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drm/etnaviv: extend etnaviv_gpu_cmdbuf_new(..) with nr_pmrs

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This commits extends etnaviv_gpu_cmdbuf_new(..) to define the number
of struct etnaviv_perfmon elements gets used.

Changes from v1 -> v2:
- make use of goto as requested by Lucas

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Christian Gmeiner 2017-09-24 15:15:24 +02:00 committed by Lucas Stach
parent 8d3d56cef4
commit 4fc3e66adb
4 changed files with 17 additions and 4 deletions
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15
drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
View File

@ -19,6 +19,7 @@
#include "etnaviv_cmdbuf.h"
#include "etnaviv_gpu.h"
#include "etnaviv_mmu.h"
#include "etnaviv_perfmon.h"
#define SUBALLOC_SIZE SZ_256K
#define SUBALLOC_GRANULE SZ_4K
@ -87,9 +88,10 @@ void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc)
struct etnaviv_cmdbuf *
etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size,
size_t nr_bos)
size_t nr_bos, size_t nr_pmrs)
{
struct etnaviv_cmdbuf *cmdbuf;
struct etnaviv_perfmon_request *pmrs;
size_t sz = size_vstruct(nr_bos, sizeof(cmdbuf->bo_map[0]),
sizeof(*cmdbuf));
int granule_offs, order, ret;
@ -98,6 +100,12 @@ etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size,
if (!cmdbuf)
return NULL;
sz = sizeof(*pmrs) * nr_pmrs;
pmrs = kzalloc(sz, GFP_KERNEL);
if (!pmrs)
goto out_free_cmdbuf;
cmdbuf->pmrs = pmrs;
cmdbuf->suballoc = suballoc;
cmdbuf->size = size;
@ -124,6 +132,10 @@ retry:
cmdbuf->vaddr = suballoc->vaddr + cmdbuf->suballoc_offset;
return cmdbuf;
out_free_cmdbuf:
kfree(cmdbuf);
return NULL;
}
void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf)
@ -139,6 +151,7 @@ void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf)
suballoc->free_space = 1;
mutex_unlock(&suballoc->lock);
wake_up_all(&suballoc->free_event);
kfree(cmdbuf->pmrs);
kfree(cmdbuf);
}

2
drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h
View File

@ -53,7 +53,7 @@ void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
struct etnaviv_cmdbuf *
etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size,
size_t nr_bos);
size_t nr_bos, size_t nr_pmrs);
void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf);

2
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
View File

@ -350,7 +350,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
stream = kvmalloc_array(1, args->stream_size, GFP_KERNEL);
cmdbuf = etnaviv_cmdbuf_new(gpu->cmdbuf_suballoc,
ALIGN(args->stream_size, 8) + 8,
args->nr_bos);
args->nr_bos, 0);
if (!bos || !relocs || !stream || !cmdbuf) {
ret = -ENOMEM;
goto err_submit_cmds;

2
drivers/gpu/drm/etnaviv/etnaviv_gpu.c
View File

@ -726,7 +726,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
}
/* Create buffer: */
gpu->buffer = etnaviv_cmdbuf_new(gpu->cmdbuf_suballoc, PAGE_SIZE, 0);
gpu->buffer = etnaviv_cmdbuf_new(gpu->cmdbuf_suballoc, PAGE_SIZE, 0, 0);
if (!gpu->buffer) {
ret = -ENOMEM;
dev_err(gpu->dev, "could not create command buffer\n");