Merge tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "There's a lot of rework, the panic helper support is being added to
  more drivers, v3d gets support for HW superpages, scheduler
  documentation, drm client and video aperture reworks, some new
  MAINTAINERS added, amdgpu has the usual lots of IP refactors, Intel
  has some Pantherlake enablement and xe is getting some SRIOV bits, but
  just lots of stuff everywhere.

  core:
   - split DSC helpers from DP helpers
   - clang build fixes for drm/mm test
   - drop simple pipeline support for gem vram
   - document submission error signaling
   - move drm_rect to drm core module from kms helper
   - add default client setup to most drivers
   - move to video aperture helpers instead of drm ones

  tests:
   - new framebuffer tests

  ttm:
   - remove swapped and pinned BOs from TTM lru

  panic:
   - fix uninit spinlock
   - add ABGR2101010 support

  bridge:
   - add TI TDP158 support
   - use standard PM OPS

  dma-fence:
   - use read_trylock instead of read_lock to help lockdep

  scheduler:
   - add errno to sched start to report different errors
   - add locking to drm_sched_entity_modify_sched
   - improve documentation

  xe:
   - add drm_line_printer
   - lots of refactoring
   - Enable Xe2 + PES disaggregation
   - add new ARL PCI ID
   - SRIOV development work
   - fix exec unnecessary implicit fence
   - define and parse OA sync props
   - forcewake refactoring

  i915:
   - Enable BMG/LNL ultra joiner
   - Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
   - use DSB for plane/color mgmt
   - Arrow lake PCI IDs
   - lots of i915/xe display refactoring
   - enable PXP GuC autoteardown
   - Pantherlake (PTL) Xe3 LPD display enablement
   - Allow fastset HDR infoframe changes
   - write DP source OUI for non-eDP sinks
   - share PCI IDs between i915 and xe

  amdgpu:
   - SDMA queue reset support
   - SMU 13.0.6, JPEG 4.0.3 updates
   - Initial runtime repartitioning support
   - rework IP structs for multiple IP instances
   - Fetch EDID from _DDC if available
   - SMU13 zero rpm user control
   - lots of fixes/cleanups

  amdkfd:
   - Increase event FIFO size
   - add topology cap flag for per queue reset

  msm:
   - DPU:
      - SA8775P support
      - (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
      - Enable large framebuffer support
      - Drop MSM8998 and SDM845
   - DP:
      - SA8775P support
   - GPU:
      - a7xx preemption support
      - Adreno A663 support

  ast:
   - warn about unsupported TX chips

  ivpu:
   - add coredump
   - add pantherlake support

  rockchip:
   - 4K@60Hz display enablement
   - generate pll programming tables

  panthor:
   - add timestamp query API
   - add realtime group priority
   - add fdinfo support

  etnaviv:
   - improve handling of DMA address limits
   - improve GPU hangcheck

  exynos:
   - Decon Exynos7870 support

  mediatek:
   - add OF graph support

  omap:
   - locking fixes

  bochs:
   - convert to gem/shmem from simpledrm

  v3d:
   - support big/super pages
   - add gemfs

  vc4:
   - BCM2712 support refactoring
   - add YUV444 format support

  udmabuf:
   - folio related fixes

  nouveau:
   - add panic support on nv50+"

* tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel: (1583 commits)
  drm/xe/guc: Fix dereference before NULL check
  drm/amd: Fix initialization mistake for NBIO 7.7.0
  Revert "drm/amd/display: parse umc_info or vram_info based on ASIC"
  drm/amd/display: Fix failure to read vram info due to static BP_RESULT
  drm/amdgpu: enable GTT fallback handling for dGPUs only
  drm/amd/amdgpu: limit single process inside MES
  drm/fourcc: add AMD_FMT_MOD_TILE_GFX9_4K_D_X
  drm/amdgpu/mes12: correct kiq unmap latency
  drm/amdgpu: Support vcn and jpeg error info parsing
  drm/amd : Update MES API header file for v11 & v12
  drm/amd/amdkfd: add/remove kfd queues on start/stop KFD scheduling
  drm/amdkfd: change kfd process kref count at creation
  drm/amdgpu: Cleanup shift coding style
  drm/amd/amdgpu: Increase MES log buffer to dump mes scratch data
  drm/amdgpu: Implement virt req_ras_err_count
  drm/amdgpu: VF Query RAS Caps from Host if supported
  drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry
  drm/amdgpu: Update SRIOV Exchange Headers for RAS Telemetry Support
  drm/amd/display: 3.2.309
  drm/amd/display: Adjust VSDB parser for replay feature
  ...

