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authorLucas Stach <dev@lynxeye.de>2012-12-19 21:38:57 +0000
committerDave Airlie <airlied@redhat.com>2012-12-30 14:01:35 +1000
commit500df2e5d870ef5be3d37f0798f770028b69fd47 (patch)
tree7680e6b82fd5576762c7a5b8aea22183a0e3d03b
parente39250aa5246b43aae882274e345620f665ab5ef (diff)
downloadconfigs-500df2e5d870ef5be3d37f0798f770028b69fd47.tar.gz
drm: tegra: program only one window during modeset
The intention is to program exactly WIN_A, not WIN_A and possibly others. Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/tegra/dc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index b256574409e..3475bd9f971 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -223,8 +223,7 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
win.stride = crtc->fb->pitches[0];
/* program window registers */
- value = tegra_dc_readl(dc, DC_CMD_DISPLAY_WINDOW_HEADER);
- value |= WINDOW_A_SELECT;
+ value = WINDOW_A_SELECT;
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
tegra_dc_writel(dc, win.fmt, DC_WIN_COLOR_DEPTH);