From e182c1b4368c6958579732dd4ddc59de2b46359b Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Wed, 30 Sep 2009 11:40:19 -0700 Subject: Re-fix DGA removal. Removing DGA ended up breaking any drivers calling into the old xf86DiDGAInit function as it tried to see if DGA was already enabled and ended up crashing if the VT wasn't completely initialized. Oops. Also, if the driver initializes DGA itself, have the DiDGA initialization overwrite that information as the DiDGA code will call ReInit on mode detect. Signed-off-by: Keith Packard Signed-off-by: Peter Hutterer (cherry picked from commit db98b26ee145f70e732e2cf4a6ac3de77fdf4adc) --- hw/xfree86/common/xf86DGA.c | 29 ++++++++++++++++------------- hw/xfree86/modes/xf86Crtc.c | 4 ++-- hw/xfree86/modes/xf86Crtc.h | 8 ++++++++ hw/xfree86/modes/xf86DiDGA.c | 15 ++++++++++++--- 4 files changed, 38 insertions(+), 18 deletions(-) diff --git a/hw/xfree86/common/xf86DGA.c b/hw/xfree86/common/xf86DGA.c index 42b7c5805..804fd37c1 100644 --- a/hw/xfree86/common/xf86DGA.c +++ b/hw/xfree86/common/xf86DGA.c @@ -120,8 +120,22 @@ DGAInit( DGAScreenKey = &DGAScreenKeyIndex; - if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec)))) - return FALSE; + pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); + + if (!pScreenPriv) + { + if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec)))) + return FALSE; + dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv); + pScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = DGACloseScreen; + pScreenPriv->DestroyColormap = pScreen->DestroyColormap; + pScreen->DestroyColormap = DGADestroyColormap; + pScreenPriv->InstallColormap = pScreen->InstallColormap; + pScreen->InstallColormap = DGAInstallColormap; + pScreenPriv->UninstallColormap = pScreen->UninstallColormap; + pScreen->UninstallColormap = DGAUninstallColormap; + } pScreenPriv->pScrn = pScrn; pScreenPriv->numModes = num; @@ -146,17 +160,6 @@ DGAInit( modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; #endif - dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv); - pScreenPriv->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = DGACloseScreen; - pScreenPriv->DestroyColormap = pScreen->DestroyColormap; - pScreen->DestroyColormap = DGADestroyColormap; - pScreenPriv->InstallColormap = pScreen->InstallColormap; - pScreen->InstallColormap = DGAInstallColormap; - pScreenPriv->UninstallColormap = pScreen->UninstallColormap; - pScreen->UninstallColormap = DGAUninstallColormap; - - return TRUE; } diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c index c1e31e003..506fbb9cb 100644 --- a/hw/xfree86/modes/xf86Crtc.c +++ b/hw/xfree86/modes/xf86Crtc.c @@ -806,7 +806,7 @@ xf86CrtcScreenInit (ScreenPtr screen) screen->CloseScreen = xf86CrtcCloseScreen; #ifdef XFreeXDGA - xf86DiDGAInit(screen, 0); + _xf86_di_dga_init_internal(screen); #endif #ifdef RANDR_13_INTERFACE return RANDR_INTERFACE_VERSION; @@ -1928,7 +1928,7 @@ xf86SetScrnInfoModes (ScrnInfoPtr scrn) scrn->currentMode = scrn->modes; #ifdef XFreeXDGA if (scrn->pScreen) - xf86DiDGAReInit(scrn->pScreen); + _xf86_di_dga_reinit_internal(scrn->pScreen); #endif } diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h index 69afaa5d1..9baa956a3 100644 --- a/hw/xfree86/modes/xf86Crtc.h +++ b/hw/xfree86/modes/xf86Crtc.h @@ -833,6 +833,10 @@ xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus); extern _X_EXPORT Bool xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address); +/* this is the real function, used only internally */ +_X_INTERNAL Bool +_xf86_di_dga_init_internal (ScreenPtr pScreen); + /** * Re-initialize dga for this screen (as when the set of modes changes) */ @@ -841,6 +845,10 @@ extern _X_EXPORT Bool xf86DiDGAReInit (ScreenPtr pScreen); #endif +/* This is the real function, used only internally */ +_X_INTERNAL Bool +_xf86_di_dga_reinit_internal (ScreenPtr pScreen); + /* * Set the subpixel order reported for the screen using * the information from the outputs diff --git a/hw/xfree86/modes/xf86DiDGA.c b/hw/xfree86/modes/xf86DiDGA.c index 0f7b8342c..60fbdbf05 100644 --- a/hw/xfree86/modes/xf86DiDGA.c +++ b/hw/xfree86/modes/xf86DiDGA.c @@ -174,6 +174,12 @@ static DGAFunctionRec xf86_dga_funcs = { Bool xf86DiDGAReInit (ScreenPtr pScreen) +{ + return TRUE; +} + +Bool +_xf86_di_dga_reinit_internal (ScreenPtr pScreen) { ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); @@ -189,13 +195,16 @@ xf86DiDGAReInit (ScreenPtr pScreen) Bool xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address) +{ + return TRUE; +} + +Bool +_xf86_di_dga_init_internal (ScreenPtr pScreen) { ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - if (DGAAvailable(pScreen->myNum)) - return TRUE; - xf86_config->dga_flags = 0; xf86_config->dga_address = 0; xf86_config->dga_width = 0; -- cgit v1.2.3