1 files changed, 146 insertions, 19 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 136a0d6ca970..a784c0b81556 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -21,6 +21,8 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include <linux/debugfs.h>
+
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_debugfs.h>
@@ -33,6 +35,7 @@
 #include "intel_cursor_regs.h"
 #include "intel_ddi.h"
 #include "intel_de.h"
+#include "intel_display_irq.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
 #include "intel_dp_aux.h"
@@ -230,7 +233,9 @@ static bool psr_global_enabled(struct intel_dp *intel_dp)
 	switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
 	case I915_PSR_DEBUG_DEFAULT:
 		if (display->params.enable_psr == -1)
-			return connector->panel.vbt.psr.enable;
+			return intel_dp_is_edp(intel_dp) ?
+				connector->panel.vbt.psr.enable :
+				true;
 		return display->params.enable_psr;
 	case I915_PSR_DEBUG_DISABLE:
 		return false;
@@ -762,7 +767,7 @@ static void _psr_enable_sink(struct intel_dp *intel_dp,
 			     const struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
-	u8 val = DP_PSR_ENABLE;
+	u8 val = 0;
 
 	if (crtc_state->has_sel_update) {
 		val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS;
@@ -782,7 +787,9 @@ static void _psr_enable_sink(struct intel_dp *intel_dp,
 
 	if (intel_dp->psr.entry_setup_frames > 0)
 		val |= DP_PSR_FRAME_CAPTURE;
+	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, val);
 
+	val |= DP_PSR_ENABLE;
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, val);
 }
 
@@ -1446,11 +1453,15 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 		return false;
 	}
 
-	if (DISPLAY_VER(display) >= 12) {
+	if (DISPLAY_VER(display) >= 20) {
+		psr_max_h = crtc_hdisplay;
+		psr_max_v = crtc_vdisplay;
+		max_bpp = crtc_state->pipe_bpp;
+	} else if (IS_DISPLAY_VER(display, 12, 14)) {
 		psr_max_h = 5120;
 		psr_max_v = 3200;
 		max_bpp = 30;
-	} else if (DISPLAY_VER(display) >= 10) {
+	} else if (IS_DISPLAY_VER(display, 10, 11)) {
 		psr_max_h = 4096;
 		psr_max_v = 2304;
 		max_bpp = 24;
@@ -1599,6 +1610,10 @@ _panel_replay_compute_config(struct intel_dp *intel_dp,
 
 	/* Remaining checks are for eDP only */
 
+	if (to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_A &&
+	    to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_B)
+		return false;
+
 	/* 128b/132b Panel Replay is not supported on eDP */
 	if (intel_dp_is_uhbr(crtc_state)) {
 		drm_dbg_kms(display->drm,
@@ -1903,14 +1918,14 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 		 * cause issues if non-supported panels are used.
 		 */
 		if (!intel_dp->psr.panel_replay_enabled &&
-		    (IS_DISPLAY_VER_STEP(display, IP_VER(14, 0), STEP_A0, STEP_B0) ||
+		    (IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0) ||
 		     IS_ALDERLAKE_P(dev_priv)))
 			intel_de_rmw(display, hsw_chicken_trans_reg(dev_priv, cpu_transcoder),
 				     0, ADLP_1_BASED_X_GRANULARITY);
 
