,6 +681,7 @@ static void g4x_enable_dp(struct intel_atomic_state *state,
 			  const struct drm_connector_state *conn_state)
 {
 	intel_enable_dp(state, encoder, pipe_config, conn_state);
+	intel_audio_codec_enable(encoder, pipe_config, conn_state);
 	intel_edp_backlight_on(pipe_config, conn_state);
 }
 
@@ -691,6 +690,7 @@ static void vlv_enable_dp(struct intel_atomic_state *state,
 			  const struct intel_crtc_state *pipe_config,
 			  const struct drm_connector_state *conn_state)
 {
+	intel_audio_codec_enable(encoder, pipe_config, conn_state);
 	intel_edp_backlight_on(pipe_config, conn_state);
 }
 

drivers/gpu/drm/i915/display/g4x_hdmi.c

@@ -157,10 +157,8 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
 			     &pipe_config->infoframes.hdmi);
 }
 
-static void g4x_enable_hdmi(struct intel_atomic_state *state,
+static void g4x_hdmi_enable_port(struct intel_encoder *encoder,
-			    struct intel_encoder *encoder,
+				 const struct intel_crtc_state *pipe_config)
-			    const struct intel_crtc_state *pipe_config,
-			    const struct drm_connector_state *conn_state)
 {
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -175,6 +173,16 @@ static void g4x_enable_hdmi(struct intel_atomic_state *state,
 
 	intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp);
 	intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg);
+}
+
+static void g4x_enable_hdmi(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *pipe_config,
+			    const struct drm_connector_state *conn_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
+	g4x_hdmi_enable_port(encoder, pipe_config);
 
 	drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio &&
 		    !pipe_config->has_hdmi_sink);
@@ -294,6 +302,11 @@ static void vlv_enable_hdmi(struct intel_atomic_state *state,
 			    const struct intel_crtc_state *pipe_config,
 			    const struct drm_connector_state *conn_state)
 {
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
+	drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio &&
+		    !pipe_config->has_hdmi_sink);
+	intel_audio_codec_enable(encoder, pipe_config, conn_state);
 }
 
 static void intel_disable_hdmi(struct intel_atomic_state *state,
@@ -415,7 +428,7 @@ static void vlv_hdmi_pre_enable(struct intel_atomic_state *state,
 			      pipe_config->has_infoframe,
 			      pipe_config, conn_state);
 
-	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
+	g4x_hdmi_enable_port(encoder, pipe_config);
 
 	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
 }
@@ -492,7 +505,7 @@ static void chv_hdmi_pre_enable(struct intel_atomic_state *state,
 			      pipe_config->has_infoframe,
 			      pipe_config, conn_state);
 
-	g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
+	g4x_hdmi_enable_port(encoder, pipe_config);
 
 	vlv_wait_port_ready(dev_priv, dig_port, 0x0);
 

drivers/gpu/drm/i915/display/intel_dp.c

@@ -3679,61 +3679,6 @@ static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp,
 	}
 }
 
-static void
-intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp,
-				  const struct intel_crtc_state *crtc_state)
-{
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = dig_port->base.base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc);
-	enum pipe pipe = crtc->pipe;
-	u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
-
-	trans_ddi_func_ctl_value = intel_de_read(dev_priv,
-						 TRANS_DDI_FUNC_CTL(pipe));
-	trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
-	dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
-
-	trans_ddi_func_ctl_value &= ~(TRANS_DDI_FUNC_ENABLE |
-				      TGL_TRANS_DDI_PORT_MASK);
-	trans_conf_value &= ~PIPECONF_ENABLE;
-	dp_tp_ctl_value &= ~DP_TP_CTL_ENABLE;
-
-	intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
-	intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
-		       trans_ddi_func_ctl_value);
-	intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
-}
-
-static void
-intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp,
-				 const struct intel_crtc_state *crtc_state)
-{
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = dig_port->base.base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	enum port port = dig_port->base.port;
-	struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc);
-	enum pipe pipe = crtc->pipe;
-	u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
-
-	trans_ddi_func_ctl_value = intel_de_read(dev_priv,
-						 TRANS_DDI_FUNC_CTL(pipe));
-	trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
-	dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
-
-	trans_ddi_func_ctl_value |= TRANS_DDI_FUNC_ENABLE |
-				    TGL_TRANS_DDI_SELECT_PORT(port);
-	trans_conf_value |= PIPECONF_ENABLE;
-	dp_tp_ctl_value |= DP_TP_CTL_ENABLE;
-
-	intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
-	intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
-	intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
-		       trans_ddi_func_ctl_value);
-}
-
 static void intel_dp_process_phy_request(struct intel_dp *intel_dp,
 					 const struct intel_crtc_state *crtc_state)
 {
@@ -3752,14 +3697,10 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp,
 	intel_dp_get_adjust_train(intel_dp, crtc_state, DP_PHY_DPRX,
 				  link_status);
 
