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drm/i915: check for supported depth at fb init time 

This will catch bad fb configs earlier.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-06-24 12:19:27 -07:00 committed by Keith Packard
parent 46e484566f
commit b5626747ec
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_display.c
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@ -7061,6 +7061,11 @@ int intel_framebuffer_init(struct drm_device *dev,
switch (mode_cmd->bpp) { switch (mode_cmd->bpp) {
case 8: case 8:
case 16: case 16:
/* Only pre-ILK can handle 5:5:5 */
if (mode_cmd->depth == 15 && !HAS_PCH_SPLIT(dev))
return -EINVAL;
break;
case 24: case 24:
case 32: case 32:
break; break;