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* [PATCH] drm/mgag200: fix a test in mga_vga_mode_valid()
@ 2018-01-25 14:26 Dan Carpenter
  2018-01-30  9:57 ` Daniel Vetter
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2018-01-25 14:26 UTC (permalink / raw)
  To: Dave Airlie, Julia Lemire
  Cc: David Airlie, Daniel Vetter, Sinclair Yeh, Patrik Jakobsson,
	Peter Rosin, Keith Packard, Mathieu Larouche, dri-devel,
	kernel-janitors

The parentheses are in the wrong place here so we pass the bits per
pixel as zero.

Fixes: abbee6238775 ("drm/mgag200: Added resolution and bandwidth limits for various G200e products.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Static analysis.  Not tested.

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 68e5d9c94475..fb50a9ddaae8 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1620,8 +1620,8 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
 			return MODE_VIRTUAL_X;
 		if (mode->vdisplay > 1024)
 			return MODE_VIRTUAL_Y;
-		if (mga_vga_calculate_mode_bandwidth(mode,
-			bpp > (31877 * 1024)))
+		if (mga_vga_calculate_mode_bandwidth(mode, bpp) >
+		    (31877 * 1024))
 			return MODE_BANDWIDTH;
 	} else if (mdev->type = G200_EV &&
 		(mga_vga_calculate_mode_bandwidth(mode, bpp)

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] drm/mgag200: fix a test in mga_vga_mode_valid()
  2018-01-25 14:26 [PATCH] drm/mgag200: fix a test in mga_vga_mode_valid() Dan Carpenter
@ 2018-01-30  9:57 ` Daniel Vetter
  0 siblings, 0 replies; 2+ messages in thread
From: Daniel Vetter @ 2018-01-30  9:57 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Dave Airlie, Julia Lemire, David Airlie, Daniel Vetter,
	Sinclair Yeh, Patrik Jakobsson, Peter Rosin, Keith Packard,
	Mathieu Larouche, dri-devel, kernel-janitors

On Thu, Jan 25, 2018 at 05:26:55PM +0300, Dan Carpenter wrote:
> The parentheses are in the wrong place here so we pass the bits per
> pixel as zero.
> 
> Fixes: abbee6238775 ("drm/mgag200: Added resolution and bandwidth limits for various G200e products.")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> Static analysis.  Not tested.

Looks reasonable. Thanks for the patch, applied.
-Daniel

> 
> diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
> index 68e5d9c94475..fb50a9ddaae8 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_mode.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
> @@ -1620,8 +1620,8 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
>  			return MODE_VIRTUAL_X;
>  		if (mode->vdisplay > 1024)
>  			return MODE_VIRTUAL_Y;
> -		if (mga_vga_calculate_mode_bandwidth(mode,
> -			bpp > (31877 * 1024)))
> +		if (mga_vga_calculate_mode_bandwidth(mode, bpp) >
> +		    (31877 * 1024))
>  			return MODE_BANDWIDTH;
>  	} else if (mdev->type = G200_EV &&
>  		(mga_vga_calculate_mode_bandwidth(mode, bpp)

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 2+ messages in thread

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