* [PATCH 1/2] amdgpu: fix overflow for timeout calculation
@ 2015-11-21 0:24 Alex Deucher
2015-11-21 0:24 ` [PATCH 2/2] amdgpu: Make amdgpu_cs_calculate_timeout() return something sensible on error Alex Deucher
2015-11-21 10:48 ` [PATCH 1/2] amdgpu: fix overflow for timeout calculation Ernst Sjöstrand
0 siblings, 2 replies; 5+ messages in thread
From: Alex Deucher @ 2015-11-21 0:24 UTC (permalink / raw)
To: dri-devel
From: Jammy Zhou <Jammy.Zhou@amd.com>
Set the timeout to AMDGPU_TIMEOUT_INFINITE when overflow happens
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
amdgpu/amdgpu_cs.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 4da9821..aa594c4 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -289,12 +289,16 @@ drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout)
if (timeout != AMDGPU_TIMEOUT_INFINITE) {
struct timespec current;
+ uint64_t current_ns;
r = clock_gettime(CLOCK_MONOTONIC, ¤t);
if (r)
return r;
- timeout += ((uint64_t)current.tv_sec) * 1000000000ull;
- timeout += current.tv_nsec;
+ current_ns = ((uint64_t)current.tv_sec) * 1000000000ull;
+ current_ns += current.tv_nsec;
+ timeout += current_ns;
+ if (timeout < current_ns)
+ timeout = AMDGPU_TIMEOUT_INFINITE;
}
return timeout;
}
--
1.8.3.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/2] amdgpu: Make amdgpu_cs_calculate_timeout() return something sensible on error
2015-11-21 0:24 [PATCH 1/2] amdgpu: fix overflow for timeout calculation Alex Deucher
@ 2015-11-21 0:24 ` Alex Deucher
2015-11-21 10:48 ` [PATCH 1/2] amdgpu: fix overflow for timeout calculation Ernst Sjöstrand
1 sibling, 0 replies; 5+ messages in thread
From: Alex Deucher @ 2015-11-21 0:24 UTC (permalink / raw)
To: dri-devel; +Cc: Tom St Denis
From: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
amdgpu/amdgpu_cs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index aa594c4..6747158 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -291,8 +291,10 @@ drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout)
struct timespec current;
uint64_t current_ns;
r = clock_gettime(CLOCK_MONOTONIC, ¤t);
- if (r)
- return r;
+ if (r) {
+ fprintf(stderr, "clock_gettime() returned error (%d)!", errno);
+ return AMDGPU_TIMEOUT_INFINITE;
+ }
current_ns = ((uint64_t)current.tv_sec) * 1000000000ull;
current_ns += current.tv_nsec;
--
1.8.3.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] amdgpu: fix overflow for timeout calculation
2015-11-21 0:24 [PATCH 1/2] amdgpu: fix overflow for timeout calculation Alex Deucher
2015-11-21 0:24 ` [PATCH 2/2] amdgpu: Make amdgpu_cs_calculate_timeout() return something sensible on error Alex Deucher
@ 2015-11-21 10:48 ` Ernst Sjöstrand
2015-11-21 11:07 ` Christian König
1 sibling, 1 reply; 5+ messages in thread
From: Ernst Sjöstrand @ 2015-11-21 10:48 UTC (permalink / raw)
To: Alex Deucher; +Cc: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 1643 bytes --]
I guess the patches should be for drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
instead?
Regards
//Ernst
2015-11-21 1:24 GMT+01:00 Alex Deucher <alexdeucher@gmail.com>:
> From: Jammy Zhou <Jammy.Zhou@amd.com>
>
> Set the timeout to AMDGPU_TIMEOUT_INFINITE when overflow happens
>
> Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
> Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> amdgpu/amdgpu_cs.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
> index 4da9821..aa594c4 100644
> --- a/amdgpu/amdgpu_cs.c
> +++ b/amdgpu/amdgpu_cs.c
> @@ -289,12 +289,16 @@ drm_private uint64_t
> amdgpu_cs_calculate_timeout(uint64_t timeout)
>
> if (timeout != AMDGPU_TIMEOUT_INFINITE) {
> struct timespec current;
> + uint64_t current_ns;
> r = clock_gettime(CLOCK_MONOTONIC, ¤t);
> if (r)
> return r;
>
> - timeout += ((uint64_t)current.tv_sec) * 1000000000ull;
> - timeout += current.tv_nsec;
> + current_ns = ((uint64_t)current.tv_sec) * 1000000000ull;
> + current_ns += current.tv_nsec;
> + timeout += current_ns;
> + if (timeout < current_ns)
> + timeout = AMDGPU_TIMEOUT_INFINITE;
> }
> return timeout;
> }
> --
> 1.8.3.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] amdgpu: fix overflow for timeout calculation
2015-11-21 10:48 ` [PATCH 1/2] amdgpu: fix overflow for timeout calculation Ernst Sjöstrand
@ 2015-11-21 11:07 ` Christian König
2015-11-21 11:25 ` Ernst Sjöstrand
0 siblings, 1 reply; 5+ messages in thread
From: Christian König @ 2015-11-21 11:07 UTC (permalink / raw)
To: Ernst Sjöstrand, Alex Deucher; +Cc: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 2317 bytes --]
On 21.11.2015 11:48, Ernst Sjöstrand wrote:
> I guess the patches should be for
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c instead?