-	intel_dp_autotest_phy_ddi_disable(intel_dp, crtc_state);
-
 	intel_dp_set_signal_levels(intel_dp, crtc_state, DP_PHY_DPRX);
 
 	intel_dp_phy_pattern_update(intel_dp, crtc_state);
 
-	intel_dp_autotest_phy_ddi_enable(intel_dp, crtc_state);
-
 	drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_LANE0_SET,
 			  intel_dp->train_set, crtc_state->lane_count);
 

drivers/gpu/drm/i915/gem/i915_gem_object.c

@@ -785,6 +785,9 @@ bool i915_gem_object_needs_ccs_pages(struct drm_i915_gem_object *obj)
 	if (!HAS_FLAT_CCS(to_i915(obj->base.dev)))
 		return false;
 
+	if (obj->flags & I915_BO_ALLOC_CCS_AUX)
+		return true;
+
 	for (i = 0; i < obj->mm.n_placements; i++) {
 		/* Compression is not allowed for the objects with smem placement */
 		if (obj->mm.placements[i]->type == INTEL_MEMORY_SYSTEM)

drivers/gpu/drm/i915/gem/i915_gem_object_types.h

@@ -327,16 +327,18 @@ struct drm_i915_gem_object {
  * dealing with userspace objects the CPU fault handler is free to ignore this.
  */
 #define I915_BO_ALLOC_GPU_ONLY	  BIT(6)
+#define I915_BO_ALLOC_CCS_AUX	  BIT(7)
 #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \
 			     I915_BO_ALLOC_VOLATILE | \
 			     I915_BO_ALLOC_CPU_CLEAR | \
 			     I915_BO_ALLOC_USER | \
 			     I915_BO_ALLOC_PM_VOLATILE | \
 			     I915_BO_ALLOC_PM_EARLY | \
-			     I915_BO_ALLOC_GPU_ONLY)
+			     I915_BO_ALLOC_GPU_ONLY | \
-#define I915_BO_READONLY          BIT(7)
+			     I915_BO_ALLOC_CCS_AUX)
-#define I915_TILING_QUIRK_BIT     8 /* unknown swizzling; do not release! */
+#define I915_BO_READONLY          BIT(8)
-#define I915_BO_PROTECTED         BIT(9)
+#define I915_TILING_QUIRK_BIT     9 /* unknown swizzling; do not release! */
+#define I915_BO_PROTECTED         BIT(10)
 	/**
 	 * @mem_flags - Mutable placement-related flags
 	 *

drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c

@@ -50,6 +50,7 @@ static int i915_ttm_backup(struct i915_gem_apply_to_region *apply,
 		container_of(bo->bdev, typeof(*i915), bdev);
 	struct drm_i915_gem_object *backup;
 	struct ttm_operation_ctx ctx = {};
+	unsigned int flags;
 	int err = 0;
 
 	if (bo->resource->mem_type == I915_PL_SYSTEM || obj->ttm.backup)
@@ -65,7 +66,22 @@ static int i915_ttm_backup(struct i915_gem_apply_to_region *apply,
 	if (obj->flags & I915_BO_ALLOC_PM_VOLATILE)
 		return 0;
 
-	backup = i915_gem_object_create_shmem(i915, obj->base.size);
+	/*
+	 * It seems that we might have some framebuffers still pinned at this
+	 * stage, but for such objects we might also need to deal with the CCS
+	 * aux state. Make sure we force the save/restore of the CCS state,
+	 * otherwise we might observe display corruption, when returning from
+	 * suspend.
+	 */
+	flags = 0;
+	if (i915_gem_object_needs_ccs_pages(obj)) {
+		WARN_ON_ONCE(!i915_gem_object_is_framebuffer(obj));
+		WARN_ON_ONCE(!pm_apply->allow_gpu);
+
+		flags = I915_BO_ALLOC_CCS_AUX;
+	}
+	backup = i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_SMEM],
+					       obj->base.size, 0, flags);
 	if (IS_ERR(backup))
 		return PTR_ERR(backup);
 

drivers/gpu/drm/i915/gt/intel_gt_mcr.c

@@ -702,7 +702,7 @@ void intel_gt_mcr_get_ss_steering(struct intel_gt *gt, unsigned int dss,
 }
 
 /**
- * intel_gt_mcr_wait_for_reg_fw - wait until MCR register matches expected state
+ * intel_gt_mcr_wait_for_reg - wait until MCR register matches expected state
  * @gt: GT structure
  * @reg: the register to read
  * @mask: mask to apply to register value

drivers/gpu/drm/i915/gt/intel_migrate.c

@@ -342,6 +342,16 @@ static int emit_no_arbitration(struct i915_request *rq)
 	return 0;
 }
 
