linux-kernel - Re: [PATCH 03/13] drm/kms/mode/exynos-dsi: using helper func drm_display_mode_to_videomode for calculating timing parameters

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Message-ID: <00b4a624-d2b6-dc6a-71c0-9c7642480a44@arm.com>
Date:   Thu, 3 May 2018 13:21:33 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     Satendra Singh Thakur <satendra.t@...sung.com>,
        Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        David Airlie <airlied@...ux.ie>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Hemanshu Srivastava <hemanshu.s@...sung.com>,
        Madhur Verma <madhur.verma@...sung.com>
Subject: Re: [PATCH 03/13] drm/kms/mode/exynos-dsi: using helper func
 drm_display_mode_to_videomode for calculating timing parameters

On 03/05/18 09:39, Satendra Singh Thakur wrote:
> To avoid duplicate logic for the same
> 
> Signed-off-by: Satendra Singh Thakur <satendra.t@...sung.com>
> Cc: Madhur Verma <madhur.verma@...sung.com>
> Cc: Hemanshu Srivastava <hemanshu.s@...sung.com>
> ---
>   drivers/gpu/drm/exynos/exynos_drm_dsi.c | 9 +--------
>   1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> index 7904ffa..9397e5c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> @@ -1493,14 +1493,7 @@ static void exynos_dsi_mode_set(struct drm_encoder *encoder,
>   	struct videomode *vm = &dsi->vm;
>   	struct drm_display_mode *m = adjusted_mode;

FWIW you could just pass &dsi->vm and adjusted_mode directly to the 
helper and get rid of these locals too.

Robin.

>   
> -	vm->hactive = m->hdisplay;
> -	vm->vactive = m->vdisplay;
> -	vm->vfront_porch = m->vsync_start - m->vdisplay;
> -	vm->vback_porch = m->vtotal - m->vsync_end;
> -	vm->vsync_len = m->vsync_end - m->vsync_start;
> -	vm->hfront_porch = m->hsync_start - m->hdisplay;
> -	vm->hback_porch = m->htotal - m->hsync_end;
> -	vm->hsync_len = m->hsync_end - m->hsync_start;
> +	drm_display_mode_to_videomode(m, vm);
>   }
>   
>   static const struct drm_encoder_helper_funcs exynos_dsi_encoder_helper_funcs = {
>