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0d37c7e4b5
xserver-multidpi/hw/xfree86/drivers/modesetting/driver.c
Keith Packard 0d37c7e4b5 modesetting: Detect whether damage tracking is needed 
Call drmModeDirtyFB and check the return value to detect whether the
driver support for damage tracking is present, only initialize it in
that case.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
2014-12-25 12:59:56 -08:00

1244 lines
32 KiB
C
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/*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright 2011 Dave Airlie
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Alan Hourihane <alanh@tungstengraphics.com>
* Rewrite: Dave Airlie <airlied@redhat.com>
*
*/
#ifdef HAVE_DIX_CONFIG_H
#include "dix-config.h"
#endif
#include <unistd.h>
#include <fcntl.h>
#include "xf86.h"
#include "xf86_OSproc.h"
#include "compiler.h"
#include "xf86Pci.h"
#include "mipointer.h"
#include "micmap.h"
#include <X11/extensions/randr.h>
#include "fb.h"
#include "edid.h"
#include "xf86i2c.h"
#include "xf86Crtc.h"
#include "miscstruct.h"
#include "dixstruct.h"
#include "shadow.h"
#include "xf86xv.h"
#include <X11/extensions/Xv.h>
#include <xorg-config.h>
#ifdef XSERVER_PLATFORM_BUS
#include "xf86platformBus.h"
#endif
#if XSERVER_LIBPCIACCESS
#include <pciaccess.h>
#endif
#include "driver.h"
#ifdef GLAMOR
#define GLAMOR_FOR_XORG 1
#include "glamor.h"
#endif
static void AdjustFrame(ScrnInfoPtr pScrn, int x, int y);
static Bool CloseScreen(ScreenPtr pScreen);
static Bool EnterVT(ScrnInfoPtr pScrn);
static void Identify(int flags);
static const OptionInfoRec *AvailableOptions(int chipid, int busid);
static ModeStatus ValidMode(ScrnInfoPtr pScrn, DisplayModePtr mode,
Bool verbose, int flags);
static void FreeScreen(ScrnInfoPtr pScrn);
static void LeaveVT(ScrnInfoPtr pScrn);
static Bool SwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode);
static Bool ScreenInit(ScreenPtr pScreen, int argc, char **argv);
static Bool PreInit(ScrnInfoPtr pScrn, int flags);
static Bool Probe(DriverPtr drv, int flags);
static Bool ms_pci_probe(DriverPtr driver,
int entity_num, struct pci_device *device,
intptr_t match_data);
static Bool ms_driver_func(ScrnInfoPtr scrn, xorgDriverFuncOp op, void *data);
#ifdef XSERVER_LIBPCIACCESS
static const struct pci_id_match ms_device_match[] = {
{
PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
0x00030000, 0x00ff0000, 0},
{0, 0, 0},
};
#endif
#ifdef XSERVER_PLATFORM_BUS
static Bool ms_platform_probe(DriverPtr driver,
int entity_num, int flags,
struct xf86_platform_device *device,
intptr_t match_data);
#endif
_X_EXPORT DriverRec modesetting = {
1,
"modesetting",
Identify,
Probe,
AvailableOptions,
NULL,
0,
ms_driver_func,
ms_device_match,
ms_pci_probe,
#ifdef XSERVER_PLATFORM_BUS
ms_platform_probe,
#endif
};
static SymTabRec Chipsets[] = {
{0, "kms"},
{-1, NULL}
};
typedef enum {
OPTION_SW_CURSOR,
OPTION_DEVICE_PATH,
OPTION_SHADOW_FB,
OPTION_ACCEL_METHOD,
} modesettingOpts;
static const OptionInfoRec Options[] = {
{OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
{OPTION_DEVICE_PATH, "kmsdev", OPTV_STRING, {0}, FALSE},
{OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE},
{OPTION_ACCEL_METHOD, "AccelMethod", OPTV_STRING, {0}, FALSE},
{-1, NULL, OPTV_NONE, {0}, FALSE}
};
int modesettingEntityIndex = -1;
static MODULESETUPPROTO(Setup);
static XF86ModuleVersionInfo VersRec = {
"modesetting",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XORG_VERSION_CURRENT,
XORG_VERSION_MAJOR,
XORG_VERSION_MINOR,
XORG_VERSION_PATCH,
ABI_CLASS_VIDEODRV,
ABI_VIDEODRV_VERSION,
MOD_CLASS_VIDEODRV,
{0, 0, 0, 0}
};
_X_EXPORT XF86ModuleData modesettingModuleData = { &VersRec, Setup, NULL };
static void *
Setup(void *module, void *opts, int *errmaj, int *errmin)
{
static Bool setupDone = 0;
/* This module should be loaded only once, but check to be sure.