+static int max_pte_pkt_size(struct i915_request *rq, int pkt)
+{
+	struct intel_ring *ring = rq->ring;
+
+	pkt = min_t(int, pkt, (ring->space - rq->reserved_space) / sizeof(u32) + 5);
+	pkt = min_t(int, pkt, (ring->size - ring->emit) / sizeof(u32) + 5);
+
+	return pkt;
+}
+
 static int emit_pte(struct i915_request *rq,
 		    struct sgt_dma *it,
 		    enum i915_cache_level cache_level,
@@ -388,8 +398,7 @@ static int emit_pte(struct i915_request *rq,
 		return PTR_ERR(cs);
 
 	/* Pack as many PTE updates as possible into a single MI command */
-	pkt = min_t(int, dword_length, ring->space / sizeof(u32) + 5);
+	pkt = max_pte_pkt_size(rq, dword_length);
-	pkt = min_t(int, pkt, (ring->size - ring->emit) / sizeof(u32) + 5);
 
 	hdr = cs;
 	*cs++ = MI_STORE_DATA_IMM | REG_BIT(21); /* as qword elements */
@@ -422,8 +431,7 @@ static int emit_pte(struct i915_request *rq,
 				}
 			}
 
-			pkt = min_t(int, dword_rem, ring->space / sizeof(u32) + 5);
+			pkt = max_pte_pkt_size(rq, dword_rem);
-			pkt = min_t(int, pkt, (ring->size - ring->emit) / sizeof(u32) + 5);
 
 			hdr = cs;
 			*cs++ = MI_STORE_DATA_IMM | REG_BIT(21);
@@ -829,14 +837,35 @@ intel_context_migrate_copy(struct intel_context *ce,
 			if (err)
 				goto out_rq;
 
-			/*
+			if (src_is_lmem) {
-			 * While we can't always restore/manage the CCS state,
+				/*
-			 * we still need to ensure we don't leak the CCS state
+				 * If the src is already in lmem, then we must
-			 * from the previous user, so make sure we overwrite it
+				 * be doing an lmem -> lmem transfer, and so
-			 * with something.
+				 * should be safe to directly copy the CCS
-			 */
+				 * state. In this case we have either
-			err = emit_copy_ccs(rq, dst_offset, INDIRECT_ACCESS,
+				 * initialised the CCS aux state when first
-					    dst_offset, DIRECT_ACCESS, len);
+				 * clearing the pages (since it is already
+				 * allocated in lmem), or the user has
+				 * potentially populated it, in which case we
+				 * need to copy the CCS state as-is.
+				 */
+				err = emit_copy_ccs(rq,
+						    dst_offset, INDIRECT_ACCESS,
+						    src_offset, INDIRECT_ACCESS,
+						    len);
+			} else {
+				/*
+				 * While we can't always restore/manage the CCS
+				 * state, we still need to ensure we don't leak
+				 * the CCS state from the previous user, so make
+				 * sure we overwrite it with something.
+				 */
+				err = emit_copy_ccs(rq,
+						    dst_offset, INDIRECT_ACCESS,
+						    dst_offset, DIRECT_ACCESS,
+						    len);
+			}
+
 			if (err)
 				goto out_rq;
 

drivers/gpu/drm/i915/i915_perf.c

@@ -1383,6 +1383,9 @@ static u32 oa_context_image_offset(struct intel_context *ce, u32 reg)
 	u32 offset, len = (ce->engine->context_size - PAGE_SIZE) / 4;
 	u32 *state = ce->lrc_reg_state;
 
+	if (drm_WARN_ON(&ce->engine->i915->drm, !state))
+		return U32_MAX;
+
 	for (offset = 0; offset < len; ) {
 		if (IS_MI_LRI_CMD(state[offset])) {
 			/*
@@ -1447,7 +1450,8 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
 	if (IS_ERR(ce))
 		return PTR_ERR(ce);
 
-	if (engine_supports_mi_query(stream->engine)) {
+	if (engine_supports_mi_query(stream->engine) &&
+	    HAS_LOGICAL_RING_CONTEXTS(stream->perf->i915)) {
 		/*
 		 * We are enabling perf query here. If we don't find the context
 		 * offset here, just return an error.

drivers/gpu/drm/i915/intel_uncore.c

@@ -824,9 +824,9 @@ void intel_uncore_forcewake_flush(struct intel_uncore *uncore,
 }
 
 /**
- * intel_uncore_forcewake_put__locked - grab forcewake domain references
+ * intel_uncore_forcewake_put__locked - release forcewake domain references
  * @uncore: the intel_uncore structure
- * @fw_domains: forcewake domains to get reference on
+ * @fw_domains: forcewake domains to put references
  *
  * See intel_uncore_forcewake_put(). This variant places the onus
  * on the caller to explicitly handle the dev_priv->uncore.lock spinlock.