Re: [PATCH 1/2] drm/exynos: fimd: Remove drm_dev and pipe members from fimd_context

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On 2014년 12월 07일 21:04, Ajay Kumar wrote:
> ctx->drm_dev is unnecessary since it can be easily accessed
> via ctx->manager->drm_dev. Even the pipe variable inside
> fimd_context is redundant. Cleaning up the same.

Already applied.

Thanks,
Inki Dae

> 
> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c |   28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index e5810d1..157f4dd 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -159,7 +159,6 @@ struct fimd_win_data {
>  struct fimd_context {
>  	struct exynos_drm_manager	manager;
>  	struct device			*dev;
> -	struct drm_device		*drm_dev;
>  	struct clk			*bus_clk;
>  	struct clk			*lcd_clk;
>  	void __iomem			*regs;
> @@ -174,7 +173,6 @@ struct fimd_context {
>  	u32				i80ifcon;
>  	bool				i80_if;
>  	bool				suspended;
> -	int				pipe;
>  	wait_queue_head_t		wait_vsync_queue;
>  	atomic_t			wait_vsync_event;
>  	atomic_t			win_updated;
> @@ -298,17 +296,17 @@ static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
>  	struct exynos_drm_private *priv;
>  	priv = drm_dev->dev_private;
>  
> -	mgr->drm_dev = ctx->drm_dev = drm_dev;
> -	mgr->pipe = ctx->pipe = priv->pipe++;
> +	mgr->drm_dev = drm_dev;
> +	mgr->pipe = priv->pipe++;
>  
>  	/* attach this sub driver to iommu mapping if supported. */
> -	if (is_drm_iommu_supported(ctx->drm_dev)) {
> +	if (is_drm_iommu_supported(mgr->drm_dev)) {
>  		/*
>  		 * If any channel is already active, iommu will throw
>  		 * a PAGE FAULT when enabled. So clear any channel if enabled.
>  		 */
>  		fimd_clear_channel(mgr);
> -		drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
> +		drm_iommu_attach_device(mgr->drm_dev, ctx->dev);
>  	}
>  
>  	return 0;
> @@ -319,8 +317,8 @@ static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
>  	struct fimd_context *ctx = mgr_to_fimd(mgr);
>  
>  	/* detach this sub driver from iommu mapping if supported. */
> -	if (is_drm_iommu_supported(ctx->drm_dev))
> -		drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
> +	if (is_drm_iommu_supported(mgr->drm_dev))
> +		drm_iommu_detach_device(mgr->drm_dev, ctx->dev);
>  }
>  
>  static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
> @@ -1001,7 +999,7 @@ static void fimd_te_handler(struct exynos_drm_manager *mgr)
>  	struct fimd_context *ctx = mgr_to_fimd(mgr);
>  
>  	/* Checks the crtc is detached already from encoder */
> -	if (ctx->pipe < 0 || !ctx->drm_dev)
> +	if (mgr->pipe < 0 || !mgr->drm_dev)
>  		return;
>  
>  	/*
> @@ -1018,7 +1016,7 @@ static void fimd_te_handler(struct exynos_drm_manager *mgr)
>  	}
>  
>  	if (test_bit(0, &ctx->irq_flags))
> -		drm_handle_vblank(ctx->drm_dev, ctx->pipe);
> +		drm_handle_vblank(mgr->drm_dev, mgr->pipe);
>  }
>  
>  static struct exynos_drm_manager_ops fimd_manager_ops = {
> @@ -1047,17 +1045,19 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
>  		writel(clear_bit, ctx->regs + VIDINTCON1);
>  
>  	/* check the crtc is detached already from encoder */
> -	if (ctx->pipe < 0 || !ctx->drm_dev)
> +	if (ctx->manager.pipe < 0 || !ctx->manager.drm_dev)
>  		goto out;
>  
>  	if (ctx->i80_if) {
> -		exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
> +		exynos_drm_crtc_finish_pageflip(ctx->manager.drm_dev,
> +							ctx->manager.pipe);
>  
>  		/* Exits triggering mode */
>  		atomic_set(&ctx->triggering, 0);
>  	} else {
> -		drm_handle_vblank(ctx->drm_dev, ctx->pipe);
> -		exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
> +		drm_handle_vblank(ctx->manager.drm_dev, ctx->manager.pipe);
> +		exynos_drm_crtc_finish_pageflip(ctx->manager.drm_dev,
> +							ctx->manager.pipe);
>  
>  		/* set wait vsync event to zero and wake up queue. */
>  		if (atomic_read(&ctx->wait_vsync_event)) {
> 

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