*/
if (!setupDone) {
setupDone = 1;
xf86AddDriver(&modesetting, module, HaveDriverFuncs);
/*
* The return value must be non-NULL on success even though there
* is no TearDownProc.
*/
return (void *) 1;
}
else {
if (errmaj)
*errmaj = LDR_ONCEONLY;
return NULL;
}
}
static void
Identify(int flags)
{
xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
Chipsets);
}
static int
open_hw(const char *dev)
{
int fd;
if (dev)
fd = open(dev, O_RDWR, 0);
else {
dev = getenv("KMSDEVICE");
if ((NULL == dev) || ((fd = open(dev, O_RDWR, 0)) == -1)) {
dev = "/dev/dri/card0";
fd = open(dev, O_RDWR, 0);
}
}
if (fd == -1)
xf86DrvMsg(-1, X_ERROR, "open %s: %s\n", dev, strerror(errno));
return fd;
}
static int
check_outputs(int fd)
{
drmModeResPtr res = drmModeGetResources(fd);
int ret;
if (!res)
return FALSE;
ret = res->count_connectors > 0;
drmModeFreeResources(res);
return ret;
}
static Bool
probe_hw(const char *dev, struct xf86_platform_device *platform_dev)
{
int fd;
#if XF86_PDEV_SERVER_FD
if (platform_dev && (platform_dev->flags & XF86_PDEV_SERVER_FD)) {
fd = xf86_platform_device_odev_attributes(platform_dev)->fd;
if (fd == -1)
return FALSE;
return check_outputs(fd);
}
#endif
fd = open_hw(dev);
if (fd != -1) {
int ret = check_outputs(fd);
close(fd);
return ret;
}
return FALSE;
}
static char *
ms_DRICreatePCIBusID(const struct pci_device *dev)
{
char *busID;
if (asprintf(&busID, "pci:%04x:%02x:%02x.%d",
dev->domain, dev->bus, dev->dev, dev->func) == -1)
return NULL;
return busID;
}
static Bool
probe_hw_pci(const char *dev, struct pci_device *pdev)
{
int ret = FALSE, fd = open_hw(dev);
char *id, *devid;
drmSetVersion sv;
if (fd == -1)
return FALSE;
sv.drm_di_major = 1;
sv.drm_di_minor = 4;
sv.drm_dd_major = -1;
sv.drm_dd_minor = -1;
if (drmSetInterfaceVersion(fd, &sv)) {
close(fd);
return FALSE;
}
id = drmGetBusid(fd);
devid = ms_DRICreatePCIBusID(pdev);
if (id && devid && !strcmp(id, devid))
ret = check_outputs(fd);
close(fd);
free(id);
free(devid);
return ret;
}
static const OptionInfoRec *
AvailableOptions(int chipid, int busid)
{
return Options;
}
static Bool
ms_driver_func(ScrnInfoPtr scrn, xorgDriverFuncOp op, void *data)
{
xorgHWFlags *flag;
switch (op) {
case GET_REQUIRED_HW_INTERFACES:
flag = (CARD32 *) data;
(*flag) = 0;
return TRUE;
case SUPPORTS_SERVER_FDS:
return TRUE;
default:
return FALSE;
}
}
static void
ms_setup_scrn_hooks(ScrnInfoPtr scrn)
{
scrn->driverVersion = 1;
scrn->driverName = "modesetting";
scrn->name = "modeset";
scrn->Probe = NULL;
scrn->PreInit = PreInit;
scrn->ScreenInit = ScreenInit;
scrn->SwitchMode = SwitchMode;
scrn->AdjustFrame = AdjustFrame;
scrn->EnterVT = EnterVT;
scrn->LeaveVT = LeaveVT;
scrn->FreeScreen = FreeScreen;
scrn->ValidMode = ValidMode;
}
#if XSERVER_LIBPCIACCESS
static Bool
ms_pci_probe(DriverPtr driver,
int entity_num, struct pci_device *dev, intptr_t match_data)
{
ScrnInfoPtr scrn = NULL;
scrn = xf86ConfigPciEntity(scrn, 0, entity_num, NULL,
NULL, NULL, NULL, NULL, NULL);
if (scrn) {
const char *devpath;
GDevPtr devSection = xf86GetDevFromEntity(scrn->entityList[0],
scrn->entityInstanceList[0]);
devpath = xf86FindOptionValue(devSection->options, "kmsdev");
if (probe_hw_pci(devpath, dev)) {
ms_setup_scrn_hooks(scrn);
xf86DrvMsg(scrn->scrnIndex, X_CONFIG,
"claimed PCI slot %d@%d:%d:%d\n",
dev->bus, dev->domain, dev->dev, dev->func);
