Merge tag 'drm-intel-gt-next-2023-05-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

UAPI Changes:

- New getparam for querying PXP support and load status

Cross-subsystem Changes:

- GSC/MEI proxy driver

Driver Changes:

Fixes/improvements/new stuff:

- Avoid clearing pre-allocated framebuffers with the TTM backend (Nirmoy Das)
- Implement framebuffer mmap support (Nirmoy Das)
- Disable sampler indirect state in bindless heap (Lionel Landwerlin)
- Avoid out-of-bounds access when loading HuC (Lucas De Marchi)
- Actually return an error if GuC version range check fails (John Harrison)
- Get mutex and rpm ref just once in hwm_power_max_write (Ashutosh Dixit)
- Disable PL1 power limit when loading GuC firmware (Ashutosh Dixit)
- Block in hwmon while waiting for GuC reset to complete (Ashutosh Dixit)
- Provide sysfs for SLPC efficient freq (Vinay Belgaumkar)
- Add support for total context runtime for GuC back-end (Umesh Nerlige Ramappa)
- Enable fdinfo for GuC backends (Umesh Nerlige Ramappa)
- Don't capture Gen8 regs on Xe devices (John Harrison)
- Fix error capture for virtual engines (John Harrison)
- Track patch level versions on reduced version firmware files (John Harrison)
- Decode another GuC load failure case (John Harrison)
- GuC loading and firmware table handling fixes (John Harrison)
- Fix confused register capture list creation (John Harrison)
- Dump error capture to kernel log (John Harrison)
- Dump error capture to dmesg on CTB error (John Harrison)
- Disable rps_boost debugfs when SLPC is used (Vinay Belgaumkar)

Future platform enablement:

- Disable stolen memory backed FB for A0 [mtl] (Nirmoy Das)
- Various refactors for multi-tile enablement (Andi Shyti, Tejas Upadhyay)
- Extend Wa_22011802037 to MTL A-step (Madhumitha Tolakanahalli Pradeep)
- WA to clear RDOP clock gating [mtl] (Haridhar Kalvala)
- Set has_llc=0 [mtl] (Fei Yang)
- Define MOCS and PAT tables for MTL (Madhumitha Tolakanahalli Pradeep)
- Add PTE encode function [mtl] (Fei Yang)
- fix mocs selftest [mtl] (Fei Yang)
- Workaround coherency issue for Media [mtl] (Fei Yang)
- Add workaround 14018778641 [mtl] (Tejas Upadhyay)
- Implement Wa_14019141245 [mtl] (Radhakrishna Sripada)
- Fix the wa number for Wa_22016670082 [mtl] (Radhakrishna Sripada)
- Use correct huge page manager for MTL (Jonathan Cavitt)
- GSC/MEI support for Meteorlake (Alexander Usyskin, Daniele Ceraolo Spurio)
- Define GuC firmware version for MTL (John Harrison)
- Drop FLAT CCS check [mtl] (Pallavi Mishra)
- Add MTL for remapping CCS FBs [mtl] (Clint Taylor)
- Meteorlake PXP enablement (Alan Previn)
- Do not enable render power-gating on MTL (Andrzej Hajda)
- Add MTL performance tuning changes (Radhakrishna Sripada)
- Extend Wa_16014892111 to MTL A-step (Radhakrishna Sripada)
- PMU multi-tile support (Tvrtko Ursulin)
- End support for set caching ioctl [mtl] (Fei Yang)

Driver refactors:

- Use i915 instead of dev_priv insied the file_priv structure (Andi Shyti)
- Use proper parameter naming in for_each_engine() (Andi Shyti)
- Use gt_err for GT info (Tejas Upadhyay)
- Consolidate duplicated capture list code (John Harrison)
- Capture list naming clean up (John Harrison)
- Use kernel-doc -Werror when CONFIG_DRM_I915_WERROR=y (Jani Nikula)
- Preparation for using PAT index (Fei Yang)
- Use pat_index instead of cache_level (Fei Yang)

