diff options
| author | Michel Dänzer <daenzer@vmware.com> | 2011-01-05 18:54:45 +0100 |
|---|---|---|
| committer | Michel Dänzer <daenzer@vmware.com> | 2011-01-11 13:22:41 +0100 |
| commit | 11a0c16d67c9a4d4f082efba03a4baf8497f6dba (patch) | |
| tree | 2bc91a18e94cf687642d31a1ce91ca8f8b438522 /vmwgfx_kms.c | |
| parent | 0105a58adf85848e063db67a53cf16642b1fa8e2 (diff) | |
vmwgfx: Print error diagnostics if depth doesn't match the host expectation.
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Diffstat (limited to 'vmwgfx_kms.c')
| -rw-r--r-- | vmwgfx_kms.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/vmwgfx_kms.c b/vmwgfx_kms.c index 3e59f80..2793734 100644 --- a/vmwgfx_kms.c +++ b/vmwgfx_kms.c @@ -990,7 +990,7 @@ out: return ret; } -void vmw_kms_write_svga(struct vmw_private *vmw_priv, +int vmw_kms_write_svga(struct vmw_private *vmw_priv, unsigned width, unsigned height, unsigned pitch, unsigned bpp, unsigned depth) { @@ -1001,6 +1001,14 @@ void vmw_kms_write_svga(struct vmw_private *vmw_priv, vmw_write(vmw_priv, SVGA_REG_WIDTH, width); vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); + + if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { + DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", + depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); + return -EINVAL; + } + + return 0; } int vmw_kms_save_vga(struct vmw_private *vmw_priv) |