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drm/xe: Populate GT's mmio iomap from tile during init

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[ Upstream commit fa599b8c95 ]

Each GT should share the same register iomap as its parent tile.  Future
patches will switch to access the iomap through the GT's mmio substruct
rather than through the tile.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240910234719.3335472-50-matthew.d.roper@intel.com
Stable-dep-of: 4a9b4e1fa5 ("drm/xe/mmio: Avoid double-adjust in 64-bit reads")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Matt Roper
2024-09-10 16:47:25 -07:00
committed by Sasha Levin
parent 85354b21a5
commit 0b433e086b
1 changed files with 4 additions and 0 deletions
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drivers/gpu/drm/xe/xe_pci.c
+4
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@@ -708,6 +708,8 @@ static int xe_info_init(struct xe_device *xe,
gt->info.type = XE_GT_TYPE_MAIN;
gt->info.has_indirect_ring_state = graphics_desc->has_indirect_ring_state;
gt->info.engine_mask = graphics_desc->hw_engine_mask;
gt->mmio.regs = tile->mmio.regs;
gt->mmio.regs_size = tile->mmio.regs_size;
if (MEDIA_VER(xe) < 13 && media_desc)
gt->info.engine_mask |= media_desc->hw_engine_mask;
@@ -726,6 +728,8 @@ static int xe_info_init(struct xe_device *xe,
gt->info.type = XE_GT_TYPE_MEDIA;
gt->info.has_indirect_ring_state = media_desc->has_indirect_ring_state;
gt->info.engine_mask = media_desc->hw_engine_mask;
gt->mmio.regs = tile->mmio.regs;
gt->mmio.regs_size = tile->mmio.regs_size;
gt->mmio.adj_offset = MEDIA_GT_GSI_OFFSET;
gt->mmio.adj_limit = MEDIA_GT_GSI_LENGTH;