linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] drm/radeon:WARNING opportunity for max()
@ 2021-11-16  5:50 zhaoxiao
  2021-11-16  7:22 ` Christian König
  0 siblings, 1 reply; 3+ messages in thread
From: zhaoxiao @ 2021-11-16  5:50 UTC (permalink / raw)
  To: airlied, daniel
  Cc: alexander.deucher, christian.koenig, Xinhui.Pan, amd-gfx,
	dri-devel, linux-kernel, zhaoxiao

Fix following coccicheck warning:
drivers/gpu/drm/radeon/r100.c:3450:26-27: WARNING opportunity for max()
drivers/gpu/drm/radeon/r100.c:2812:23-24: WARNING opportunity for max()

Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
---
 drivers/gpu/drm/radeon/r100.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 2dd85ba1faa2..c65ee6f44af2 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2809,10 +2809,7 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 		if (rdev->mc.aper_size > config_aper_size)
 			config_aper_size = rdev->mc.aper_size;
 
-		if (config_aper_size > rdev->mc.real_vram_size)
-			rdev->mc.mc_vram_size = config_aper_size;
-		else
-			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+		rdev->mc.mc_vram_size = max(config_aper_size, rdev->mc.real_vram_size);
 	}
 }
 
@@ -3447,10 +3444,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
 	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
 
-	if (mc_latency_mclk.full > mc_latency_sclk.full)
-		disp_latency.full = mc_latency_mclk.full;
-	else
-		disp_latency.full = mc_latency_sclk.full;
+	disp_latency.full = max(mc_latency_mclk.full, mc_latency_sclk.full);
 
 	/* setup Max GRPH_STOP_REQ default value */
 	if (ASIC_IS_RV100(rdev))
-- 
2.20.1




^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/radeon:WARNING opportunity for max()
  2021-11-16  5:50 [PATCH] drm/radeon:WARNING opportunity for max() zhaoxiao
@ 2021-11-16  7:22 ` Christian König
  0 siblings, 0 replies; 3+ messages in thread
From: Christian König @ 2021-11-16  7:22 UTC (permalink / raw)
  To: zhaoxiao, airlied, daniel
  Cc: alexander.deucher, Xinhui.Pan, amd-gfx, dri-devel, linux-kernel

Am 16.11.21 um 06:50 schrieb zhaoxiao:
> Fix following coccicheck warning:
> drivers/gpu/drm/radeon/r100.c:3450:26-27: WARNING opportunity for max()
> drivers/gpu/drm/radeon/r100.c:2812:23-24: WARNING opportunity for max()
>
> Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>

In general feel free to add my Acked-by, but I'm not sure if we want 
such cleanups in a driver which is only in maintenance mode.

If you do this as part of a general and automated cleanup then it is 
probably ok.

Regards,
Christian.

> ---
>   drivers/gpu/drm/radeon/r100.c | 10 ++--------
>   1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
> index 2dd85ba1faa2..c65ee6f44af2 100644
> --- a/drivers/gpu/drm/radeon/r100.c
> +++ b/drivers/gpu/drm/radeon/r100.c
> @@ -2809,10 +2809,7 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
>   		if (rdev->mc.aper_size > config_aper_size)
>   			config_aper_size = rdev->mc.aper_size;
>   
> -		if (config_aper_size > rdev->mc.real_vram_size)
> -			rdev->mc.mc_vram_size = config_aper_size;
> -		else
> -			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
> +		rdev->mc.mc_vram_size = max(config_aper_size, rdev->mc.real_vram_size);
>   	}
>   }
>   
> @@ -3447,10 +3444,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
>   	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
>   	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
>   
> -	if (mc_latency_mclk.full > mc_latency_sclk.full)
> -		disp_latency.full = mc_latency_mclk.full;
> -	else
> -		disp_latency.full = mc_latency_sclk.full;
> +	disp_latency.full = max(mc_latency_mclk.full, mc_latency_sclk.full);
>   
>   	/* setup Max GRPH_STOP_REQ default value */
>   	if (ASIC_IS_RV100(rdev))


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] drm/radeon:WARNING opportunity for max()
@ 2021-11-16  5:48 zhaoxiao
  0 siblings, 0 replies; 3+ messages in thread
From: zhaoxiao @ 2021-11-16  5:48 UTC (permalink / raw)
  To: linux-kernel; +Cc: zhaoxiao

Fix following coccicheck warning:
drivers/gpu/drm/radeon/r100.c:3450:26-27: WARNING opportunity for max()
drivers/gpu/drm/radeon/r100.c:2812:23-24: WARNING opportunity for max()

Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
---
 drivers/gpu/drm/radeon/r100.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 2dd85ba1faa2..c65ee6f44af2 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2809,10 +2809,7 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 		if (rdev->mc.aper_size > config_aper_size)
 			config_aper_size = rdev->mc.aper_size;
 
-		if (config_aper_size > rdev->mc.real_vram_size)
-			rdev->mc.mc_vram_size = config_aper_size;
-		else
-			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+		rdev->mc.mc_vram_size = max(config_aper_size, rdev->mc.real_vram_size);
 	}
 }
 
@@ -3447,10 +3444,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
 	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
 
-	if (mc_latency_mclk.full > mc_latency_sclk.full)
-		disp_latency.full = mc_latency_mclk.full;
-	else
-		disp_latency.full = mc_latency_sclk.full;
+	disp_latency.full = max(mc_latency_mclk.full, mc_latency_sclk.full);
 
 	/* setup Max GRPH_STOP_REQ default value */
 	if (ASIC_IS_RV100(rdev))
-- 
2.20.1




^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-11-16  7:24 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-11-16  5:50 [PATCH] drm/radeon:WARNING opportunity for max() zhaoxiao
2021-11-16  7:22 ` Christian König
  -- strict thread matches above, loose matches on Subject: below --
2021-11-16  5:48 zhaoxiao

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).