[PATCH v2 06/11] drm/i915/gt: Use pci_rebar_size_supported()

[Ilpo Järvinen]

PCI core provides pci_rebar_size_supported() that helps in checking if
a BAR Size is supported for the BAR or not. Use it in
i915_resize_lmem_bar() to simplify code.

Signed-off-by: Ilpo Järvinen <ilpo.jarvi...@linux.intel.com>
Acked-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/i915/gt/intel_region_lmem.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c 
b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
index 51bb27e10a4f..69c65fc8a72d 100644
--- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c
+++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
@@ -61,16 +61,12 @@ static void i915_resize_lmem_bar(struct drm_i915_private 
*i915, resource_size_t
        current_size = roundup_pow_of_two(pci_resource_len(pdev, 
GEN12_LMEM_BAR));
 
        if (i915->params.lmem_bar_size) {
-               u32 bar_sizes;
-
-               rebar_size = i915->params.lmem_bar_size *
-                       (resource_size_t)SZ_1M;
-               bar_sizes = pci_rebar_get_possible_sizes(pdev, GEN12_LMEM_BAR);
-
+               rebar_size = i915->params.lmem_bar_size * 
(resource_size_t)SZ_1M;
                if (rebar_size == current_size)
                        return;
 
-               if (!(bar_sizes & BIT(pci_rebar_bytes_to_size(rebar_size))) ||
+               if (!pci_rebar_size_supported(pdev, GEN12_LMEM_BAR,
+                                             
pci_rebar_bytes_to_size(rebar_size)) ||
                    rebar_size >= roundup_pow_of_two(lmem_size)) {
                        rebar_size = lmem_size;
 
-- 
2.39.5