* [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU
@ 2018-01-31 8:05 Benjamin Gaignard
2018-01-31 15:55 ` Philippe CORNU
2018-02-23 8:33 ` Philippe CORNU
0 siblings, 2 replies; 4+ messages in thread
From: Benjamin Gaignard @ 2018-01-31 8:05 UTC (permalink / raw)
To: yannick.fertre, philippe.cornu, vincent.abriou, laurent.pinchart
Cc: airlied, linux-kernel, dri-devel
In all cases we have to check pitch and size calculations to speed up
data transfer.
Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
---
drivers/gpu/drm/stm/drv.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index 8bc7e8418b8d..9ab00a87f7cc 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
-#ifdef CONFIG_MMU
unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
/*
@@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
*/
args->pitch = roundup(min_pitch, 128);
args->height = roundup(args->height, 4);
-#endif
return drm_gem_cma_dumb_create_internal(file, dev, args);
}
--
2.15.0
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU
2018-01-31 8:05 [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU Benjamin Gaignard
@ 2018-01-31 15:55 ` Philippe CORNU
2018-02-23 8:33 ` Philippe CORNU
1 sibling, 0 replies; 4+ messages in thread
From: Philippe CORNU @ 2018-01-31 15:55 UTC (permalink / raw)
To: Benjamin Gaignard, Yannick FERTRE, Vincent ABRIOU, laurent.pinchart
Cc: airlied, linux-kernel, dri-devel
Hi Benjamin,
Great, Many thanks,
Tested-by: Philippe Cornu <philippe.cornu@st.com>
Philippe :-)
On 01/31/2018 09:05 AM, Benjamin Gaignard wrote:
> In all cases we have to check pitch and size calculations to speed up
> data transfer.
>
> Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
> ---
> drivers/gpu/drm/stm/drv.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
> index 8bc7e8418b8d..9ab00a87f7cc 100644
> --- a/drivers/gpu/drm/stm/drv.c
> +++ b/drivers/gpu/drm/stm/drv.c
> @@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
> struct drm_device *dev,
> struct drm_mode_create_dumb *args)
> {
> -#ifdef CONFIG_MMU
> unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>
> /*
> @@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
> */
> args->pitch = roundup(min_pitch, 128);
> args->height = roundup(args->height, 4);
> -#endif
>
> return drm_gem_cma_dumb_create_internal(file, dev, args);
> }
>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU
2018-01-31 8:05 [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU Benjamin Gaignard
2018-01-31 15:55 ` Philippe CORNU
@ 2018-02-23 8:33 ` Philippe CORNU
2018-02-23 9:05 ` Benjamin Gaignard
1 sibling, 1 reply; 4+ messages in thread
From: Philippe CORNU @ 2018-02-23 8:33 UTC (permalink / raw)
To: Benjamin Gaignard, Yannick FERTRE, Vincent ABRIOU, laurent.pinchart
Cc: airlied, linux-kernel, dri-devel
Hi Benjamin,
On 01/31/2018 09:05 AM, Benjamin Gaignard wrote:
> In all cases we have to check pitch and size calculations to speed up
> data transfer.
>
> Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
> ---
> drivers/gpu/drm/stm/drv.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
> index 8bc7e8418b8d..9ab00a87f7cc 100644
> --- a/drivers/gpu/drm/stm/drv.c
> +++ b/drivers/gpu/drm/stm/drv.c
> @@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
> struct drm_device *dev,
> struct drm_mode_create_dumb *args)
> {
> -#ifdef CONFIG_MMU
> unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>
> /*
> @@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
> */
> args->pitch = roundup(min_pitch, 128);
> args->height = roundup(args->height, 4);
> -#endif
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Many thanks,
Philippe :-)
>
> return drm_gem_cma_dumb_create_internal(file, dev, args);
> }
>
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU
2018-02-23 8:33 ` Philippe CORNU
@ 2018-02-23 9:05 ` Benjamin Gaignard
0 siblings, 0 replies; 4+ messages in thread
From: Benjamin Gaignard @ 2018-02-23 9:05 UTC (permalink / raw)
To: Philippe CORNU
Cc: airlied, linux-kernel, dri-devel, Yannick FERTRE,
laurent.pinchart, Vincent ABRIOU
2018-02-23 9:33 GMT+01:00 Philippe CORNU <philippe.cornu@st.com>:
> Hi Benjamin,
>
> On 01/31/2018 09:05 AM, Benjamin Gaignard wrote:
>> In all cases we have to check pitch and size calculations to speed up
>> data transfer.
>>
>> Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")
>>
>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
>> ---
>> drivers/gpu/drm/stm/drv.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
>> index 8bc7e8418b8d..9ab00a87f7cc 100644
>> --- a/drivers/gpu/drm/stm/drv.c
>> +++ b/drivers/gpu/drm/stm/drv.c
>> @@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
>> struct drm_device *dev,
>> struct drm_mode_create_dumb *args)
>> {
>> -#ifdef CONFIG_MMU
>> unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>>
>> /*
>> @@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
>> */
>> args->pitch = roundup(min_pitch, 128);
>> args->height = roundup(args->height, 4);
>> -#endif
>
> Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Applied on drm-misc-next.
Regards,
Benjamin
>
> Many thanks,
> Philippe :-)
>
>>
>> return drm_gem_cma_dumb_create_internal(file, dev, args);
>> }
>>
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
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