drm/i915: fix bpc vs. bpp confusion in intel_crtc_compute_config

Oops.

This regression has been introduced in

commit 5d2d38ddcac991f71c19d03d95bde8e14abc0352
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Mar 27 00:45:01 2013 +0100

    drm/i915: clean up pipe bpp confusion

Reported-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c5bf283..6e423e0 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4003,9 +4003,9 @@ static bool intel_crtc_compute_config(struct drm_crtc *crtc,
                adjusted_mode->hsync_start == adjusted_mode->hdisplay)
                return false;
 
-       if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10) {
+       if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) {
                pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */
-       } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8) {
+       } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) {
                /* only a 8bpc pipe, with 6bpc dither through the panel fitter
                 * for lvds. */
                pipe_config->pipe_bpp = 8*3;