Driver Changes:

- Make an ops struct static
 - Fix an implicit 0 to NULL conversion
 - A couple of 32-bit fixes
 - A migration coherency fix for Lunar Lake.
 - An error path vm id leak fix
 - Remove PVC references in kunit tests
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQRskUM7w1oG5rx2IZO4FpNVCsYGvwUCZbIZgQAKCRC4FpNVCsYG
 v280AP90WBOaNCF5f07YQQZzdO9s442BKnMs0gYrNY8Ca/Z/GwD9FiMcyvXtGf9x
 ovhdreJvXaK2zv9nUtcK5qJ4MVr+awI=
 =bAQt
 -----END PGP SIGNATURE-----

Merge tag 'drm-xe-fixes-2024-01-25' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Driver Changes:
- Make an ops struct static
- Fix an implicit 0 to NULL conversion
- A couple of 32-bit fixes
- A migration coherency fix for Lunar Lake.
- An error path vm id leak fix
- Remove PVC references in kunit tests

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

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZbIb7l0EhpVp5cXE@fedora

drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h

@@ -35,12 +35,10 @@ static inline int i915_gem_object_read_from_page(struct xe_bo *bo,
 					  u32 ofs, u64 *ptr, u32 size)
 {
 	struct ttm_bo_kmap_obj map;
-	void *virtual;
+	void *src;
 	bool is_iomem;
 	int ret;
 
-	XE_WARN_ON(size != 8);
-
 	ret = xe_bo_lock(bo, true);
 	if (ret)
 		return ret;
@@ -50,11 +48,12 @@ static inline int i915_gem_object_read_from_page(struct xe_bo *bo,
 		goto out_unlock;
 
 	ofs &= ~PAGE_MASK;
-	virtual = ttm_kmap_obj_virtual(&map, &is_iomem);
+	src = ttm_kmap_obj_virtual(&map, &is_iomem);
+	src += ofs;
 	if (is_iomem)
-		*ptr = readq((void __iomem *)(virtual + ofs));
+		memcpy_fromio(ptr, (void __iomem *)src, size);
 	else
-		*ptr = *(u64 *)(virtual + ofs);
+		memcpy(ptr, src, size);
 
 	ttm_bo_kunmap(&map);
 out_unlock:

drivers/gpu/drm/xe/tests/xe_wa_test.c

@@ -74,9 +74,6 @@ static const struct platform_test_case cases[] = {
 	SUBPLATFORM_CASE(DG2, G11, B1),
 	SUBPLATFORM_CASE(DG2, G12, A0),
 	SUBPLATFORM_CASE(DG2, G12, A1),
-	PLATFORM_CASE(PVC, B0),
-	PLATFORM_CASE(PVC, B1),
-	PLATFORM_CASE(PVC, C0),
 	GMDID_CASE(METEORLAKE, 1270, A0, 1300, A0),
 	GMDID_CASE(METEORLAKE, 1271, A0, 1300, A0),
 	GMDID_CASE(LUNARLAKE, 2004, A0, 2000, A0),

drivers/gpu/drm/xe/xe_device.c

@@ -613,7 +613,7 @@ void xe_device_wmb(struct xe_device *xe)
 u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size)
 {
 	return xe_device_has_flat_ccs(xe) ?
-		DIV_ROUND_UP(size, NUM_BYTES_PER_CCS_BYTE(xe)) : 0;
+		DIV_ROUND_UP_ULL(size, NUM_BYTES_PER_CCS_BYTE(xe)) : 0;
 }
 
 bool xe_device_mem_access_ongoing(struct xe_device *xe)

drivers/gpu/drm/xe/xe_dma_buf.c

@@ -175,7 +175,7 @@ static int xe_dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
 	return 0;
 }
 
-const struct dma_buf_ops xe_dmabuf_ops = {
+static const struct dma_buf_ops xe_dmabuf_ops = {
 	.attach = xe_dma_buf_attach,
 	.detach = xe_dma_buf_detach,
 	.pin = xe_dma_buf_pin,

drivers/gpu/drm/xe/xe_hwmon.c

@@ -419,7 +419,7 @@ static int xe_hwmon_pcode_read_i1(struct xe_gt *gt, u32 *uval)
 
 	return xe_pcode_read(gt, PCODE_MBOX(PCODE_POWER_SETUP,
 			     POWER_SETUP_SUBCOMMAND_READ_I1, 0),
-			     uval, 0);
+			     uval, NULL);
 }
 
 static int xe_hwmon_pcode_write_i1(struct xe_gt *gt, u32 uval)

drivers/gpu/drm/xe/xe_migrate.c

@@ -472,7 +472,7 @@ static void emit_pte(struct xe_migrate *m,
 	/* Indirect access needs compression enabled uncached PAT index */
 	if (GRAPHICS_VERx100(xe) >= 2000)
 		pat_index = is_comp_pte ? xe->pat.idx[XE_CACHE_NONE_COMPRESSION] :
-					  xe->pat.idx[XE_CACHE_NONE];
+					  xe->pat.idx[XE_CACHE_WB];
 	else
 		pat_index = xe->pat.idx[XE_CACHE_WB];
 
