While the standby resume from ACPI S3 State still fails (i.e., hard system freeze), saving and restoring Rambus RIF (Rambus Interface) Control and RAC (Rambus ASIC Cell) Control registers prevents weird artifacts from being displayed after standby resume (i.e., merely a blank screen after standby resume).
Signed-off-by: Kevin Brace <kevinbr...@gmx.com> --- src/lg.h | 1 + src/lg_driver.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/src/lg.h b/src/lg.h index 3f5dcdf..42add0c 100644 --- a/src/lg.h +++ b/src/lg.h @@ -44,6 +44,7 @@ typedef struct { /* Laguna regs */ CARD8 TILE, BCLK; CARD16 FORMAT, DTTC, TileCtrl, CONTROL; + CARD16 RIFCtrl, RACCtrl; CARD32 VSC; } LgRegRec, *LgRegPtr; diff --git a/src/lg_driver.c b/src/lg_driver.c index 3af8432..f6d721a 100644 --- a/src/lg_driver.c +++ b/src/lg_driver.c @@ -1081,6 +1081,12 @@ LgSave(ScrnInfoPtr pScrn) pCir->chip.lg->ModeReg.CONTROL = pCir->chip.lg->SavedReg.CONTROL = memrw(0x402); + + pCir->chip.lg->ModeReg.RIFCtrl = + pCir->chip.lg->SavedReg.RIFCtrl = memrw(0x200); + + pCir->chip.lg->ModeReg.RACCtrl = + pCir->chip.lg->SavedReg.RACCtrl = memrw(0x202); } /* @@ -1549,6 +1555,9 @@ LgRestoreLgRegs(ScrnInfoPtr pScrn, LgRegPtr lgReg) memwb(0x8C, lgReg->BCLK); memww(0x402, lgReg->CONTROL); + + memww(0x200, lgReg->RIFCtrl); + memww(0x202, lgReg->RACCtrl); } /* -- 2.17.1 _______________________________________________ xorg-devel@lists.x.org: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel