[PATCH] drm: tegra: Use framebuffer pitch as line stride
Mark Zhang
markz at nvidia.com
Sun Nov 25 23:01:34 PST 2012
Tested-by: Mark Zhang <markz at nvidia.com>
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 at avionic-design.de>
> ---
> 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);
>
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