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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c33
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 a9fb046b94a1..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 < 6)
+ 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;
}