[PATCH 2/2] drm/exynos: 'win' is always unsigned

[Inki Dae]

On 2015년 05월 12일 03:04, Tobias Jakobi wrote:
> Hey Inki,
> 
> Inki Dae wrote:
>> On 2015년 05월 06일 21:10, Tobias Jakobi wrote:
>>> The index for the hardware layer is always >=0. Previous
>>> code that also used -1 as special index is now gone.
>>>
>>> Also apply this to 'ch_enabled' (decon/fimd), since the
>>> variable is on the same line (and is again always unsigned).
>>
>> I can see below error with checkpatch.pl,
>>
>> WARNING: line over 80 characters
>> #125: FILE: drivers/gpu/drm/exynos/exynos_drm_fimd.c:232:
>> +static void fimd_enable_shadow_channel_path(struct fimd_context *ctx,
>> unsigned int win,
>>
>> WARNING: line over 80 characters
>> #147: FILE: drivers/gpu/drm/exynos/exynos_mixer.c:336:
>> +static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int
>> win, bool enable)
>>
>> Please check coding style with checkpath.pl before posting it next time.
>> I modified and merged them.
> sorry, I'm going to check more thoroughly next time.
> 
> Also, I think you might have missed one of my cleanup patches:
> https://patchwork.kernel.org/patch/6275111/

Right, that is one I missed. Applied.

> 
> At least I haven't seen it yet in for-next or fixes.
> 
> And if you could say a few words about the layer rework series
> (http://www.spinics.net/lists/linux-samsung-soc/msg44199.html), that
> would be great! :)
> 

Got it. I will take a look at this patch series soon.

Thanks,
Inki Dae

> 
> 
> With best wishes,
> Tobias
> 
>>
>> Thanks,
>> Inki Dae
>>
>>>
>>> Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
>>> ---
>>>  drivers/gpu/drm/exynos/exynos7_drm_decon.c | 2 +-
>>>  drivers/gpu/drm/exynos/exynos_drm_fimd.c   | 6 +++---
>>>  drivers/gpu/drm/exynos/exynos_mixer.c      | 6 +++---
>>>  3 files changed, 7 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
>>> index 1f7e33f..5c0b2cc 100644
>>> --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
>>> +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
>>> @@ -91,7 +91,7 @@ static void decon_wait_for_vblank(struct exynos_drm_crtc *crtc)
>>>  
>>>  static void decon_clear_channel(struct decon_context *ctx)
>>>  {
>>> -	int win, ch_enabled = 0;
>>> +	unsigned int win, ch_enabled = 0;
>>>  
>>>  	DRM_DEBUG_KMS("%s\n", __FILE__);
>>>  
>>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>>> index 9819fa6..ee11ea6 100644
>>> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>>> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>>> @@ -216,7 +216,7 @@ static void fimd_wait_for_vblank(struct exynos_drm_crtc *crtc)
>>>  		DRM_DEBUG_KMS("vblank wait timed out.\n");
>>>  }
>>>  
>>> -static void fimd_enable_video_output(struct fimd_context *ctx, int win,
>>> +static void fimd_enable_video_output(struct fimd_context *ctx, unsigned int win,
>>>  					bool enable)
>>>  {
>>>  	u32 val = readl(ctx->regs + WINCON(win));
>>> @@ -229,7 +229,7 @@ static void fimd_enable_video_output(struct fimd_context *ctx, int win,
>>>  	writel(val, ctx->regs + WINCON(win));
>>>  }
>>>  
>>> -static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, int win,
>>> +static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, unsigned int win,
>>>  						bool enable)
>>>  {
>>>  	u32 val = readl(ctx->regs + SHADOWCON);
>>> @@ -244,7 +244,7 @@ static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, int win,
>>>  
>>>  static void fimd_clear_channel(struct fimd_context *ctx)
>>>  {
>>> -	int win, ch_enabled = 0;
>>> +	unsigned int win, ch_enabled = 0;
>>>  
>>>  	DRM_DEBUG_KMS("%s\n", __FILE__);
>>>  
>>> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
>>> index ff15702..4a1656b 100644
>>> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
>>> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
>>> @@ -333,7 +333,7 @@ static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, unsigned int height)
>>>  	mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK);
>>>  }
>>>  
>>> -static void mixer_cfg_layer(struct mixer_context *ctx, int win, bool enable)
>>> +static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, bool enable)
>>>  {
>>>  	struct mixer_resources *res = &ctx->mixer_res;
>>>  	u32 val = enable ? ~0 : 0;
>>> @@ -379,7 +379,7 @@ static void mixer_stop(struct mixer_context *ctx)
>>>  		usleep_range(10000, 12000);
>>>  }
>>>  
>>> -static void vp_video_buffer(struct mixer_context *ctx, int win)
>>> +static void vp_video_buffer(struct mixer_context *ctx, unsigned int win)
>>>  {
>>>  	struct mixer_resources *res = &ctx->mixer_res;
>>>  	unsigned long flags;
>>> @@ -511,7 +511,7 @@ fail:
>>>  	return -ENOTSUPP;
>>>  }
>>>  
>>> -static void mixer_graph_buffer(struct mixer_context *ctx, int win)
>>> +static void mixer_graph_buffer(struct mixer_context *ctx, unsigned int win)
>>>  {
>>>  	struct mixer_resources *res = &ctx->mixer_res;
>>>  	unsigned long flags;
>>>
>>
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