For future reference of things that might come in handy if we want to write our own display class:

Breakpoint 1, GetDisplayJumpTable (psDisplayJumpTable=0x16c1c) at omaplcd_client.c:1792
1792 omaplcd_client.c: No such file or directory.
in omaplcd_client.c
(gdb) print psDisplayJumpTable
$1 = (DISPLAY_CLASS_JUMP_TABLE *) 0x16c1c
(gdb) print *psDisplayJumpTable
$2 = {pfnInitDevice = 0, pfnDeInitDevice = 0, pfnEnumerateFormats = 0, pfnEnumerateDims = 0, pfnSetMode = 0,
pfnCreateSwapChain = 0, pfnDestroySwapChain = 0, pfnSetDstRect = 0, pfnSetSrcRect = 0, pfnSetDstCKColour = 0,
pfnSetSrcCKColour = 0, pfnGetSystemBuffer = 0, pfnGetBuffers = 0, pfnSwapToBuffer = 0, pfnSwapToSystem = 0,
pfnGetSysBusAddr = 0, pfnGetCPULinAddr = 0, pfnGetSyncObject = 0, pfnLockBuffer = 0, pfnUnlockBuffer = 0,
pfnGetDevInfo = 0, pfnSetupMMAPFuncs = 0, pfnSetFlipCmdComplete = 0, pfnInstallISR = 0, pfnUninstallISR = 0}

PVRSRV_ERROR CreateSwapChain(IMG_HANDLE, IMG_UINT32, DISPLAY_SURF_ATTRIBUTES *, DISPLAY_SURF_ATTRIBUTES *, IMG_UINT32,
IMG_UINT32, IMG_UINT32 *, IMG_HANDLE *);
PVRSRV_ERROR DeInitDevice(IMG_HANDLE);
PVRSRV_ERROR DestroySwapChain(IMG_HANDLE, IMG_HANDLE);
PVRSRV_ERROR EnumerateDims(IMG_HANDLE, IMG_UINT32 *, DISPLAY_FORMAT *, DISPLAY_DIMS **);
PVRSRV_ERROR EnumerateFormats(IMG_HANDLE, IMG_UINT32 *, DISPLAY_FORMAT *);
PVRSRV_ERROR GetBuffers(IMG_HANDLE, IMG_HANDLE *);
PVRSRV_ERROR GetCPULinAddr(IMG_HANDLE, IMG_CPU_VIRTADDR *);
PVRSRV_ERROR GetDeviceInfo(IMG_HANDLE, DISPLAY_INFO *);
PVRSRV_ERROR GetDisplayJumpTable(DISPLAY_CLASS_JUMP_TABLE *);
PVRSRV_ERROR GetSyncObject(IMG_HANDLE, PVRSRV_SYNC_INFO **);
PVRSRV_ERROR GetSysBusAddr(IMG_HANDLE, SYSTEM_ADDR **);
PVRSRV_ERROR GetSystemBuffer(IMG_HANDLE, IMG_HANDLE *);
IMG_HANDLE InitDevice(IMG_HANDLE, PFN_INSERT_CMD, PFN_SUBMIT_CMD);
PVRSRV_ERROR InstallVsyncISR(IMG_HANDLE);
PVRSRV_ERROR LockBuffer(IMG_HANDLE, IMG_HANDLE, IMG_RECT *, IMG_UINT32, IMG_CPU_VIRTADDR *, IMG_INT32 *, IMG_UINT32 *);
IMG_UINT32 MapSysPhysToDevPhysAddr(SYSTEM_ADDR *);
PVRSRV_ERROR SetDstCKColour(IMG_HANDLE, IMG_HANDLE, IMG_UINT32);
PVRSRV_ERROR SetDstRect(IMG_HANDLE, IMG_HANDLE, IMG_RECT *);
PVRSRV_ERROR SetFlipCmdComplete(void);
PVRSRV_ERROR SetMode(IMG_HANDLE, SYSTEM_ADDR *, DISPLAY_MODE_INFO *);
PVRSRV_ERROR SetSrcCKColour(IMG_HANDLE, IMG_HANDLE, IMG_UINT32);
PVRSRV_ERROR SetSrcRect(IMG_HANDLE, IMG_HANDLE, IMG_RECT *);
PVRSRV_ERROR SwapToBuffer(IMG_HANDLE, IMG_HANDLE, IMG_UINT32, IMG_RECT *, IMG_UINT32, IMG_HANDLE);
PVRSRV_ERROR SwapToSystem(IMG_HANDLE, IMG_HANDLE);
PVRSRV_ERROR UninstallVsyncISR(IMG_HANDLE);
PVRSRV_ERROR UnlockBuffer(IMG_HANDLE, IMG_HANDLE);
static PVRSRV_ERROR CreateSwapChainDevInfo(OMAPLCD_DEVINFO *, IMG_UINT32, IMG_UINT32, OMAPLCD_SWAP_CHAIN *,
DISPLAY_SURF_ATTRIBUTES *, DISPLAY_SURF_ATTRIBUTES *, IMG_UINT32 *);
static PVRSRV_ERROR DestroySwapChainDevInfo(OMAPLCD_SWAP_CHAIN *);
static void Flip(OMAPLCD_DEVINFO *, long unsigned int);
static void FlushQueue(OMAPLCD_DEVINFO *, void (*)(IMG_VOID *, long unsigned int), IMG_VOID *);

and
(gdb) print *psDisplayJumpTable
$11 = {pfnInitDevice = 0x400717e0 <InitDevice>, pfnDeInitDevice = 0x40071bcc <DeInitDevice>,
pfnEnumerateFormats = 0x40071d58 <EnumerateFormats>, pfnEnumerateDims = 0x40071e50 <EnumerateDims>,
pfnSetMode = 0x40071f74 <SetMode>, pfnCreateSwapChain = 0x40072048 <CreateSwapChain>,
pfnDestroySwapChain = 0x40072618 <DestroySwapChain>, pfnSetDstRect = 0x400726f8 <SetDstRect>,
pfnSetSrcRect = 0x4007277c <SetSrcRect>, pfnSetDstCKColour = 0x40072800 <SetDstCKColour>,
pfnSetSrcCKColour = 0x4007286c <SetSrcCKColour>, pfnGetSystemBuffer = 0x400728d8 <GetSystemBuffer>,
pfnGetBuffers = 0x40072944 <GetBuffers>, pfnSwapToBuffer = 0x40072a0c <SwapToBuffer>,
pfnSwapToSystem = 0x40072c14 <SwapToSystem>, pfnGetSysBusAddr = 0x40072dd4 <GetSysBusAddr>,
pfnGetCPULinAddr = 0x40072e4c <GetCPULinAddr>, pfnGetSyncObject = 0x40072eb8 <GetSyncObject>,
pfnLockBuffer = 0x40072f78 <LockBuffer>, pfnUnlockBuffer = 0x4007315c <UnlockBuffer>,
pfnGetDevInfo = 0x40072f24 <GetDeviceInfo>, pfnSetupMMAPFuncs = 0x400736e4 <SetupMMAPFuncs>,
pfnSetFlipCmdComplete = 0x40073190 <SetFlipCmdComplete>, pfnInstallISR = 0x400731ac <InstallVsyncISR>,
pfnUninstallISR = 0x40073204 <UninstallVsyncISR>}