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

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This regression has been introduced in

commit 5d2d38ddca
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>
This commit is contained in:
Daniel Vetter 2013-04-17 20:01:39 +02:00
parent 3b117c8f28
commit bd080ee57c
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_display.c
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@ -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;