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Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index e424755dd578..6b1dc02f98ef 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -809,9 +809,11 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm, return ERR_PTR(-ENOMEM); /* - * We'll treat the cursor as an overlay plane with index 6 here so - * that the update and activation request bits in DC_CMD_STATE_CONTROL - * match up. + * This index is kind of fake. The cursor isn't a regular plane, but + * its update and activation request bits in DC_CMD_STATE_CONTROL do + * use the same programming. Setting this fake index here allows the + * code in tegra_add_plane_state() to do the right thing without the + * need to special-casing the cursor plane. */ plane->index = 6; |