From: Jakob Bornecrantz jakob@vmware.com
Signed-off-by: Jakob Bornecrantz jakob@vmware.com Reviewed-by: Thomas Hellstrom thellstrom@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index b4b9aa9..0921cce 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -776,6 +776,33 @@ static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, return -EINVAL; }
+ /* Limited framebuffer color depth support for screen objects */ + if (dev_priv->sou_priv) { + switch (mode_cmd->depth) { + case 32: + case 24: + /* Only support 32 bpp for 32 and 24 depth fbs */ + if (mode_cmd->bpp == 32) + break; + + DRM_ERROR("Invalid color depth/bbp: %d %d\n", + mode_cmd->depth, mode_cmd->bpp); + return -EINVAL; + case 16: + case 15: + /* Only support 16 bpp for 16 and 15 depth fbs */ + if (mode_cmd->bpp == 16) + break; + + DRM_ERROR("Invalid color depth/bbp: %d %d\n", + mode_cmd->depth, mode_cmd->bpp); + return -EINVAL; + default: + DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); + return -EINVAL; + } + } + vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); if (!vfbd) { ret = -ENOMEM;