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| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-03-19 01:39:33 +0200 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-03-21 08:37:36 +0000 |
| commit | bec68cc9ea42d853f00da347793cefe49575a574 (patch) | |
| tree | 33b81eac9402d608a83d0409727fdca040969f5b /drivers/gpu/drm/i915/intel_memory_region.h | |
| parent | b9741faadbd64db562a85dc79b31b85fa354eeb5 (diff) | |
| download | lwn-bec68cc9ea42d853f00da347793cefe49575a574.tar.gz lwn-bec68cc9ea42d853f00da347793cefe49575a574.zip | |
drm/i915: Prepare for multiple GTs
On a multi-tile platform, each tile has its own registers + GGTT
space, and BAR 0 is extended to cover all of them.
Up to four GTs are supported in i915->gt[], with slot zero
shadowing the existing i915->gt0 to enable source compatibility
with legacy driver paths. A for_each_gt macro is added to iterate
over the GTs and will be used by upcoming patches that convert
various parts of the driver to be multi-gt aware.
Only the primary/root tile is initialized for now; the other
tiles will be detected and plugged in by future patches once the
necessary infrastructure is in place to handle them.
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220318233938.149744-4-andi.shyti@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 92a821c25941..2d84aff53efd 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -30,6 +30,9 @@ enum intel_memory_type { enum intel_region_id { INTEL_REGION_SMEM = 0, INTEL_REGION_LMEM_0, + INTEL_REGION_LMEM_1, + INTEL_REGION_LMEM_2, + INTEL_REGION_LMEM_3, INTEL_REGION_STOLEN_SMEM, INTEL_REGION_STOLEN_LMEM, INTEL_REGION_UNKNOWN, /* Should be last */ |