xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/msm: convert iova to 64b

Browse Source 
For a5xx the gpu is 64b so we need to change iova to 64b everywhere.  On
the display side, iova is still 32b so it can ignore the upper bits.
(Although all the armv8 devices have an iommu that can map 64b pa to 32b
iova.)

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2016-11-11 12:06:46 -05:00
parent c83ea57601
commit 78babc1633
15 changed files with 34 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/msm/msm_gpu.c
View File

@@ -528,7 +528,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
for (i = 0; i < submit->nr_bos; i++) {
struct msm_gem_object *msm_obj = submit->bos[i].obj;
uint32_t iova;
uint64_t iova;
/* can't happen yet.. but when we add 2d support we'll have
* to deal w/ cross-ring synchronization: