From: Matthew Auld <[email protected]> LMEM should be allocated at 64K granularity, since 4K page support will eventually be dropped for LMEM when using the PPGTT.
Signed-off-by: Matthew Auld <[email protected]> Signed-off-by: Stuart Summers <[email protected]> Signed-off-by: Ayaz A Siddiqui <[email protected]> Cc: Joonas Lahtinen <[email protected]> Cc: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 4 +++- drivers/gpu/drm/i915/gt/intel_region_lmem.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index ddd37ccb1362..291fc3ec98de 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -780,6 +780,8 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, struct intel_memory_region *mem; resource_size_t io_start; resource_size_t lmem_size; + resource_size_t min_page_size = HAS_64K_PAGES(i915) ? + I915_GTT_PAGE_SIZE_64K : I915_GTT_PAGE_SIZE_4K; u64 lmem_base; lmem_base = intel_uncore_read64(uncore, GEN12_DSMBASE); @@ -790,7 +792,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, io_start = pci_resource_start(pdev, 2) + lmem_base; 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)) diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index a74b72f50cc9..4ea0ad9435df 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -195,6 +195,8 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) struct intel_memory_region *mem; resource_size_t io_start; resource_size_t lmem_size; + resource_size_t min_page_size = HAS_64K_PAGES(i915) ? + I915_GTT_PAGE_SIZE_64K : I915_GTT_PAGE_SIZE_4K; int err; if (!IS_DGFX(i915)) @@ -210,7 +212,7 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) mem = intel_memory_region_create(i915, 0, lmem_size, - I915_GTT_PAGE_SIZE_4K, + min_page_size, io_start, INTEL_MEMORY_LOCAL, 0, -- 2.26.2