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"using %s\n", devpath ? devpath : "default device");
}
else
scrn = NULL;
}
return scrn != NULL;
}
#endif
#ifdef XSERVER_PLATFORM_BUS
static Bool
ms_platform_probe(DriverPtr driver,
int entity_num, int flags, struct xf86_platform_device *dev,
intptr_t match_data)
{
ScrnInfoPtr scrn = NULL;
const char *path = xf86_platform_device_odev_attributes(dev)->path;
int scr_flags = 0;
if (flags & PLATFORM_PROBE_GPU_SCREEN)
scr_flags = XF86_ALLOCATE_GPU_SCREEN;
if (probe_hw(path, dev)) {
scrn = xf86AllocateScreen(driver, scr_flags);
xf86AddEntityToScreen(scrn, entity_num);
ms_setup_scrn_hooks(scrn);
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"using drv %s\n", path ? path : "default device");
}
return scrn != NULL;
}
#endif
static Bool
Probe(DriverPtr drv, int flags)
{
int i, numDevSections;
GDevPtr *devSections;
Bool foundScreen = FALSE;
const char *dev;
ScrnInfoPtr scrn = NULL;
/* For now, just bail out for PROBE_DETECT. */
if (flags & PROBE_DETECT)
return FALSE;
/*
* Find the config file Device sections that match this
* driver, and return if there are none.
*/
if ((numDevSections = xf86MatchDevice("modesetting", &devSections)) <= 0) {
return FALSE;
}
for (i = 0; i < numDevSections; i++) {
dev = xf86FindOptionValue(devSections[i]->options, "kmsdev");
if (probe_hw(dev, NULL)) {
int entity;
entity = xf86ClaimFbSlot(drv, 0, devSections[i], TRUE);
scrn = xf86ConfigFbEntity(scrn, 0, entity, NULL, NULL, NULL, NULL);
}
if (scrn) {
foundScreen = TRUE;
ms_setup_scrn_hooks(scrn);
scrn->Probe = Probe;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"using %s\n", dev ? dev : "default device");
}
}
free(devSections);
return foundScreen;
}
static Bool
GetRec(ScrnInfoPtr pScrn)
{
if (pScrn->driverPrivate)
return TRUE;
pScrn->driverPrivate = xnfcalloc(sizeof(modesettingRec), 1);
return TRUE;
}
static int
dispatch_dirty_region(ScrnInfoPtr scrn,
PixmapPtr pixmap, DamagePtr damage, int fb_id)
{
modesettingPtr ms = modesettingPTR(scrn);
RegionPtr dirty = DamageRegion(damage);
unsigned num_cliprects = REGION_NUM_RECTS(dirty);
int ret = 0;
if (num_cliprects) {
drmModeClip *clip = malloc(num_cliprects * sizeof(drmModeClip));
BoxPtr rect = REGION_RECTS(dirty);
int i;
if (!clip)
return -ENOMEM;
/* XXX no need for copy? */
for (i = 0; i < num_cliprects; i++, rect++) {
clip[i].x1 = rect->x1;
clip[i].y1 = rect->y1;
clip[i].x2 = rect->x2;
clip[i].y2 = rect->y2;
}
/* TODO query connector property to see if this is needed */
ret = drmModeDirtyFB(ms->fd, fb_id, clip, num_cliprects);
free(clip);
DamageEmpty(damage);
}
return ret;
}
static void
dispatch_dirty(ScreenPtr pScreen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
modesettingPtr ms = modesettingPTR(scrn);
PixmapPtr pixmap = pScreen->GetScreenPixmap(pScreen);
int fb_id = ms->drmmode.fb_id;
int ret;
ret = dispatch_dirty_region(scrn, pixmap, ms->damage, fb_id);
if (ret == -EINVAL || ret == -ENOSYS) {
ms->dirty_enabled = FALSE;
DamageUnregister(ms->damage);
DamageDestroy(ms->damage);
ms->damage = NULL;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Disabling kernel dirty updates, not required.\n");
return;
}
}
static void
dispatch_dirty_crtc(ScrnInfoPtr scrn, xf86CrtcPtr crtc)
{
modesettingPtr ms = modesettingPTR(scrn);
PixmapPtr pixmap = crtc->randr_crtc->scanout_pixmap;
msPixmapPrivPtr ppriv = msGetPixmapPriv(&ms->drmmode, pixmap);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
DamagePtr damage = drmmode_crtc->slave_damage;
int fb_id = ppriv->fb_id;
int ret;
ret = dispatch_dirty_region(scrn, pixmap, damage, fb_id);
if (ret) {
}
}
static void
dispatch_slave_dirty(ScreenPtr pScreen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
int c;
for (c = 0; c < xf86_config->num_crtc; c++) {
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (!crtc->randr_crtc)
continue;
if (!crtc->randr_crtc->scanout_pixmap)
continue;
dispatch_dirty_crtc(scrn, crtc);
}
}
static void
msBlockHandler(ScreenPtr pScreen, void *pTimeout, void *pReadmask)
{
modesettingPtr ms = modesettingPTR(xf86ScreenToScrn(pScreen));
pScreen->BlockHandler = ms->BlockHandler;
pScreen->BlockHandler(pScreen, pTimeout, pReadmask);
pScreen->BlockHandler = msBlockHandler;
if (pScreen->isGPU)
dispatch_slave_dirty(pScreen);
else if (ms->dirty_enabled)
dispatch_dirty(pScreen);
}
static void
FreeRec(ScrnInfoPtr pScrn)
{
modesettingPtr ms;
if (!pScrn)
return;
ms = modesettingPTR(pScrn);
if (!ms)
return;
pScrn->driverPrivate = NULL;
if (ms->fd > 0) {
int ret;
if (ms->pEnt->location.type == BUS_PCI)
ret = drmClose(ms->fd);
else
#ifdef XF86_PDEV_SERVER_FD
if (!(ms->pEnt->location.type == BUS_PLATFORM &&
(ms->pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD)))
#endif
ret = close(ms->fd);
(void) ret;
}
free(ms->Options);
free(ms);
}
static void
try_enable_glamor(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
const char *accel_method_str = xf86GetOptValString(ms->Options,
OPTION_ACCEL_METHOD);
Bool do_glamor = (!accel_method_str ||
strcmp(accel_method_str, "glamor") == 0);
ms->drmmode.glamor = FALSE;
#ifdef GLAMOR
if (!do_glamor) {
xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "glamor disabled\n");
return;
}
if (xf86LoadSubModule(pScrn, GLAMOR_EGL_MODULE_NAME)) {
if (glamor_egl_init(pScrn, ms->fd)) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "glamor initialized\n");
ms->drmmode.glamor = TRUE;
} else {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"glamor initialization failed\n");
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to load glamor module.\n");
}
#else
if (do_glamor) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"No glamor support in the X Server\n");
}
#endif
}
#ifndef DRM_CAP_CURSOR_WIDTH
#define DRM_CAP_CURSOR_WIDTH 0x8
#endif
#ifndef DRM_CAP_CURSOR_HEIGHT
#define DRM_CAP_CURSOR_HEIGHT 0x9
#endif
static Bool
PreInit(ScrnInfoPtr pScrn, int flags)
{
modesettingPtr ms;
rgb defaultWeight = { 0, 0, 0 };
EntityInfoPtr pEnt;
EntPtr msEnt = NULL;
char *BusID = NULL;
const char *devicename;
uint64_t value = 0;
int ret;
int bppflags;
int defaultdepth, defaultbpp;
if (pScrn->numEntities != 1)
return FALSE;
pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
if (flags & PROBE_DETECT) {
return FALSE;
}
/* Allocate driverPrivate */
if (!GetRec(pScrn))
return FALSE;
ms = modesettingPTR(pScrn);
ms->SaveGeneration = -1;
ms->pEnt = pEnt;
pScrn->displayWidth = 640; /* default it */
/* Allocate an entity private if necessary */
if (xf86IsEntityShared(pScrn->entityList[0])) {
msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
modesettingEntityIndex)->ptr;
ms->entityPrivate = msEnt;
}
else
ms->entityPrivate = NULL;
if (xf86IsEntityShared(pScrn->entityList[0])) {
