drm/i915: s/HAS_BAR2_SMEM_STOLEN/HAS_LMEMBAR_SMEM_STOLEN/

The fact that LMEMBAR is BAR2 should be of no real interest
to anyone. So use the name of the BAR rather than its index.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221005154159.18750-3-ville.syrjala@linux.intel.comAcked-by: Matthew Auld <matthew.auld@intel.com>

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

@@ -79,7 +79,7 @@ void i915_gem_stolen_remove_node(struct drm_i915_private *i915,
 
 static bool valid_stolen_size(struct drm_i915_private *i915, struct resource *dsm)
 {
-	return (dsm->start != 0 || HAS_BAR2_SMEM_STOLEN(i915)) && dsm->end > dsm->start;
+	return (dsm->start != 0 || HAS_LMEMBAR_SMEM_STOLEN(i915)) && dsm->end > dsm->start;
 }
 
 static int adjust_stolen(struct drm_i915_private *i915,
@@ -151,9 +151,9 @@ static int request_smem_stolen(struct drm_i915_private *i915,
 	 * address range since it's local to the gpu.
 	 *
 	 * Starting MTL, in IGFX devices the stolen memory is exposed via
-	 * BAR2 and shall be considered similar to stolen lmem.
+	 * LMEMBAR and shall be considered similar to stolen lmem.
 	 */
-	if (HAS_LMEM(i915) || HAS_BAR2_SMEM_STOLEN(i915))
+	if (HAS_LMEM(i915) || HAS_LMEMBAR_SMEM_STOLEN(i915))
 		return 0;
 
 	/*
@@ -406,7 +406,7 @@ static void icl_get_stolen_reserved(struct drm_i915_private *i915,
 		MISSING_CASE(reg_val & GEN8_STOLEN_RESERVED_SIZE_MASK);
 	}
 
-	if (HAS_BAR2_SMEM_STOLEN(i915))
+	if (HAS_LMEMBAR_SMEM_STOLEN(i915))
 		/* the base is initialized to stolen top so subtract size to get base */
 		*base -= *size;
 	else
@@ -881,7 +881,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
 	if (!i915_pci_resource_valid(pdev, GEN12_LMEM_BAR))
 		return ERR_PTR(-ENXIO);
 
-	if (HAS_BAR2_SMEM_STOLEN(i915) || IS_DG1(i915)) {
+	if (HAS_LMEMBAR_SMEM_STOLEN(i915) || IS_DG1(i915)) {
 		lmem_size = pci_resource_len(pdev, GEN12_LMEM_BAR);
 	} else {
 		resource_size_t lmem_range;
@@ -891,7 +891,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
 		lmem_size *= SZ_1G;
 	}
 
-	if (HAS_BAR2_SMEM_STOLEN(i915)) {
+	if (HAS_LMEMBAR_SMEM_STOLEN(i915)) {
 		/*
 		 * MTL dsm size is in GGC register.
 		 * Also MTL uses offset to DSMBASE in ptes, so i915
@@ -917,7 +917,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
 	}
 
 	io_size = dsm_size;
-	if (HAS_BAR2_SMEM_STOLEN(i915)) {
+	if (HAS_LMEMBAR_SMEM_STOLEN(i915)) {
 		io_start = pci_resource_start(pdev, GEN12_LMEM_BAR) + SZ_8M;
 	} else if (pci_resource_len(pdev, GEN12_LMEM_BAR) < lmem_size) {
 		io_start = 0;

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

@@ -931,7 +931,7 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
 	unsigned int size;
 	u16 snb_gmch_ctl;
 
-	if (!HAS_LMEM(i915) && !HAS_BAR2_SMEM_STOLEN(i915)) {
+	if (!HAS_LMEM(i915) && !HAS_LMEMBAR_SMEM_STOLEN(i915)) {
 		if (!i915_pci_resource_valid(pdev, GEN4_GMADR_BAR))
 			return -ENXIO;
 

drivers/gpu/drm/i915/i915_drv.h

@@ -970,8 +970,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 
 #define HAS_ONE_EU_PER_FUSE_BIT(i915)	(INTEL_INFO(i915)->has_one_eu_per_fuse_bit)
 
-#define HAS_BAR2_SMEM_STOLEN(i915) (!HAS_LMEM(i915) && \
-				    GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+#define HAS_LMEMBAR_SMEM_STOLEN(i915) (!HAS_LMEM(i915) && \
+				       GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
 
 /* intel_device_info.c */
 static inline struct intel_device_info *