drm/tegra: Fix color expansion

bpp stores the number of bytes per pixel, but color expansion needs to
be enabled for less than 24 bits per pixel.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 20864002cf39..bf8095c55bd1 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -500,7 +500,7 @@ int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
                 tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KVB);
 
                 value |= CSC_ENABLE;
-        } else if (bpp < 24) {
+        } else if (window->bits_per_pixel < 24) {
                 value |= COLOR_EXPAND;
         }