if (xf86IsPrimInitDone(pScrn->entityList[0])) {
/* do something */
}
else {
xf86SetPrimInitDone(pScrn->entityList[0]);
}
}
pScrn->monitor = pScrn->confScreen->monitor;
pScrn->progClock = TRUE;
pScrn->rgbBits = 8;
#if XSERVER_PLATFORM_BUS
if (pEnt->location.type == BUS_PLATFORM) {
#ifdef XF86_PDEV_SERVER_FD
if (pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD)
ms->fd =
xf86_platform_device_odev_attributes(pEnt->location.id.plat)->
fd;
else
#endif
{
char *path =
xf86_platform_device_odev_attributes(pEnt->location.id.plat)->
path;
ms->fd = open_hw(path);
}
}
else
#endif
if (pEnt->location.type == BUS_PCI) {
ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
if (ms->PciInfo) {
BusID = malloc(64);
sprintf(BusID, "PCI:%d:%d:%d",
#if XSERVER_LIBPCIACCESS
((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
ms->PciInfo->dev, ms->PciInfo->func
#else
((pciConfigPtr) ms->PciInfo->thisCard)->busnum,
((pciConfigPtr) ms->PciInfo->thisCard)->devnum,
((pciConfigPtr) ms->PciInfo->thisCard)->funcnum
#endif
);
}
ms->fd = drmOpen(NULL, BusID);
}
else {
devicename = xf86FindOptionValue(ms->pEnt->device->options, "kmsdev");
ms->fd = open_hw(devicename);
}
if (ms->fd < 0)
return FALSE;
ms->drmmode.fd = ms->fd;
pScrn->capabilities = 0;
#ifdef DRM_CAP_PRIME
ret = drmGetCap(ms->fd, DRM_CAP_PRIME, &value);
if (ret == 0) {
if (value & DRM_PRIME_CAP_IMPORT)
pScrn->capabilities |= RR_Capability_SinkOutput;
}
#endif
drmmode_get_default_bpp(pScrn, &ms->drmmode, &defaultdepth, &defaultbpp);
if (defaultdepth == 24 && defaultbpp == 24)
bppflags = SupportConvert32to24 | Support24bppFb;
else
bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
if (!xf86SetDepthBpp
(pScrn, defaultdepth, defaultdepth, defaultbpp, bppflags))
return FALSE;
switch (pScrn->depth) {
case 15:
case 16:
case 24:
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Given depth (%d) is not supported by the driver\n",
pScrn->depth);
return FALSE;
}
xf86PrintDepthBpp(pScrn);
/* Process the options */
xf86CollectOptions(pScrn, NULL);
if (!(ms->Options = malloc(sizeof(Options))))
return FALSE;
memcpy(ms->Options, Options, sizeof(Options));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
return FALSE;
if (!xf86SetDefaultVisual(pScrn, -1))
return FALSE;
if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
ms->drmmode.sw_cursor = TRUE;
}
ms->cursor_width = 64;
ms->cursor_height = 64;
ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_WIDTH, &value);
if (!ret) {
ms->cursor_width = value;
}
ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_HEIGHT, &value);
if (!ret) {
ms->cursor_height = value;
}
try_enable_glamor(pScrn);
if (ms->drmmode.glamor) {
xf86LoadSubModule(pScrn, "dri2");
} else {
Bool prefer_shadow = TRUE;
ret = drmGetCap(ms->fd, DRM_CAP_DUMB_PREFER_SHADOW, &value);
if (!ret) {
prefer_shadow = !!value;
}
ms->drmmode.shadow_enable = xf86ReturnOptValBool(ms->Options,
OPTION_SHADOW_FB,
prefer_shadow);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"ShadowFB: preferred %s, enabled %s\n",
prefer_shadow ? "YES" : "NO",
ms->drmmode.shadow_enable ? "YES" : "NO");
}
if (drmmode_pre_init(pScrn, &ms->drmmode, pScrn->bitsPerPixel / 8) == FALSE) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "KMS setup failed\n");
goto fail;
}
/*
* If the driver can do gamma correction, it should call xf86SetGamma() here.
