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>

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 20864002cf392cc7c0340ecf4a85246af6dae2f9..bf8095c55bd1320aa4c178935eb2ac716c0053fb 100644 (file)
--- 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;
        }