drm/i915: drop cast from DEFINE_RES_MEM() usage

Since commit 52c4d11f ("resource: Convert DEFINE_RES_NAMED() to be
compound literal") it's no longer necessary to cast DEFINE_RES_MEM() to
struct resource.

This also fixes sparse warnings "cast from non-scalar" and "cast to
non-scalar".
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230116173422.1858527-2-jani.nikula@intel.com

drivers/gpu/drm/i915/gem/i915_gem_stolen.c

@@ -110,9 +110,7 @@ static int adjust_stolen(struct drm_i915_private *i915,
 		else
 			ggtt_start &= PGTBL_ADDRESS_LO_MASK;
 
-		ggtt_res =
-			(struct resource) DEFINE_RES_MEM(ggtt_start,
-							 ggtt_total_entries(ggtt) * 4);
+		ggtt_res = DEFINE_RES_MEM(ggtt_start, ggtt_total_entries(ggtt) * 4);
 
 		if (ggtt_res.start >= stolen[0].start && ggtt_res.start < stolen[0].end)
 			stolen[0].end = ggtt_res.start;
@@ -471,8 +469,7 @@ static int init_reserved_stolen(struct drm_i915_private *i915)
 		goto bail_out;
 	}
 
-	i915->dsm.reserved =
-		(struct resource)DEFINE_RES_MEM(reserved_base, reserved_size);
+	i915->dsm.reserved = DEFINE_RES_MEM(reserved_base, reserved_size);
 
 	if (!resource_contains(&i915->dsm.stolen, &i915->dsm.reserved)) {
 		drm_err(&i915->drm,
@@ -485,8 +482,7 @@ static int init_reserved_stolen(struct drm_i915_private *i915)
 	return 0;
 
 bail_out:
-	i915->dsm.reserved =
-		(struct resource)DEFINE_RES_MEM(reserved_base, 0);
+	i915->dsm.reserved = DEFINE_RES_MEM(reserved_base, 0);
 
 	return ret;
 }

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

@@ -920,8 +920,8 @@ static void gen6_gmch_remove(struct i915_address_space *vm)
 
 static struct resource pci_resource(struct pci_dev *pdev, int bar)
 {
-	return (struct resource)DEFINE_RES_MEM(pci_resource_start(pdev, bar),
-					       pci_resource_len(pdev, bar));
+	return DEFINE_RES_MEM(pci_resource_start(pdev, bar),
+			      pci_resource_len(pdev, bar));
 }
 
 static int gen8_gmch_probe(struct i915_ggtt *ggtt)

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

@@ -89,8 +89,7 @@ int intel_ggtt_gmch_probe(struct i915_ggtt *ggtt)
 
 	intel_gmch_gtt_get(&ggtt->vm.total, &gmadr_base, &ggtt->mappable_end);
 
-	ggtt->gmadr =
-		(struct resource)DEFINE_RES_MEM(gmadr_base, ggtt->mappable_end);
+	ggtt->gmadr = DEFINE_RES_MEM(gmadr_base, ggtt->mappable_end);
 
 	ggtt->vm.alloc_pt_dma = alloc_pt_dma;
 	ggtt->vm.alloc_scratch_dma = alloc_pt_dma;

drivers/gpu/drm/i915/intel_memory_region.c

@@ -235,7 +235,7 @@ intel_memory_region_create(struct drm_i915_private *i915,
 		return ERR_PTR(-ENOMEM);
 
 	mem->i915 = i915;
-	mem->region = (struct resource)DEFINE_RES_MEM(start, size);
+	mem->region = DEFINE_RES_MEM(start, size);
 	mem->io_start = io_start;
 	mem->io_size = io_size;
 	mem->min_page_size = min_page_size;

drivers/gpu/drm/i915/selftests/mock_gtt.c

@@ -112,7 +112,7 @@ void mock_init_ggtt(struct intel_gt *gt)
 	ggtt->vm.i915 = gt->i915;
 	ggtt->vm.is_ggtt = true;
 
-	ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
+	ggtt->gmadr = DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
 	ggtt->mappable_end = resource_size(&ggtt->gmadr);
 	ggtt->vm.total = 4096 * PAGE_SIZE;