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gpu: nvgpu: Separate vidmem alloc from Linux code

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Split the core vidmem allocation from the Linux component of vidmem
allocation. The core vidmem allocation allocates the nvgpu_mem struct
that defines the vidmem buffer in the core MM code. The Linux code
now allocates some Linux specific stuff (dma_buf, etc) and also
allocates the core vidmem buf.

JIRA NVGPU-30
JIRA NVGPU-138

Change-Id: I88e87e0abd5ec714610eacc6eac17e148bcee3ce
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1540708
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2017-08-17 16:16:49 -07:00
committed by mobile promotions
parent 88d5f6b415
commit 59e4089278
7 changed files with 221 additions and 81 deletions
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8
drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
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@@ -26,6 +26,9 @@
#include <nvgpu/bug.h>
#include <nvgpu/bus.h>
#include <nvgpu/vidmem.h>
#include <nvgpu/log.h>
#include <nvgpu/linux/vidmem.h>
#include "ioctl_ctrl.h"
#include "ioctl_tsg.h"
@@ -33,9 +36,8 @@
#include "gk20a/gk20a.h"
#include "gk20a/platform_gk20a.h"
#include "gk20a/fence_gk20a.h"
#include "os_linux.h"
#include <nvgpu/log.h>
#include "os_linux.h"
#define HZ_TO_MHZ(a) ((a > 0xF414F9CD7ULL) ? 0xffff : (a >> 32) ? \
(u32) ((a * 0x10C8ULL) >> 32) : (u16) ((u32) a/MHZ))
@@ -693,7 +695,7 @@ static int nvgpu_gpu_alloc_vidmem(struct gk20a *g,
return -EINVAL;
}
fd = nvgpu_vidmem_buf_alloc(g, args->in.size);
fd = nvgpu_vidmem_export_linux(g, args->in.size);
if (fd < 0)
return fd;