Merge tag 'drm-intel-gt-next-2022-11-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Driver Changes:

- Fix for #7306: [Arc A380] white flickering when using arc as a
  secondary gpu (Matt A)
- Add Wa_18017747507 for DG2 (Wayne)
- Avoid spurious WARN on DG1 due to incorrect cache_dirty flag
  (Niranjana, Matt A)
- Corrections to CS timestamp support for Gen5 and earlier (Ville)

- Fix a build error used with clang compiler on hwmon (GG)
- Improvements to LMEM handling with RPM (Anshuman, Matt A)
- Cleanups in dmabuf code (Mike)

- Selftest improvements (Matt A)

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

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y2N11wu175p6qeEN@jlahtine-mobl.ger.corp.intel.com

1 files changed, 22 insertions, 21 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c
index 2eaeba14319e..e82a9d763e57 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
@@ -15,6 +15,7 @@
 #include "i915_trace.h"
 #include "i915_utils.h"
 #include "intel_gt.h"
+#include "intel_gt_mcr.h"
 #include "intel_gt_regs.h"
 #include "intel_gtt.h"
 
@@ -269,11 +270,7 @@ void i915_address_space_init(struct i915_address_space *vm, int subclass)
 	memset64(vm->min_alignment, I915_GTT_MIN_ALIGNMENT,
 		 ARRAY_SIZE(vm->min_alignment));
 
-	if (HAS_64K_PAGES(vm->i915) && NEEDS_COMPACT_PT(vm->i915) &&
-	    subclass == VM_CLASS_PPGTT) {
-		vm->min_alignment[INTEL_MEMORY_LOCAL] = I915_GTT_PAGE_SIZE_2M;
-		vm->min_alignment[INTEL_MEMORY_STOLEN_LOCAL] = I915_GTT_PAGE_SIZE_2M;
-	} else if (HAS_64K_PAGES(vm->i915)) {
+	if (HAS_64K_PAGES(vm->i915)) {
 		vm->min_alignment[INTEL_MEMORY_LOCAL] = I915_GTT_PAGE_SIZE_64K;
 		vm->min_alignment[INTEL_MEMORY_STOLEN_LOCAL] = I915_GTT_PAGE_SIZE_64K;
 	}
@@ -343,7 +340,8 @@ int setup_scratch_page(struct i915_address_space *vm)
 	 */
 	size = I915_GTT_PAGE_SIZE_4K;
 	if (i915_vm_is_4lvl(vm) &&
-	    HAS_PAGE_SIZES(vm->i915, I915_GTT_PAGE_SIZE_64K))
+	    HAS_PAGE_SIZES(vm->i915, I915_GTT_PAGE_SIZE_64K) &&
+	    !HAS_64K_PAGES(vm->i915))
 		size = I915_GTT_PAGE_SIZE_64K;
 
 	do {
@@ -385,18 +383,6 @@ skip:
 		if (size == I915_GTT_PAGE_SIZE_4K)
 			return -ENOMEM;
 
-		/*
-		 * If we need 64K minimum GTT pages for device local-memory,
-		 * like on XEHPSDV, then we need to fail the allocation here,
-		 * otherwise we can't safely support the insertion of
-		 * local-memory pages for this vm, since the HW expects the
-		 * correct physical alignment and size when the page-table is
-		 * operating in 64K GTT mode, which includes any scratch PTEs,
-		 * since userspace can still touch them.
-		 */
-		if (HAS_64K_PAGES(vm->i915))
-			return -ENOMEM;
-
 		size = I915_GTT_PAGE_SIZE_4K;
 	} while (1);
 }
@@ -493,6 +479,18 @@ static void tgl_setup_private_ppat(struct intel_uncore *uncore)
 	intel_uncore_write(uncore, GEN12_PAT_INDEX(7), GEN8_PPAT_WB);
 }
 
+static void xehp_setup_private_ppat(struct intel_gt *gt)
+{
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(0), GEN8_PPAT_WB);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(1), GEN8_PPAT_WC);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(2), GEN8_PPAT_WT);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(3), GEN8_PPAT_UC);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(4), GEN8_PPAT_WB);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(5), GEN8_PPAT_WB);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(6), GEN8_PPAT_WB);
+	intel_gt_mcr_multicast_write(gt, XEHP_PAT_INDEX(7), GEN8_PPAT_WB);
+}
+
 static void icl_setup_private_ppat(struct intel_uncore *uncore)
 {
 	intel_uncore_write(uncore,
@@ -585,13 +583,16 @@ static void chv_setup_private_ppat(struct intel_uncore *uncore)
 	intel_uncore_write(uncore, GEN8_PRIVATE_PAT_HI, upper_32_bits(pat));
 }
 
-void setup_private_pat(struct intel_uncore *uncore)
+void setup_private_pat(struct intel_gt *gt)
 {
-	struct drm_i915_private *i915 = uncore->i915;
+	struct intel_uncore *uncore = gt->uncore;
+	struct drm_i915_private *i915 = gt->i915;
 
 	GEM_BUG_ON(GRAPHICS_VER(i915) < 8);
 
-	if (GRAPHICS_VER(i915) >= 12)
+	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50))
+		xehp_setup_private_ppat(gt);
+	else if (GRAPHICS_VER(i915) >= 12)
 		tgl_setup_private_ppat(uncore);
 	else if (GRAPHICS_VER(i915) >= 11)
 		icl_setup_private_ppat(uncore);