Miscellaneous:

- Fix memory leaks in i915 selftests (Cong Liu)
- Record GT error for gt failure (Tejas Upadhyay)
- Migrate platform-dependent mock hugepage selftests to live (Jonathan Cavitt)
- Update the SLPC selftest (Vinay Belgaumkar)
- Throw out set() wrapper (Jani Nikula)
- Large driver kernel doc cleanup (Jani Nikula)
- Fix probe injection CI failures after recent change (John Harrison)
- Make unexpected firmware versions an error in debug builds (John Harrison)
- Silence UBSAN uninitialized bool variable warning (Ashutosh Dixit)
- Fix memory leaks in function live_nop_switch (Cong Liu)

Merges:

- Merge drm/drm-next into drm-intel-gt-next (Joonas Lahtinen)

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

# Conflicts:
#	drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZG5SxCWRSkZhTDtY@tursulin-desk

1 files changed, 147 insertions, 6 deletions

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index f020c0086fbc..ec368e700235 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -808,10 +808,15 @@ static void err_print_gt_engines(struct drm_i915_error_state_buf *m,
 	for (ee = gt->engine; ee; ee = ee->next) {
 		const struct i915_vma_coredump *vma;
 
-		if (ee->guc_capture_node)
-			intel_guc_capture_print_engine_node(m, ee);
-		else
+		if (gt->uc && gt->uc->guc.is_guc_capture) {
+			if (ee->guc_capture_node)
+				intel_guc_capture_print_engine_node(m, ee);
+			else
+				err_printf(m, "  Missing GuC capture node for %s\n",
+					   ee->engine->name);
+		} else {
 			error_print_engine(m, ee);
+		}
 
 		err_printf(m, "  hung: %u\n", ee->hung);
 		err_printf(m, "  engine reset count: %u\n", ee->reset_count);
@@ -1117,10 +1122,14 @@ i915_vma_coredump_create(const struct intel_gt *gt,
 			mutex_lock(&ggtt->error_mutex);
 			if (ggtt->vm.raw_insert_page)
 				ggtt->vm.raw_insert_page(&ggtt->vm, dma, slot,
-							 I915_CACHE_NONE, 0);
+							 i915_gem_get_pat_index(gt->i915,
+										I915_CACHE_NONE),
+							 0);
 			else
 				ggtt->vm.insert_page(&ggtt->vm, dma, slot,
-						     I915_CACHE_NONE, 0);
+						     i915_gem_get_pat_index(gt->i915,
+									    I915_CACHE_NONE),
+						     0);
 			mb();
 