 		/* Wa_16012604467:adlp,mtl[a0,b0] */
 		if (!intel_dp->psr.panel_replay_enabled &&
-		    IS_DISPLAY_VER_STEP(display, IP_VER(14, 0), STEP_A0, STEP_B0))
+		    IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0))
 			intel_de_rmw(display,
 				     MTL_CLKGATE_DIS_TRANS(display, cpu_transcoder),
 				     0,
@@ -1998,6 +2013,15 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp,
 	intel_dp->psr.enabled = true;
 	intel_dp->psr.paused = false;
 
+	/*
+	 * Link_ok is sticky and set here on PSR enable. We can assume link
+	 * training is complete as we never continue to PSR enable with
+	 * untrained link. Link_ok is kept as set until first short pulse
+	 * interrupt. This is targeted to workaround panels stating bad link
+	 * after PSR is enabled.
+	 */
+	intel_dp->psr.link_ok = true;
+
 	intel_psr_activate(intel_dp);
 }
 
@@ -2095,7 +2119,7 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 	if (intel_dp->psr.sel_update_enabled) {
 		/* Wa_16012604467:adlp,mtl[a0,b0] */
 		if (!intel_dp->psr.panel_replay_enabled &&
-		    IS_DISPLAY_VER_STEP(display, IP_VER(14, 0), STEP_A0, STEP_B0))
+		    IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0))
 			intel_de_rmw(display,
 				     MTL_CLKGATE_DIS_TRANS(display, cpu_transcoder),
 				     MTL_CLKGATE_DIS_TRANS_DMASC_GATING_DIS, 0);
@@ -2114,7 +2138,7 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 			     ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
 
 		intel_de_rmw(display,
-			     PORT_ALPM_CTL(display, cpu_transcoder),
+			     PORT_ALPM_CTL(cpu_transcoder),
 			     PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
 	}
 
@@ -2157,6 +2181,8 @@ void intel_psr_disable(struct intel_dp *intel_dp,
 
 	intel_psr_disable_locked(intel_dp);
 
+	intel_dp->psr.link_ok = false;
+
 	mutex_unlock(&intel_dp->psr.lock);
 	cancel_work_sync(&intel_dp->psr.work);
 	cancel_delayed_work_sync(&intel_dp->psr.dc3co_work);
@@ -2221,6 +2247,36 @@ unlock:
 	mutex_unlock(&psr->lock);
 }
 
+/**
+ * intel_psr_needs_block_dc_vblank - Check if block dc entry is needed
+ * @crtc_state: CRTC status
+ *
+ * We need to block DC6 entry in case of Panel Replay as enabling VBI doesn't
+ * prevent it in case of Panel Replay. Panel Replay switches main link off on
+ * DC entry. This means vblank interrupts are not fired and is a problem if
+ * user-space is polling for vblank events.
+ */
+bool intel_psr_needs_block_dc_vblank(const struct intel_crtc_state *crtc_state)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct intel_encoder *encoder;
+
+	for_each_encoder_on_crtc(crtc->base.dev, &crtc->base, encoder) {
+		struct intel_dp *intel_dp;
+
+		if (!intel_encoder_is_dp(encoder))
+			continue;
+
+		intel_dp = enc_to_intel_dp(encoder);
+
+		if (intel_dp_is_edp(intel_dp) &&
+		    CAN_PANEL_REPLAY(intel_dp))
+			return true;
+	}
+
+	return false;
+}
+
 static u32 man_trk_ctl_enable_bit_get(struct intel_display *display)
 {
 	struct drm_i915_private *dev_priv = to_i915(display->drm);
@@ -2480,11 +2536,60 @@ static bool psr2_sel_fetch_pipe_state_supported(const struct intel_crtc_state *c
 	return true;
 }
 
