diff options
| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-06-02 10:38:08 +0200 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2021-06-02 13:21:24 +0100 |
| commit | d148738923fdb5077089e48ec15555e6008100d0 (patch) | |
| tree | 953dfd00a68894481fbb6784545632620ea2751d /drivers/gpu/drm/i915/gt/intel_region_lmem.c | |
| parent | 0e4fe0c9f2f981f26e01b73f3c465ca314c4f9c0 (diff) | |
| download | linux-d148738923fdb5077089e48ec15555e6008100d0.tar.gz | |
drm/i915/ttm Initialize the ttm device and memory managers
Temporarily remove the buddy allocator and related selftests
and hook up the TTM range manager for i915 regions.
Also modify the mock region selftests somewhat to account for a
fragmenting manager.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210602083818.241793-2-thomas.hellstrom@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_region_lmem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_region_lmem.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index 73fceb0c25fc..f7366b054f8e 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -5,6 +5,8 @@ #include "i915_drv.h" #include "intel_memory_region.h" +#include "intel_region_lmem.h" +#include "intel_region_ttm.h" #include "gem/i915_gem_lmem.h" #include "gem/i915_gem_region.h" #include "intel_region_lmem.h" @@ -66,9 +68,9 @@ static void release_fake_lmem_bar(struct intel_memory_region *mem) static void region_lmem_release(struct intel_memory_region *mem) { - release_fake_lmem_bar(mem); + intel_region_ttm_fini(mem); io_mapping_fini(&mem->iomap); - intel_memory_region_release_buddy(mem); + release_fake_lmem_bar(mem); } static int @@ -83,12 +85,21 @@ region_lmem_init(struct intel_memory_region *mem) if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) - return -EIO; + resource_size(&mem->region))) { + ret = -EIO; + goto out_no_io; + } - ret = intel_memory_region_init_buddy(mem); + ret = intel_region_ttm_init(mem); if (ret) - io_mapping_fini(&mem->iomap); + goto out_no_buddy; + + return 0; + +out_no_buddy: + io_mapping_fini(&mem->iomap); +out_no_io: + release_fake_lmem_bar(mem); return ret; } @@ -127,6 +138,8 @@ intel_gt_setup_fake_lmem(struct intel_gt *gt) mappable_end, PAGE_SIZE, io_start, + INTEL_MEMORY_LOCAL, + 0, &intel_region_lmem_ops); if (!IS_ERR(mem)) { drm_info(&i915->drm, "Intel graphics fake LMEM: %pR\n", @@ -198,6 +211,8 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) lmem_size, I915_GTT_PAGE_SIZE_4K, io_start, + INTEL_MEMORY_LOCAL, + 0, &intel_region_lmem_ops); if (IS_ERR(mem)) return mem; |