Am Freitag, den 09.06.2017, 12:21 +0200 schrieb Christian Gmeiner:
> This commits extends etnaviv_gpu_cmdbuf_new(..) to define the number
> of struct etnaviv_perfmon elements gets stored.
>
> Signed-off-by: Christian Gmeiner <christian.gmei...@gmail.com>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c | 13 ++++++++++++-
> drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h | 2 +-
> drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 2 +-
> drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 2 +-
> 4 files changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> index 633e0f0..bb3f82e 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
> @@ -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 +100,14 @@ 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) {
> + kfree(cmdbuf);
> + return NULL;
> + }
While this is okay as-is, I have some more additions to this code
planned, so I would appreciate if you could change this into a "goto
out_free_cmdbuf" and move this down to the end of the function.
Regards,
Lucas
> + cmdbuf->pmrs = pmrs;
> cmdbuf->suballoc = suballoc;
> cmdbuf->size = size;
>
> @@ -139,6 +149,7 @@ 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);
> }
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h
> b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h
> index 1b549f0..b6348b9 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h
> @@ -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);
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> index de80ee1..fdfe31d 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> @@ -350,7 +350,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device
> *dev, void *data,
> stream = drm_malloc_ab(1, args->stream_size);
> 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;
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index ada45fd..037087e 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -721,7 +721,7 @@ 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");
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