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drm: tegra: Use framebuffer pitch as line stride 

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@avionic-design.de>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Mark Zhang <markz@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thierry Reding 2012-11-22 19:37:17 +00:00 committed by Dave Airlie
parent 82fe50bcc8
commit ac8f7c4894
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/dc.c
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@ -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);