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gpu: nvgpu: Remove mapping of comptags to user VA

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Remove the kernel feature to map compbit backing store areas to GPU VA.
The feature is not used, and the relevant user space code is getting
removed, too.

Change-Id: I94f8bb9145da872694fdc5d3eb3c1365b2f47945
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1547898
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
This commit is contained in:
Terje Bergstrom
2017-08-29 13:00:22 -07:00
committed by mobile promotions
parent d2dce545bb
commit bb457e675e
7 changed files with 4 additions and 355 deletions
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33
drivers/gpu/nvgpu/common/linux/ioctl_as.c
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@@ -227,31 +227,6 @@ static int gk20a_as_ioctl_get_va_regions(
return 0;
}
static int gk20a_as_ioctl_get_buffer_compbits_info(
struct gk20a_as_share *as_share,
struct nvgpu_as_get_buffer_compbits_info_args *args)
{
gk20a_dbg_fn("");
return nvgpu_vm_get_compbits_info(as_share->vm,
args->mapping_gva,
&args->compbits_win_size,
&args->compbits_win_ctagline,
&args->mapping_ctagline,
&args->flags);
}
static int gk20a_as_ioctl_map_buffer_compbits(
struct gk20a_as_share *as_share,
struct nvgpu_as_map_buffer_compbits_args *args)
{
gk20a_dbg_fn("");
return nvgpu_vm_map_compbits(as_share->vm,
args->mapping_gva,
&args->compbits_win_gva,
&args->mapping_iova,
args->flags);
}
int gk20a_as_dev_open(struct inode *inode, struct file *filp)
{
struct nvgpu_os_linux *l;
@@ -364,14 +339,6 @@ long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = gk20a_as_ioctl_get_va_regions(as_share,
(struct nvgpu_as_get_va_regions_args *)buf);
break;
case NVGPU_AS_IOCTL_GET_BUFFER_COMPBITS_INFO:
err = gk20a_as_ioctl_get_buffer_compbits_info(as_share,
(struct nvgpu_as_get_buffer_compbits_info_args *)buf);
break;
case NVGPU_AS_IOCTL_MAP_BUFFER_COMPBITS:
err = gk20a_as_ioctl_map_buffer_compbits(as_share,
(struct nvgpu_as_map_buffer_compbits_args *)buf);
break;
case NVGPU_AS_IOCTL_MAP_BUFFER_BATCH:
err = gk20a_as_ioctl_map_buffer_batch(as_share,
(struct nvgpu_as_map_buffer_batch_args *)buf);