RE: [PATCH] drm/amd/display: fix static checker warning

[S, Shirish]

Done, applied to amd-staging-drm-next.

Thanks.

Regards,
Shirish S


-Original Message-
From: Wentland, Harry 
Sent: Tuesday, November 14, 2017 8:56 PM
To: S, Shirish <shiris...@amd.com>; amd-gfx@lists.freedesktop.org
Cc: Dan Carpenter <dan.carpen...@oracle.com>
Subject: Re: [PATCH] drm/amd/display: fix static checker warning

On 2017-11-10 04:14 AM, S, Shirish wrote:
> From: Shirish S <shiris...@amd.com>
> 
> This patch fixes static checker warning of
> "warn: cast after binop" introduced by
> 56087b31 drm/amd/display: fix high part address in 
> dm_plane_helper_prepare_fb()
> 
> Signed-off-by: Shirish S <shiris...@amd.com>

Reviewed-by: Harry Wentland <harry.wentl...@amd.com>

Feel free to push to amd-staging-drm-next at your leisure.

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index ed8b7524..0537523e 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2955,7 +2955,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane 
> *plane,
>   = 
> lower_32_bits(afb->address);
>   
> plane_state->address.video_progressive.luma_addr.high_part
>   = 
> upper_32_bits(afb->address);
> - chroma_addr = afb->address + (u64)(awidth * 
> new_state->fb->height);
> + chroma_addr = afb->address + (u64)awidth * 
> new_state->fb->height;
>   
> plane_state->address.video_progressive.chroma_addr.low_part
>   = 
> lower_32_bits(chroma_addr);
>   
> plane_state->address.video_progressive.chroma_addr.high_part
> 
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Re: [PATCH] drm/amd/display: fix static checker warning

[Harry Wentland]

On 2017-11-10 04:14 AM, S, Shirish wrote:
> From: Shirish S 
> 
> This patch fixes static checker warning of
> "warn: cast after binop" introduced by
> 56087b31 drm/amd/display: fix high part address in 
> dm_plane_helper_prepare_fb()
> 
> Signed-off-by: Shirish S 

Reviewed-by: Harry Wentland 

Feel free to push to amd-staging-drm-next at your leisure.

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index ed8b7524..0537523e 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2955,7 +2955,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane 
> *plane,
>   = 
> lower_32_bits(afb->address);
>   
> plane_state->address.video_progressive.luma_addr.high_part
>   = 
> upper_32_bits(afb->address);
> - chroma_addr = afb->address + (u64)(awidth * 
> new_state->fb->height);
> + chroma_addr = afb->address + (u64)awidth * 
> new_state->fb->height;
>   
> plane_state->address.video_progressive.chroma_addr.low_part
>   = 
> lower_32_bits(chroma_addr);
>   
> plane_state->address.video_progressive.chroma_addr.high_part
> 
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Re: [PATCH] drm/amd/display: fix static checker warning

[Michel Dänzer]

On 10/11/17 10:14 AM, S, Shirish wrote:
> From: Shirish S 
> 
> This patch fixes static checker warning of
> "warn: cast after binop" introduced by
> 56087b31 drm/amd/display: fix high part address in 
> dm_plane_helper_prepare_fb()
> 
> Signed-off-by: Shirish S 
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index ed8b7524..0537523e 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2955,7 +2955,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane 
> *plane,
>   = 
> lower_32_bits(afb->address);
>   
> plane_state->address.video_progressive.luma_addr.high_part
>   = 
> upper_32_bits(afb->address);
> - chroma_addr = afb->address + (u64)(awidth * 
> new_state->fb->height);
> + chroma_addr = afb->address + (u64)awidth * 
> new_state->fb->height;
>   
> plane_state->address.video_progressive.chroma_addr.low_part
>   = 
> lower_32_bits(chroma_addr);
>   
> plane_state->address.video_progressive.chroma_addr.high_part
> 

Reviewed-by: Michel Dänzer 


-- 
Earthling Michel Dänzer   |   http://www.amd.com
Libre software enthusiast | Mesa and X developer
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Re: [PATCH] drm/amd/display: fix static checker warning

[Michel Dänzer]

On 07/11/17 04:29 AM, S, Shirish wrote:
> From: Shirish S 
> 
> This patch fixes static checker warning of
> "warn: cast after binop" introduced by
> 4d3e00dad80a: "drm/amd/display : add high part address calculation for 
> underlay"
> 
> Signed-off-by: Shirish S 
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index a87e5ac..e1bdf5e 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -1827,7 +1827,7 @@ static int fill_plane_attributes_from_fb(struct 
> amdgpu_device *adev,
>   = lower_32_bits(fb_location);
>   plane_state->address.video_progressive.luma_addr.high_part
>   = upper_32_bits(fb_location);
> - chroma_addr = fb_location + (u64)(awidth * fb->height);
> + chroma_addr = fb_location + (u64)awidth * fb->height;
>   plane_state->address.video_progressive.chroma_addr.low_part
>   = lower_32_bits(chroma_addr);
>   plane_state->address.video_progressive.chroma_addr.high_part
> @@ -2959,7 +2959,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane 
> *plane,
>   = 
> lower_32_bits(afb->address);
>   
> plane_state->address.video_progressive.luma_addr.high_part
>   = 
> upper_32_bits(afb->address);
> - chroma_addr = afb->address + (u64)(awidth * 
> new_state->fb->height);
> + chroma_addr = afb->address + (u64)awidth * 
> new_state->fb->height;
>   
> plane_state->address.video_progressive.chroma_addr.low_part
>   = 
> lower_32_bits(chroma_addr);
>   
> plane_state->address.video_progressive.chroma_addr.high_part
> 

This code should really be removed, since fb_location is always 0 now in
this function, so the values derived from it cannot be used for anything
anyway.


-- 
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Libre software enthusiast | Mesa and X developer
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