*/
{
Gamma zeros = { 0.0, 0.0, 0.0 };
if (!xf86SetGamma(pScrn, zeros)) {
return FALSE;
}
}
if (pScrn->modes == NULL) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
return FALSE;
}
pScrn->currentMode = pScrn->modes;
/* Set display resolution */
xf86SetDpi(pScrn, 0, 0);
/* Load the required sub modules */
if (!xf86LoadSubModule(pScrn, "fb")) {
return FALSE;
}
if (ms->drmmode.shadow_enable) {
if (!xf86LoadSubModule(pScrn, "shadow")) {
return FALSE;
}
}
return TRUE;
fail:
return FALSE;
}
static void *
msShadowWindow(ScreenPtr screen, CARD32 row, CARD32 offset, int mode,
CARD32 *size, void *closure)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(screen);
modesettingPtr ms = modesettingPTR(pScrn);
int stride;
stride = (pScrn->displayWidth * pScrn->bitsPerPixel) / 8;
*size = stride;
return ((uint8_t *) ms->drmmode.front_bo.dumb->ptr + row * stride + offset);
}
static void
msUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf)
{
shadowUpdatePacked(pScreen, pBuf);
}
static Bool
CreateScreenResources(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
modesettingPtr ms = modesettingPTR(pScrn);
PixmapPtr rootPixmap;
Bool ret;
void *pixels = NULL;
int err;
pScreen->CreateScreenResources = ms->createScreenResources;
ret = pScreen->CreateScreenResources(pScreen);
pScreen->CreateScreenResources = CreateScreenResources;
if (!drmmode_set_desired_modes(pScrn, &ms->drmmode))
return FALSE;
if (!drmmode_glamor_handle_new_screen_pixmap(&ms->drmmode))
return FALSE;
drmmode_uevent_init(pScrn, &ms->drmmode);
if (!ms->drmmode.sw_cursor)
drmmode_map_cursor_bos(pScrn, &ms->drmmode);
if (!ms->drmmode.gbm) {
pixels = drmmode_map_front_bo(&ms->drmmode);
if (!pixels)
return FALSE;
}
rootPixmap = pScreen->GetScreenPixmap(pScreen);
if (ms->drmmode.shadow_enable)
pixels = ms->drmmode.shadow_fb;
if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, pixels))
FatalError("Couldn't adjust screen pixmap\n");
if (ms->drmmode.shadow_enable) {
if (!shadowAdd(pScreen, rootPixmap, msUpdatePacked,
msShadowWindow, 0, 0))
return FALSE;
}
err = drmModeDirtyFB(ms->fd, ms->drmmode.fb_id, NULL, 0);
if (err != -EINVAL && err != -ENOSYS) {
ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
pScreen, rootPixmap);
if (ms->damage) {
DamageRegister(&rootPixmap->drawable, ms->damage);
ms->dirty_enabled = TRUE;
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
}
else {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to create screen damage record\n");
return FALSE;
}
}
return ret;
}
static Bool
msShadowInit(ScreenPtr pScreen)
{
if (!shadowSetup(pScreen)) {
return FALSE;
}
return TRUE;
}
static Bool
msSetSharedPixmapBacking(PixmapPtr ppix, void *fd_handle)
{
ScreenPtr screen = ppix->drawable.pScreen;
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
modesettingPtr ms = modesettingPTR(scrn);
Bool ret;
int size = ppix->devKind * ppix->drawable.height;
int ihandle = (int) (long) fd_handle;
ret = drmmode_SetSlaveBO(ppix, &ms->drmmode, ihandle, ppix->devKind, size);
if (ret == FALSE)
return ret;
return TRUE;
}
static Bool
