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drm/msm: support multiple address spaces

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We can have various combinations of 64b and 32b address space, ie. 64b
CPU but 32b display and gpu, or 64b CPU and GPU but 32b display.  So
best to decouple the device iova's from mmap offset.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2016-09-28 19:58:32 -04:00
parent 394da4b8f3
commit 667ce33e57
16 changed files with 208 additions and 80 deletions
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2
drivers/gpu/drm/msm/msm_gpu.h
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@@ -98,7 +98,7 @@ struct msm_gpu {
void __iomem *mmio;
int irq;
struct msm_mmu *mmu;
struct msm_gem_address_space *aspace;
int id;
/* Power Control: */