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gpu: nvgpu: initial support for vidmem apertures

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add gk20a_aperture_mask() for memory target selection now that buffers
can actually be allocated from vidmem, and use it in all cases that have
a mem_desc available.

Jira DNVGPU-76

Change-Id: I4353cdc6e1e79488f0875581cfaf2a5cfb8c976a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1169306
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Konsta Holtta
2016-06-17 15:51:02 +03:00
committed by Terje Bergstrom
parent cd5a1dc315
commit e12c5c8594
9 changed files with 105 additions and 82 deletions
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4
drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
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@@ -2751,8 +2751,8 @@ static int gk20a_fifo_update_runlist_locked(struct gk20a *g, u32 runlist_id,
if (count != 0) {
gk20a_writel(g, fifo_runlist_base_r(),
fifo_runlist_base_ptr_f(u64_lo32(runlist_iova >> 12)) |
(g->mm.vidmem_is_vidmem ?
fifo_runlist_base_target_sys_mem_ncoh_f() :
gk20a_aperture_mask(g, &runlist->mem[new_buf],
fifo_runlist_base_target_sys_mem_ncoh_f(),
fifo_runlist_base_target_vid_mem_f()));
}