From: Matthew Auld <matthew.auld@xxxxxxxxx> 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@xxxxxxxxx> Signed-off-by: Stuart Summers <stuart.summers@xxxxxxxxx> Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Reviewed-by: Thomas Hellstrom <thomas.hellstrom@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 6 +++++- drivers/gpu/drm/i915/gt/intel_region_lmem.c | 5 ++++- 2 files changed, 9 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 bce03d74a0b4..ba90ab47d838 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -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)) diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index 9ea49e0a27c0..fde2dcb59809 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -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, -- 2.20.1
