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drm/tegra: Don't disable unused planes
[deliverable/linux.git]
/
drivers
/
gpu
/
host1x
/
drm
/
dc.c
diff --git
a/drivers/gpu/host1x/drm/dc.c
b/drivers/gpu/host1x/drm/dc.c
index 8c04943f82e3531d75ee5565eab06c16e6f46b16..98f60d827558ee539b56dee3426f8b7a6bf3a6db 100644
(file)
--- a/
drivers/gpu/host1x/drm/dc.c
+++ b/
drivers/gpu/host1x/drm/dc.c
@@
-79,6
+79,9
@@
static int tegra_plane_disable(struct drm_plane *plane)
struct tegra_plane *p = to_tegra_plane(plane);
unsigned long value;
+ if (!plane->crtc)
+ return 0;
+
value = WINDOW_A_SELECT << p->index;
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
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