@@ -760,14 +760,14 @@ struct dma_fence *xe_migrate_copy(struct xe_migrate *m,
 		if (src_is_vram && xe_migrate_allow_identity(src_L0, &src_it))
 			xe_res_next(&src_it, src_L0);
 		else
-			emit_pte(m, bb, src_L0_pt, src_is_vram, true, &src_it, src_L0,
-				 src);
+			emit_pte(m, bb, src_L0_pt, src_is_vram, copy_system_ccs,
+				 &src_it, src_L0, src);
 
 		if (dst_is_vram && xe_migrate_allow_identity(src_L0, &dst_it))
 			xe_res_next(&dst_it, src_L0);
 		else
-			emit_pte(m, bb, dst_L0_pt, dst_is_vram, true, &dst_it, src_L0,
-				 dst);
+			emit_pte(m, bb, dst_L0_pt, dst_is_vram, copy_system_ccs,
+				 &dst_it, src_L0, dst);
 
 		if (copy_system_ccs)
 			emit_pte(m, bb, ccs_pt, false, false, &ccs_it, ccs_size, src);
@@ -1009,8 +1009,8 @@ struct dma_fence *xe_migrate_clear(struct xe_migrate *m,
 		if (clear_vram && xe_migrate_allow_identity(clear_L0, &src_it))
 			xe_res_next(&src_it, clear_L0);
 		else
-			emit_pte(m, bb, clear_L0_pt, clear_vram, true, &src_it, clear_L0,
-				 dst);
+			emit_pte(m, bb, clear_L0_pt, clear_vram, clear_system_ccs,
+				 &src_it, clear_L0, dst);
 
 		bb->cs[bb->len++] = MI_BATCH_BUFFER_END;
 		update_idx = bb->len;

drivers/gpu/drm/xe/xe_mmio.c

@@ -272,8 +272,8 @@ int xe_mmio_probe_vram(struct xe_device *xe)
 		drm_info(&xe->drm, "VRAM[%u, %u]: Actual physical size %pa, usable size exclude stolen %pa, CPU accessible size %pa\n", id,
 			 tile->id, &tile->mem.vram.actual_physical_size, &tile->mem.vram.usable_size, &tile->mem.vram.io_size);
 		drm_info(&xe->drm, "VRAM[%u, %u]: DPA range: [%pa-%llx], io range: [%pa-%llx]\n", id, tile->id,
-			 &tile->mem.vram.dpa_base, tile->mem.vram.dpa_base + tile->mem.vram.actual_physical_size,
-			 &tile->mem.vram.io_start, tile->mem.vram.io_start + tile->mem.vram.io_size);
+			 &tile->mem.vram.dpa_base, tile->mem.vram.dpa_base + (u64)tile->mem.vram.actual_physical_size,
+			 &tile->mem.vram.io_start, tile->mem.vram.io_start + (u64)tile->mem.vram.io_size);
 
 		/* calculate total size using tile size to get the correct HW sizing */
 		total_size += tile_size;

drivers/gpu/drm/xe/xe_vm.c

@@ -1855,10 +1855,8 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data,
 	mutex_lock(&xef->vm.lock);
 	err = xa_alloc(&xef->vm.xa, &id, vm, xa_limit_32b, GFP_KERNEL);
 	mutex_unlock(&xef->vm.lock);
-	if (err) {
-		xe_vm_close_and_put(vm);
-		return err;
-	}
+	if (err)
+		goto err_close_and_put;
 
 	if (xe->info.has_asid) {
 		mutex_lock(&xe->usm.lock);
@@ -1866,11 +1864,9 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data,
 				      XA_LIMIT(1, XE_MAX_ASID - 1),
 				      &xe->usm.next_asid, GFP_KERNEL);
 		mutex_unlock(&xe->usm.lock);
-		if (err < 0) {
-			xe_vm_close_and_put(vm);
-			return err;
-		}
-		err = 0;
+		if (err < 0)
+			goto err_free_id;
+
 		vm->usm.asid = asid;
 	}
 
@@ -1888,6 +1884,15 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data,
 #endif
 
 	return 0;
+
+err_free_id:
+	mutex_lock(&xef->vm.lock);
+	xa_erase(&xef->vm.xa, id);
+	mutex_unlock(&xef->vm.lock);
+err_close_and_put:
+	xe_vm_close_and_put(vm);
+
+	return err;
 }
 
 int xe_vm_destroy_ioctl(struct drm_device *dev, void *data,