SetMaster(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
int ret;
#ifdef XF86_PDEV_SERVER_FD
if (ms->pEnt->location.type == BUS_PLATFORM &&
(ms->pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD))
return TRUE;
#endif
ret = drmSetMaster(ms->fd);
if (ret)
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "drmSetMaster failed: %s\n",
strerror(errno));
return ret == 0;
}
static Bool
ScreenInit(ScreenPtr pScreen, int argc, char **argv)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
modesettingPtr ms = modesettingPTR(pScrn);
VisualPtr visual;
pScrn->pScreen = pScreen;
if (!SetMaster(pScrn))
return FALSE;
#ifdef GLAMOR_HAS_GBM
if (ms->drmmode.glamor)
ms->drmmode.gbm = glamor_egl_get_gbm_device(pScreen);
#endif
/* HW dependent - FIXME */
pScrn->displayWidth = pScrn->virtualX;
if (!drmmode_create_initial_bos(pScrn, &ms->drmmode))
return FALSE;
if (ms->drmmode.shadow_enable) {
ms->drmmode.shadow_fb =
calloc(1,
pScrn->displayWidth * pScrn->virtualY *
((pScrn->bitsPerPixel + 7) >> 3));
if (!ms->drmmode.shadow_fb)
ms->drmmode.shadow_enable = FALSE;
}
miClearVisualTypes();
if (!miSetVisualTypes(pScrn->depth,
miGetDefaultVisualMask(pScrn->depth),
pScrn->rgbBits, pScrn->defaultVisual))
return FALSE;
if (!miSetPixmapDepths())
return FALSE;
if (!dixRegisterScreenSpecificPrivateKey
(pScreen, &ms->drmmode.pixmapPrivateKeyRec, PRIVATE_PIXMAP,
sizeof(msPixmapPrivRec))) {
return FALSE;
}
pScrn->memPhysBase = 0;
pScrn->fbOffset = 0;
if (!fbScreenInit(pScreen, NULL,
pScrn->virtualX, pScrn->virtualY,
pScrn->xDpi, pScrn->yDpi,
pScrn->displayWidth, pScrn->bitsPerPixel))
return FALSE;
if (pScrn->bitsPerPixel > 8) {
/* Fixup RGB ordering */
visual = pScreen->visuals + pScreen->numVisuals;
while (--visual >= pScreen->visuals) {
if ((visual->class | DynamicClass) == DirectColor) {
visual->offsetRed = pScrn->offset.red;
visual->offsetGreen = pScrn->offset.green;
visual->offsetBlue = pScrn->offset.blue;
visual->redMask = pScrn->mask.red;
visual->greenMask = pScrn->mask.green;
visual->blueMask = pScrn->mask.blue;
}
}
}
fbPictureInit(pScreen, NULL, 0);
#ifdef GLAMOR
if (ms->drmmode.glamor) {
if (!glamor_init(pScreen,
GLAMOR_USE_EGL_SCREEN |
GLAMOR_USE_SCREEN |
GLAMOR_USE_PICTURE_SCREEN)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to initialize glamor at ScreenInit() time.\n");
return FALSE;
}
}
#endif
if (ms->drmmode.shadow_enable && !msShadowInit(pScreen)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "shadow fb init failed\n");
return FALSE;
}
ms->createScreenResources = pScreen->CreateScreenResources;
pScreen->CreateScreenResources = CreateScreenResources;
xf86SetBlackWhitePixels(pScreen);
xf86SetBackingStore(pScreen);
xf86SetSilkenMouse(pScreen);
miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
/* Need to extend HWcursor support to handle mask interleave */
if (!ms->drmmode.sw_cursor)
xf86_cursors_init(pScreen, ms->cursor_width, ms->cursor_height,
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
HARDWARE_CURSOR_ARGB);
/* Must force it before EnterVT, so we are in control of VT and
