diff options
| author | Dave Airlie <airlied@linux.ie> | 2006-06-26 20:34:34 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-06-26 20:39:27 +1000 |
| commit | 4b1904017caa976c138594a86e75feaf470e72b5 (patch) | |
| tree | 96df0e0fdc8edd11d72a07e532949b09de6a341d /src | |
| parent | c5d8c8db3e75976687bfb364f0a7b235c7ae8793 (diff) | |
radeon: force CP and VIP clocks on some r300 and rv100 chips.
fglrx appears to do this on r300 and Jerome Glisse has spent most of his
life tracking down what caused the 9800 to lockup. This is my attempt to
fix this. Please report if it works for you.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'src')
| -rw-r--r-- | src/radeon_driver.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c index 2381831..753b1ab 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -133,6 +133,7 @@ static void RADEONInitDispBandwidth(ScrnInfoPtr pScrn); static void RADEONGetMergedFBOptions(ScrnInfoPtr pScrn); static int RADEONValidateMergeModes(ScrnInfoPtr pScrn); static void RADEONSetDynamicClock(ScrnInfoPtr pScrn, int mode); +static void RADEONForceSomeClocks(ScrnInfoPtr pScrn); static void RADEONUpdatePanelSize(ScrnInfoPtr pScrn); static void RADEONSaveMemMapRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save); @@ -5738,6 +5739,9 @@ _X_EXPORT Bool RADEONScreenInit(int scrnIndex, ScreenPtr pScreen, } } + if ((!info->IsSecondary) && (IS_R300_VARIANT || IS_RV100_VARIANT)) + RADEONForceSomeClocks(pScrn); + if (info->allowColorTiling && (pScrn->virtualX > info->MaxSurfaceWidth)) { xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Color tiling not supported with virtual x resolutions larger than %d, disabling\n", @@ -9751,6 +9755,18 @@ RADEONGetMergedFBOptions(ScrnInfoPtr pScrn) } } +static void RADEONForceSomeClocks(ScrnInfoPtr pScrn) +{ + /* It appears from r300 and rv100 may need some clocks forced-on */ + RADEONInfoPtr info = RADEONPTR(pScrn); + unsigned char *RADEONMMIO = info->MMIO; + CARD32 tmp; + + tmp = INPLL(pScrn, RADEON_SCLK_CNTL); + tmp |= RADEON_SCLK_FORCE_CP | RADEON_SCLK_FORCE_VIP; + OUTPLL(pScrn, RADEON_SCLK_CNTL, tmp); +} + static void RADEONSetDynamicClock(ScrnInfoPtr pScrn, int mode) { RADEONInfoPtr info = RADEONPTR(pScrn); |