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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2017-08-05 22:25:02 -0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-08-22 18:04:34 +1000 |
| commit | 3ce72bcf33c200e78b87699d20f8e5a564e29a98 (patch) | |
| tree | 3796822b2633546e14e4b5f4d5313c91dd29842f | |
| parent | d257f9bf06129613de539ea71ecea60848b662cd (diff) | |
| download | op-kernel-dev-3ce72bcf33c200e78b87699d20f8e5a564e29a98.zip op-kernel-dev-3ce72bcf33c200e78b87699d20f8e5a564e29a98.tar.gz | |
drm/nouveau/kms/nv04-nv40: prevent undisplayable framebuffers from creation
Pre-nv50 YUV overlays have stringent requirements for working with the
internal machinery. Instead of rejecting these at update_plane time, we
should instead prevent the framebuffers from being created in the first
place.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index d666400..2e7785f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -231,9 +231,30 @@ nouveau_framebuffer_new(struct drm_device *dev, struct nouveau_bo *nvbo, struct nouveau_framebuffer **pfb) { + struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_framebuffer *fb; int ret; + /* YUV overlays have special requirements pre-NV50 */ + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && + + (mode_cmd->pixel_format == DRM_FORMAT_YUYV || + mode_cmd->pixel_format == DRM_FORMAT_UYVY || + mode_cmd->pixel_format == DRM_FORMAT_NV12 || + mode_cmd->pixel_format == DRM_FORMAT_NV21) && + (mode_cmd->pitches[0] & 0x3f || /* align 64 */ + mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ + (mode_cmd->pitches[1] && /* pitches for planes must match */ + mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { + struct drm_format_name_buf format_name; + DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", + drm_get_format_name(mode_cmd->pixel_format, + &format_name), + mode_cmd->pitches[0], + mode_cmd->pitches[1]); + return -EINVAL; + } + if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) return -ENOMEM; |
