[PATCH] drm/amdkfd: Don't report local memory size

[PATCH] drm/amdkfd: Don't report local memory size

[Oded Gabbay]

This patch sets the local memory size that is reported to userspace to 0.
This is done to make sure that userspace won't try to allocate local memory
for HSA.

As long as amdkfd doesn't support allocating local memory for HSA,
we need this patch.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 661c660..e469c4b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -728,9 +728,9 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
 		sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute",
 			dev->gpu->kfd2kgd->get_max_engine_clock_in_mhz(
 					dev->gpu->kgd));
+
 		sysfs_show_64bit_prop(buffer, "local_mem_size",
-			dev->gpu->kfd2kgd->get_vmem_size(
-					dev->gpu->kgd));
+				(unsigned long long int) 0);
 
 		sysfs_show_32bit_prop(buffer, "fw_version",
 			dev->gpu->kfd2kgd->get_fw_version(
-- 
1.9.1

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Re: [PATCH] drm/amdkfd: Don't report local memory size

[Alex Deucher]

On Tue, May 5, 2015 at 4:40 AM, Oded Gabbay <oded.gabbay@gmail.com> wrote:
> This patch sets the local memory size that is reported to userspace to 0.
> This is done to make sure that userspace won't try to allocate local memory
> for HSA.
>
> As long as amdkfd doesn't support allocating local memory for HSA,
> we need this patch.
>
> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> index 661c660..e469c4b 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> @@ -728,9 +728,9 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
>                 sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute",
>                         dev->gpu->kfd2kgd->get_max_engine_clock_in_mhz(
>                                         dev->gpu->kgd));
> +
>                 sysfs_show_64bit_prop(buffer, "local_mem_size",
> -                       dev->gpu->kfd2kgd->get_vmem_size(
> -                                       dev->gpu->kgd));
> +                               (unsigned long long int) 0);
>
>                 sysfs_show_32bit_prop(buffer, "fw_version",
>                         dev->gpu->kfd2kgd->get_fw_version(
> --
> 1.9.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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[PATCH] drm/amdkfd: Don't report local memory size

[Oded Gabbay]

commit 42e08c78360e ("drm/amdkfd: Don't report local memory size")
upstream.

This patch sets the local memory size that is reported to userspace to 0.
This is done to make sure that userspace won't try to allocate local memory
for HSA.

As long as amdkfd doesn't support allocating local memory for HSA,
we need this patch.

Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 4983993..406624a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -729,7 +729,7 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
 				kfd2kgd->get_max_engine_clock_in_mhz(
 					dev->gpu->kgd));
 		sysfs_show_64bit_prop(buffer, "local_mem_size",
-				kfd2kgd->get_vmem_size(dev->gpu->kgd));
+				(unsigned long long int) 0);
 
 		sysfs_show_32bit_prop(buffer, "fw_version",
 				kfd2kgd->get_fw_version(
-- 
2.1.0