No, why do you think so? This is a libdrm patch, not a kernel patch.
Regards,
Christian.
>
> Regards
> //Ernst
>
> 2015-11-21 1:24 GMT+01:00 Alex Deucher <alexdeucher@gmail.com
> <mailto:alexdeucher@gmail.com>>:
>
> From: Jammy Zhou <Jammy.Zhou@amd.com <mailto:Jammy.Zhou@amd.com>>
>
> Set the timeout to AMDGPU_TIMEOUT_INFINITE when overflow happens
>
> Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com
> <mailto:Jammy.Zhou@amd.com>>
> Reviewed-by: Christian König <christian.koenig@amd.com
> <mailto:christian.koenig@amd.com>>
> ---
> amdgpu/amdgpu_cs.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
> index 4da9821..aa594c4 100644
> --- a/amdgpu/amdgpu_cs.c
> +++ b/amdgpu/amdgpu_cs.c
> @@ -289,12 +289,16 @@ drm_private uint64_t
> amdgpu_cs_calculate_timeout(uint64_t timeout)
>
> if (timeout != AMDGPU_TIMEOUT_INFINITE) {
> struct timespec current;
> + uint64_t current_ns;
> r = clock_gettime(CLOCK_MONOTONIC, ¤t);
> if (r)
> return r;
>
> - timeout += ((uint64_t)current.tv_sec) * 1000000000ull;
> - timeout += current.tv_nsec;
> + current_ns = ((uint64_t)current.tv_sec) *
> 1000000000ull;
> + current_ns += current.tv_nsec;
> + timeout += current_ns;
> + if (timeout < current_ns)
> + timeout = AMDGPU_TIMEOUT_INFINITE;
> }
> return timeout;
> }
> --
> 1.8.3.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> <mailto:dri-devel@lists.freedesktop.org>
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] amdgpu: fix overflow for timeout calculation
2015-11-21 11:07 ` Christian König
@ 2015-11-21 11:25 ` Ernst Sjöstrand
0 siblings, 0 replies; 5+ messages in thread
From: Ernst Sjöstrand @ 2015-11-21 11:25 UTC (permalink / raw)
To: Christian König; +Cc: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 2171 bytes --]
Doh, I didn't get that! Sorry.
Regards
//Ernst
2015-11-21 12:07 GMT+01:00 Christian König <deathsimple@vodafone.de>:
> On 21.11.2015 11:48, Ernst Sjöstrand wrote:
>
> I guess the patches should be for drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> instead?
>
>
> No, why do you think so? This is a libdrm patch, not a kernel patch.
>
> Regards,
> Christian.
>
>
>
> Regards
> //Ernst
>
> 2015-11-21 1:24 GMT+01:00 Alex Deucher <alexdeucher@gmail.com>:
>
>> From: Jammy Zhou <Jammy.Zhou@amd.com>
>>
>> Set the timeout to AMDGPU_TIMEOUT_INFINITE when overflow happens
>>
>> Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
>> Reviewed-by: Christian König <christian.koenig@amd.com>
>> ---
>> amdgpu/amdgpu_cs.c | 8 ++++++--
>> 1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
>> index 4da9821..aa594c4 100644
>> --- a/amdgpu/amdgpu_cs.c
>> +++ b/amdgpu/amdgpu_cs.c
>> @@ -289,12 +289,16 @@ drm_private uint64_t
>> amdgpu_cs_calculate_timeout(uint64_t timeout)
>>
>> if (timeout != AMDGPU_TIMEOUT_INFINITE) {
>> struct timespec current;
>> + uint64_t current_ns;
>> r = clock_gettime(CLOCK_MONOTONIC, ¤t);
>> if (r)
>> return r;
>>
>> - timeout += ((uint64_t)current.tv_sec) * 1000000000ull;
>> - timeout += current.tv_nsec;
>> + current_ns = ((uint64_t)current.tv_sec) * 1000000000ull;
>> + current_ns += current.tv_nsec;
>> + timeout += current_ns;
>> + if (timeout < current_ns)
>> + timeout = AMDGPU_TIMEOUT_INFINITE;
>> }
>> return timeout;
>> }
>> --
>> 1.8.3.1
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>>
>
>
>
> _______________________________________________
> dri-devel mailing listdri-devel@lists.freedesktop.orghttp://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
>
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end of thread, other threads:[~2015-11-21 11:25 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-11-21 0:24 [PATCH 1/2] amdgpu: fix overflow for timeout calculation Alex Deucher
2015-11-21 0:24 ` [PATCH 2/2] amdgpu: Make amdgpu_cs_calculate_timeout() return something sensible on error Alex Deucher
2015-11-21 10:48 ` [PATCH 1/2] amdgpu: fix overflow for timeout calculation Ernst Sjöstrand
2015-11-21 11:07 ` Christian König
2015-11-21 11:25 ` Ernst Sjöstrand
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