Re: [PATCH] drm: tegra: Use framebuffer pitch as line stride

[Mark Zhang <markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]

Tested-by: Mark Zhang <markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

On my Tegra 3 cardhu.

Mark
On 11/23/2012 03:37 AM, Thierry Reding wrote:
> Instead of using the stride derived from the display mode, use the pitch
> associated with the currently active framebuffer. This fixes a bug where
> the LCD display content would be skewed when enabling HDMI with a video
> mode different from that of the LCD.
> 
> Signed-off-by: Thierry Reding <thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>
> ---
>  drivers/gpu/drm/tegra/dc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
> index 94686e5..41cde76 100644
> --- a/drivers/gpu/drm/tegra/dc.c
> +++ b/drivers/gpu/drm/tegra/dc.c
> @@ -218,7 +218,7 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
>  	}
>  
>  	bpp = crtc->fb->bits_per_pixel / 8;
> -	win.stride = win.outw * bpp;
> +	win.stride = crtc->fb->pitches[0];
>  
>  	/* program window registers */
>  	value = tegra_dc_readl(dc, DC_CMD_DISPLAY_WINDOW_HEADER);
>