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| author | Matthew Auld <matthew.auld@intel.com> | 2022-02-25 17:54:56 +0300 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-02-28 11:47:27 +0300 |
| commit | 235582ca96214b50fa03ea77a5e85e59d94cf358 (patch) | |
| tree | 088e7fa89caf84cb4e1a5f02b37d6fc3e1d6924f /drivers/gpu/drm/i915/intel_memory_region.h | |
| parent | d2cc01e1794bd13199f7568298614f1bdcea1683 (diff) | |
| download | linux-235582ca96214b50fa03ea77a5e85e59d94cf358.tar.xz | |
drm/i915: add io_size plumbing
With small LMEM-BAR we need to be able to differentiate between the
total size of LMEM, and how much of it is CPU mappable. The end goal is
to be able to utilize the entire range, even if part of is it not CPU
accessible.
v2: also update intelfb_create
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225145502.331818-1-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 06464b8865fc..21dcbd620758 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -68,6 +68,7 @@ struct intel_memory_region { struct resource region; resource_size_t io_start; + resource_size_t io_size; resource_size_t min_page_size; resource_size_t total; resource_size_t avail; @@ -98,6 +99,7 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + resource_size_t io_size, u16 type, u16 instance, const struct intel_memory_region_ops *ops); |