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drm/i915/xehpsdv: set min page-size to 64K

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Conditionally allocate LMEM with 64K granularity, since 4K page support
for LMEM will be dropped on some platforms when using the PPGTT.

v2:
  updated commit msg [Thomas]

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211208154854.28037-1-ramalingam.c@intel.com
This commit is contained in:
Matthew Auld 2021-12-08 21:18:54 +05:30 committed by Ramalingam C
parent c83125bb21
commit ca92162460
2 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/gem/i915_gem_stolen.c
View File

@ -780,6 +780,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
struct intel_uncore *uncore = &i915->uncore;
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
struct intel_memory_region *mem;
resource_size_t min_page_size;
resource_size_t io_start;
resource_size_t lmem_size;
u64 lmem_base;
@ -791,8 +792,11 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
lmem_size = pci_resource_len(pdev, 2) - lmem_base;
io_start = pci_resource_start(pdev, 2) + lmem_base;
min_page_size = HAS_64K_PAGES(i915) ? I915_GTT_PAGE_SIZE_64K :
I915_GTT_PAGE_SIZE_4K;
mem = intel_memory_region_create(i915, lmem_base, lmem_size,
I915_GTT_PAGE_SIZE_4K, io_start,
min_page_size, io_start,
type, instance,
&i915_region_stolen_lmem_ops);
if (IS_ERR(mem))

5
drivers/gpu/drm/i915/gt/intel_region_lmem.c
View File

@ -197,6 +197,7 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt)
struct intel_uncore *uncore = gt->uncore;
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
struct intel_memory_region *mem;
resource_size_t min_page_size;
resource_size_t io_start;
resource_size_t lmem_size;
int err;
@ -211,10 +212,12 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt)
if (GEM_WARN_ON(lmem_size > pci_resource_len(pdev, 2)))
return ERR_PTR(-ENODEV);
min_page_size = HAS_64K_PAGES(i915) ? I915_GTT_PAGE_SIZE_64K :
I915_GTT_PAGE_SIZE_4K;
mem = intel_memory_region_create(i915,
0,
lmem_size,
I915_GTT_PAGE_SIZE_4K,
min_page_size,
io_start,
INTEL_MEMORY_LOCAL,
0,