diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-12-19 02:13:14 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-01-08 20:55:41 +0400 |
| commit | c16ed4be4c3c691e8c11dc6d22490f79f030d300 (patch) | |
| tree | 6dd2680e2dec8e022454a12d57b0762e5eedcfb6 /drivers | |
| parent | cc7ebb2892197fbf2512063547dfd1702bc936fa (diff) | |
| download | linux-c16ed4be4c3c691e8c11dc6d22490f79f030d300.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5c869cb26528..da1ad9c80bb5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -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; } |