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drm/i915: Add DEBUG messages to all intel_create_user_framebuffer error paths 

This proves to be very useful when investigating why code suddenly
started failing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-12-18 22:13:14 +00:00 committed by Daniel Vetter
parent cc7ebb2892
commit c16ed4be4c
1 changed files with 25 additions and 8 deletions
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33
drivers/gpu/drm/i915/intel_display.c
View File

@ -8598,19 +8598,30 @@ int intel_framebuffer_init(struct drm_device *dev,
{
int ret;
if (obj->tiling_mode == I915_TILING_Y)
if (obj->tiling_mode == I915_TILING_Y) {
DRM_DEBUG("hardware does not support tiling Y\n");
return -EINVAL;
}
if (mode_cmd->pitches[0] & 63)
if (mode_cmd->pitches[0] & 63) {
DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n",
mode_cmd->pitches[0]);
return -EINVAL;
}
/* FIXME <= Gen4 stride limits are bit unclear */
if (mode_cmd->pitches[0] > 32768)
if (mode_cmd->pitches[0] > 32768) {
DRM_DEBUG("pitch (%d) must be at less than 32768\n",
mode_cmd->pitches[0]);
return -EINVAL;
}
if (obj->tiling_mode != I915_TILING_NONE &&
mode_cmd->pitches[0] != obj->stride)
mode_cmd->pitches[0] != obj->stride) {
DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n",
mode_cmd->pitches[0], obj->stride);
return -EINVAL;
}
/* Reject formats not supported by any plane early. */
switch (mode_cmd->pixel_format) {
@ -8621,8 +8632,10 @@ int intel_framebuffer_init(struct drm_device *dev,
break;
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_ARGB1555:
if (INTEL_INFO(dev)->gen > 3)
if (INTEL_INFO(dev)->gen > 3) {
DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
return -EINVAL;
}
break;
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
@ -8630,18 +8643,22 @@ int intel_framebuffer_init(struct drm_device *dev,
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_ABGR2101010:
if (INTEL_INFO(dev)->gen < 4)
if (INTEL_INFO(dev)->gen < 4) {
DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
return -EINVAL;
}
break;
case DRM_FORMAT_YUYV:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_VYUY:
if (INTEL_INFO(dev)->gen < 5)
if (INTEL_INFO(dev)->gen < 5) {
DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
return -EINVAL;
}
break;
default:
DRM_DEBUG_KMS("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format);
DRM_DEBUG("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format);
return -EINVAL;
}