Disable all ouputs on initial mode set. The ones we want will get

enabled by RADEONEnableDisplay().

3 files changed, 60 insertions, 0 deletions

diff --git a/src/radeon.h b/src/radeon.h
index 705c210..7ff86f9 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -891,6 +891,7 @@ extern Bool        RADEONI2cInit(ScrnInfoPtr pScrn);
 extern void        RADEONSetSyncRangeFromEdid(ScrnInfoPtr pScrn, int flag);
 extern Bool        RADEONMapControllers(ScrnInfoPtr pScrn);
 extern void        RADEONEnableDisplay(ScrnInfoPtr pScrn, RADEONController* pCRTC, BOOL bEnable);
+extern void        RADEONDisableDisplays(ScrnInfoPtr pScrn);
 extern void        RADEONGetPanelInfo(ScrnInfoPtr pScrn);
 extern void        RADEONGetTVDacAdjInfo(ScrnInfoPtr pScrn);
 extern void        RADEONUnblank(ScrnInfoPtr pScrn);
diff --git a/src/radeon_display.c b/src/radeon_display.c
index de44b38..58282ef 100644
--- a/src/radeon_display.c
+++ b/src/radeon_display.c
@@ -1434,6 +1434,59 @@ static void RADEONDacPowerSet(ScrnInfoPtr pScrn, Bool IsOn, Bool IsPrimaryDAC)
     }
 }
 
+/* disable all ouputs before enabling the ones we want */
+void RADEONDisableDisplays(ScrnInfoPtr pScrn) {
+    RADEONInfoPtr info = RADEONPTR(pScrn);
+    unsigned char * RADEONMMIO = info->MMIO;
+    unsigned long tmp, tmpPixclksCntl;
+
+
+    /* primary DAC */
+    tmp = INREG(RADEON_CRTC_EXT_CNTL);
+    tmp &= ~RADEON_CRTC_CRT_ON;                    
+    OUTREG(RADEON_CRTC_EXT_CNTL, tmp);
+    RADEONDacPowerSet(pScrn, FALSE, TRUE);
+
+    /* Secondary DAC */
+    if (info->ChipFamily == CHIP_FAMILY_R200) {
+        tmp = INREG(RADEON_FP2_GEN_CNTL);
+        tmp &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
+        OUTREG(RADEON_FP2_GEN_CNTL, tmp);
+    } else {
+        tmp = INREG(RADEON_CRTC2_GEN_CNTL);
+        tmp &= ~RADEON_CRTC2_CRT2_ON;  
+        OUTREG(RADEON_CRTC2_GEN_CNTL, tmp);
+    }
+    RADEONDacPowerSet(pScrn, FALSE, FALSE);
+
+    /* FP 1 */
+    tmp = INREG(RADEON_FP_GEN_CNTL);
+    tmp &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
+    OUTREG(RADEON_FP_GEN_CNTL, tmp);
+
+    /* FP 2 */
+    tmp = INREG(RADEON_FP2_GEN_CNTL);
+    tmp &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
+    OUTREG(RADEON_FP2_GEN_CNTL, tmp);
+
+    /* LVDS */
+    tmpPixclksCntl = INPLL(pScrn, RADEON_PIXCLKS_CNTL);
+    if (info->IsMobility || info->IsIGP) {
+	/* Asic bug, when turning off LVDS_ON, we have to make sure
+	   RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
+	 */
+	OUTPLLP(pScrn, RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
+    }
+    tmp = INREG(RADEON_LVDS_GEN_CNTL);
+    tmp |= (RADEON_LVDS_ON | RADEON_LVDS_DISPLAY_DIS);
+    tmp &= ~(RADEON_LVDS_BLON);
+    OUTREG(RADEON_LVDS_GEN_CNTL, tmp);
+    if (info->IsMobility || info->IsIGP) {
+	OUTPLL(pScrn, RADEON_PIXCLKS_CNTL, tmpPixclksCntl);
+    }
+
+}
+
 /* This is to be used enable/disable displays dynamically */
 void RADEONEnableDisplay(ScrnInfoPtr pScrn, RADEONController* pCRTC, BOOL bEnable)
 {
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 97370ca..28a1672 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -5760,6 +5760,12 @@ static void RADEONRestoreMode(ScrnInfoPtr pScrn, RADEONSavePtr restore)
 	return;
     }
 
+    /* Disable all outputs at initial mode set.  the ones we want will
+       get set by RADEONEnableDisplay()
+     */
+    if (!info->IsSwitching && !info->IsSecondary)
+	RADEONDisableDisplays(pScrn);
+
     /* When changing mode with Dual-head card, care must be taken for
      * the special order in setting registers. CRTC2 has to be set
      * before changing CRTC_EXT register.  In the dual-head setup, X