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Diffstat (limited to 'src/legacy_crtc.c')
-rw-r--r--src/legacy_crtc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/legacy_crtc.c b/src/legacy_crtc.c
index e5561e8..f7216f9 100644
--- a/src/legacy_crtc.c
+++ b/src/legacy_crtc.c
@@ -1369,6 +1369,8 @@ RADEONInitDispBandwidthLegacy(ScrnInfoPtr pScrn,
*/
if ((info->DispPriority == 2) && IS_R300_VARIANT) {
uint32_t mc_init_misc_lat_timer = INREG(R300_MC_INIT_MISC_LAT_TIMER);
+ mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
+ mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
if (pRADEONEnt->pCrtc[1]->enabled)
mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); /* display 1 */
if (pRADEONEnt->pCrtc[0]->enabled)
@@ -1376,7 +1378,6 @@ RADEONInitDispBandwidthLegacy(ScrnInfoPtr pScrn,
OUTREG(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
}
-
/* R420 and RV410 family not supported yet */
if (info->ChipFamily == CHIP_FAMILY_R420 || info->ChipFamily == CHIP_FAMILY_RV410) return;