From patchwork Thu Nov 22 19:37:17 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: drm: tegra: Use framebuffer pitch as line stride Date: Thu, 22 Nov 2012 09:37:17 -0000 From: Thierry Reding X-Patchwork-Id: 201170 Message-Id: <1353613037-15808-1-git-send-email-thierry.reding@avionic-design.de> To: Dave Airlie Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Marc Dietrich 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 Tested-by: Terje Bergstrom Tested-by: Mark Zhang Tested-by: Stephen Warren --- 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);