* later memory should be bound when allocating, e.g rotate_mem */
pScrn->vtSema = TRUE;
pScreen->SaveScreen = xf86SaveScreen;
ms->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = CloseScreen;
ms->BlockHandler = pScreen->BlockHandler;
pScreen->BlockHandler = msBlockHandler;
pScreen->SetSharedPixmapBacking = msSetSharedPixmapBacking;
if (!xf86CrtcScreenInit(pScreen))
return FALSE;
if (!miCreateDefColormap(pScreen))
return FALSE;
xf86DPMSInit(pScreen, xf86DPMSSet, 0);
#ifdef GLAMOR
if (ms->drmmode.glamor) {
XF86VideoAdaptorPtr glamor_adaptor;
glamor_adaptor = glamor_xv_init(pScreen, 16);
if (glamor_adaptor != NULL)
xf86XVScreenInit(pScreen, &glamor_adaptor, 1);
else
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to initialize XV support.\n");
}
#endif
if (serverGeneration == 1)
xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
if (!ms_vblank_screen_init(pScreen)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to initialize vblank support.\n");
return FALSE;
}
#ifdef GLAMOR
if (ms->drmmode.glamor) {
if (!ms_dri2_screen_init(pScreen)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to initialize the DRI2 extension.\n");
}
}
#endif
return EnterVT(pScrn);
}
static void
AdjustFrame(ScrnInfoPtr pScrn, int x, int y)
{
modesettingPtr ms = modesettingPTR(pScrn);
drmmode_adjust_frame(pScrn, &ms->drmmode, x, y);
}
static void
FreeScreen(ScrnInfoPtr pScrn)
{
FreeRec(pScrn);
}
static void
LeaveVT(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
xf86_hide_cursors(pScrn);
pScrn->vtSema = FALSE;
#ifdef XF86_PDEV_SERVER_FD
if (ms->pEnt->location.type == BUS_PLATFORM &&
(ms->pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD))
return;
#endif
drmDropMaster(ms->fd);
}
/*
* This gets called when gaining control of the VT, and from ScreenInit().
*/
static Bool
EnterVT(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
pScrn->vtSema = TRUE;
SetMaster(pScrn);
if (!drmmode_set_desired_modes(pScrn, &ms->drmmode))
return FALSE;
return TRUE;
}
static Bool
SwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode)
{
return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
}
static Bool
CloseScreen(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
modesettingPtr ms = modesettingPTR(pScrn);
#ifdef GLAMOR
if (ms->drmmode.glamor) {
ms_dri2_close_screen(pScreen);
}
#endif
ms_vblank_close_screen(pScreen);
if (ms->damage) {
DamageUnregister(ms->damage);
DamageDestroy(ms->damage);
ms->damage = NULL;
}
if (ms->drmmode.shadow_enable) {
shadowRemove(pScreen, pScreen->GetScreenPixmap(pScreen));
free(ms->drmmode.shadow_fb);
ms->drmmode.shadow_fb = NULL;
}
drmmode_uevent_fini(pScrn, &ms->drmmode);
drmmode_free_bos(pScrn, &ms->drmmode);
if (pScrn->vtSema) {
LeaveVT(pScrn);
}
pScreen->CreateScreenResources = ms->createScreenResources;
pScreen->BlockHandler = ms->BlockHandler;
pScrn->vtSema = FALSE;
pScreen->CloseScreen = ms->CloseScreen;
return (*pScreen->CloseScreen) (pScreen);
}
static ModeStatus
ValidMode(ScrnInfoPtr arg, DisplayModePtr mode, Bool verbose, int flags)
{
return MODE_OK;
}
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