+/* Wa 14019834836 */
+static void intel_psr_apply_pr_link_on_su_wa(struct intel_crtc_state *crtc_state)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+	struct intel_encoder *encoder;
+	int hactive_limit;
+
+	if (crtc_state->psr2_su_area.y1 != 0 ||
+	    crtc_state->psr2_su_area.y2 != 0)
+		return;
+
+	if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
+		hactive_limit = intel_dp_is_uhbr(crtc_state) ? 1230 : 546;
+	else
+		hactive_limit = intel_dp_is_uhbr(crtc_state) ? 615 : 273;
+
+	if (crtc_state->hw.adjusted_mode.hdisplay < hactive_limit)
+		return;
+
+	for_each_intel_encoder_mask_with_psr(display->drm, encoder,
+					     crtc_state->uapi.encoder_mask) {
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+		if (!intel_dp_is_edp(intel_dp) &&
+		    intel_dp->psr.panel_replay_enabled &&
+		    intel_dp->psr.sel_update_enabled) {
+			crtc_state->psr2_su_area.y2++;
+			return;
+		}
+	}
+}
+
+static void
+intel_psr_apply_su_area_workarounds(struct intel_crtc_state *crtc_state)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+
+	/* Wa_14014971492 */
+	if (!crtc_state->has_panel_replay &&
+	    ((IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0) ||
+	      IS_ALDERLAKE_P(i915) || IS_TIGERLAKE(i915))) &&
+	    crtc_state->splitter.enable)
+		crtc_state->psr2_su_area.y1 = 0;
+
+	/* Wa 14019834836 */
+	if (DISPLAY_VER(display) == 30)
+		intel_psr_apply_pr_link_on_su_wa(crtc_state);
+}
+
 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 				struct intel_crtc *crtc)
 {
 	struct intel_display *display = to_intel_display(state);
-	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 	struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_plane_state *new_plane_state, *old_plane_state;
 	struct intel_plane *plane;
@@ -2589,12 +2694,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	if (full_update)
 		goto skip_sel_fetch_set_loop;
 
-	/* Wa_14014971492 */
-	if (!crtc_state->has_panel_replay &&
-	    ((IS_DISPLAY_VER_STEP(display, IP_VER(14, 0), STEP_A0, STEP_B0) ||
-	      IS_ALDERLAKE_P(dev_priv) || IS_TIGERLAKE(dev_priv))) &&
-	    crtc_state->splitter.enable)
-		crtc_state->psr2_su_area.y1 = 0;
+	intel_psr_apply_su_area_workarounds(crtc_state);
 
 	ret = drm_atomic_add_affected_planes(&state->base, &crtc->base);
 	if (ret)
@@ -3373,6 +3473,8 @@ void intel_psr_short_pulse(struct intel_dp *intel_dp)
 
 	mutex_lock(&psr->lock);
 
+	psr->link_ok = false;
+
 	if (!psr->enabled)
 		goto exit;
 
@@ -3433,6 +3535,33 @@ bool intel_psr_enabled(struct intel_dp *intel_dp)
 }
 
 /**
+ * intel_psr_link_ok - return psr->link_ok
+ * @intel_dp: struct intel_dp
+ *
+ * We are seeing unexpected link re-trainings with some panels. This is caused
+ * by panel stating bad link status after PSR is enabled. Code checking link
+ * status can call this to ensure it can ignore bad link status stated by the
+ * panel I.e. if panel is stating bad link and intel_psr_link_ok is stating link
+ * is ok caller should rely on latter.
+ *
+ * Return value of link_ok
+ */
+bool intel_psr_link_ok(struct intel_dp *intel_dp)
+{
+	bool ret;
+
+	if ((!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp)) ||
+	    !intel_dp_is_edp(intel_dp))
+		return false;
+
+	mutex_lock(&intel_dp->psr.lock);
+	ret = intel_dp->psr.link_ok;
+	mutex_unlock(&intel_dp->psr.lock);
+
+	return ret;
+}
+
+/**
  * intel_psr_lock - grab PSR lock
  * @crtc_state: the crtc state
  *
@@ -3848,10 +3977,8 @@ void intel_psr_connector_debugfs_add(struct intel_connector *connector)
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct dentry *root = connector->base.debugfs_entry;
 
-	/* TODO: Add support for MST connectors as well. */
-	if ((connector->base.connector_type != DRM_MODE_CONNECTOR_eDP &&
-	     connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) ||
-	    connector->mst_port)
+	if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP &&
+	    connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort)
 		return;
 
 	debugfs_create_file("i915_psr_sink_status", 0444, root,