 			s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE);
@@ -2162,7 +2171,7 @@ void i915_error_state_store(struct i915_gpu_coredump *error)
  * i915_capture_error_state - capture an error record for later analysis
  * @gt: intel_gt which originated the hang
  * @engine_mask: hung engines
- *
+ * @dump_flags: dump flags
  *
  * Should be called when an error is detected (either a hang or an error
  * interrupt) to capture error state from the time of the error.  Fills
@@ -2219,3 +2228,135 @@ void i915_disable_error_state(struct drm_i915_private *i915, int err)
 		i915->gpu_error.first_error = ERR_PTR(err);
 	spin_unlock_irq(&i915->gpu_error.lock);
 }
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
+void intel_klog_error_capture(struct intel_gt *gt,
+			      intel_engine_mask_t engine_mask)
+{
+	static int g_count;
+	struct drm_i915_private *i915 = gt->i915;
+	struct i915_gpu_coredump *error;
+	intel_wakeref_t wakeref;
+	size_t buf_size = PAGE_SIZE * 128;
+	size_t pos_err;
+	char *buf, *ptr, *next;
+	int l_count = g_count++;
+	int line = 0;
+
+	/* Can't allocate memory during a reset */
+	if (test_bit(I915_RESET_BACKOFF, &gt->reset.flags)) {
+		drm_err(&gt->i915->drm, "[Capture/%d.%d] Inside GT reset, skipping error capture :(\n",
+			l_count, line++);
+		return;
+	}
+
+	error = READ_ONCE(i915->gpu_error.first_error);
+	if (error) {
+		drm_err(&i915->drm, "[Capture/%d.%d] Clearing existing error capture first...\n",
+			l_count, line++);
+		i915_reset_error_state(i915);
+	}
+
+	with_intel_runtime_pm(&i915->runtime_pm, wakeref)
+		error = i915_gpu_coredump(gt, engine_mask, CORE_DUMP_FLAG_NONE);
+
+	if (IS_ERR(error)) {
+		drm_err(&i915->drm, "[Capture/%d.%d] Failed to capture error capture: %ld!\n",
+			l_count, line++, PTR_ERR(error));
+		return;
+	}
+
+	buf = kvmalloc(buf_size, GFP_KERNEL);
+	if (!buf) {
+		drm_err(&i915->drm, "[Capture/%d.%d] Failed to allocate buffer for error capture!\n",
+			l_count, line++);
+		i915_gpu_coredump_put(error);
+		return;
+	}
+
+	drm_info(&i915->drm, "[Capture/%d.%d] Dumping i915 error capture for %ps...\n",
+		 l_count, line++, __builtin_return_address(0));
+
+	/* Largest string length safe to print via dmesg */
+#	define MAX_CHUNK	800
+
+	pos_err = 0;
+	while (1) {
+		ssize_t got = i915_gpu_coredump_copy_to_buffer(error, buf, pos_err, buf_size - 1);
+
+		if (got <= 0)
+			break;
+
+		buf[got] = 0;
+		pos_err += got;
+
+		ptr = buf;
+		while (got > 0) {
+			size_t count;
+			char tag[2];
+
+			next = strnchr(ptr, got, '\n');
+			if (next) {
+				count = next - ptr;
+				*next = 0;
+				tag[0] = '>';
+				tag[1] = '<';
+			} else {
+				count = got;
+				tag[0] = '}';
+				tag[1] = '{';
+			}
+
+			if (count > MAX_CHUNK) {
+				size_t pos;
+				char *ptr2 = ptr;
+
+				for (pos = MAX_CHUNK; pos < count; pos += MAX_CHUNK) {
+					char chr = ptr[pos];
+
+					ptr[pos] = 0;
+					drm_info(&i915->drm, "[Capture/%d.%d] }%s{\n",
+						 l_count, line++, ptr2);
+					ptr[pos] = chr;
+					ptr2 = ptr + pos;
+
+					/*
+					 * If spewing large amounts of data via a serial console,
+					 * this can be a very slow process. So be friendly and try
+					 * not to cause 'softlockup on CPU' problems.
+					 */
+					cond_resched();
+				}
+
+				if (ptr2 < (ptr + count))
+					drm_info(&i915->drm, "[Capture/%d.%d] %c%s%c\n",
+						 l_count, line++, tag[0], ptr2, tag[1]);
+				else if (tag[0] == '>')
+					drm_info(&i915->drm, "[Capture/%d.%d] ><\n",
+						 l_count, line++);
+			} else {
+				drm_info(&i915->drm, "[Capture/%d.%d] %c%s%c\n",
+					 l_count, line++, tag[0], ptr, tag[1]);
+			}
+
+			ptr = next;
+			got -= count;
+			if (next) {
+				ptr++;
+				got--;
+			}
+
+			/* As above. */
+			cond_resched();
+		}
+
+		if (got)
+			drm_info(&i915->drm, "[Capture/%d.%d] Got %zd bytes remaining!\n",
+				 l_count, line++, got);
+	}
+
+	kvfree(buf);
+
+	drm_info(&i915->drm, "[Capture/%d.%d] Dumped %zd bytes\n", l_count, line++, pos_err);
+}
+#endif