* [PATCH] drm/amd/display: use ARRAY_SIZE for base60_refresh_rates
@ 2021-06-09 10:09 Jiapeng Chong
2021-06-09 21:12 ` Alex Deucher
0 siblings, 1 reply; 2+ messages in thread
From: Jiapeng Chong @ 2021-06-09 10:09 UTC (permalink / raw)
To: harry.wentland
Cc: sunpeng.li, alexander.deucher, christian.koenig, Xinhui.Pan,
airlied, daniel, amd-gfx, dri-devel, linux-kernel, Jiapeng Chong
Use ARRAY_SIZE instead of dividing sizeof array with sizeof an
element.
Clean up the following coccicheck warning:
./drivers/gpu/drm/amd/display/dc/core/dc_resource.c:448:47-48: WARNING:
Use ARRAY_SIZE.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 57afe71..3f00989 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -445,7 +445,7 @@ bool resource_are_vblanks_synchronizable(
{
uint32_t base60_refresh_rates[] = {10, 20, 5};
uint8_t i;
- uint8_t rr_count = sizeof(base60_refresh_rates)/sizeof(base60_refresh_rates[0]);
+ uint8_t rr_count = ARRAY_SIZE(base60_refresh_rates);
uint64_t frame_time_diff;
if (stream1->ctx->dc->config.vblank_alignment_dto_params &&
--
1.8.3.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amd/display: use ARRAY_SIZE for base60_refresh_rates
2021-06-09 10:09 [PATCH] drm/amd/display: use ARRAY_SIZE for base60_refresh_rates Jiapeng Chong
@ 2021-06-09 21:12 ` Alex Deucher
0 siblings, 0 replies; 2+ messages in thread
From: Alex Deucher @ 2021-06-09 21:12 UTC (permalink / raw)
To: Jiapeng Chong
Cc: Wentland, Harry, Leo (Sunpeng) Li, xinhui pan, LKML,
amd-gfx list, Dave Airlie, Maling list - DRI developers, Deucher,
Alexander, Christian Koenig
Applied. Thanks!
On Wed, Jun 9, 2021 at 6:09 AM Jiapeng Chong
<jiapeng.chong@linux.alibaba.com> wrote:
>
> Use ARRAY_SIZE instead of dividing sizeof array with sizeof an
> element.
>
> Clean up the following coccicheck warning:
>
> ./drivers/gpu/drm/amd/display/dc/core/dc_resource.c:448:47-48: WARNING:
> Use ARRAY_SIZE.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> index 57afe71..3f00989 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> @@ -445,7 +445,7 @@ bool resource_are_vblanks_synchronizable(
> {
> uint32_t base60_refresh_rates[] = {10, 20, 5};
> uint8_t i;
> - uint8_t rr_count = sizeof(base60_refresh_rates)/sizeof(base60_refresh_rates[0]);
> + uint8_t rr_count = ARRAY_SIZE(base60_refresh_rates);
> uint64_t frame_time_diff;
>
> if (stream1->ctx->dc->config.vblank_alignment_dto_params &&
> --
> 1.8.3.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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