RADEON: make tmds pll an output attribute

sometimes the bios tmds plls are busted for certain
monitors. sometimes the dirver tables are.  Let the user
pick at run time.

3 files changed, 72 insertions, 22 deletions

diff --git a/src/radeon_bios.c b/src/radeon_bios.c
index 1ef0ff48..b24c4817 100644
--- a/src/radeon_bios.c
+++ b/src/radeon_bios.c
@@ -879,23 +879,6 @@ Bool RADEONGetTMDSInfoFromBIOS (xf86OutputPtr output)
 		}
 		return TRUE;
 	    }
-
-	    /* revision 4 has some problem as it appears in RV280, 
-	       comment it off for now, use default instead */ 
-	    /*    
-		  else if (RADEON_BIOS8(tmp) == 4) {
-		  int stride = 0;
-		  n = RADEON_BIOS8(tmp + 5) + 1;
-		  if (n > 4) n = 4;
-		  for (i=0; i<n; i++) {
-		  radeon_output->tmds_pll[i].value = RADEON_BIOS32(tmp+stride+0x08);
-		  radeon_output->tmds_pll[i].freq = RADEON_BIOS16(tmp+stride+0x10);
-		  if (i == 0) stride += 10;
-		  else stride += 6;
-		  }
-		  return TRUE;
-		  }
-	    */  
 	}
     }
     return FALSE;
diff --git a/src/radeon_output.c b/src/radeon_output.c
index c2b749ae..35c6cbe4 100644
--- a/src/radeon_output.c
+++ b/src/radeon_output.c
@@ -152,6 +152,7 @@ static RADEONMonitorType radeon_detect_tv(ScrnInfoPtr pScrn);
 static RADEONMonitorType radeon_detect_primary_dac(ScrnInfoPtr pScrn, Bool color);
 static RADEONMonitorType radeon_detect_tv_dac(ScrnInfoPtr pScrn, Bool color);
 static RADEONMonitorType radeon_detect_ext_dac(ScrnInfoPtr pScrn);
+static void RADEONGetTMDSInfoFromTable(xf86OutputPtr output);
 
 void RADEONPrintPortMap(ScrnInfoPtr pScrn)
 {
@@ -1009,6 +1010,15 @@ radeon_mode_set(xf86OutputPtr output, DisplayModePtr mode,
     xf86CrtcPtr	crtc = output->crtc;
     RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
 
+    if (radeon_output->type == OUTPUT_DVI &&
+	radeon_output->TMDSType == TMDS_INT) {
+	if (radeon_output->tmds_pll_table == TMDS_PLL_BIOS) {
+	    if (!RADEONGetTMDSInfoFromBIOS(output))
+		RADEONGetTMDSInfoFromTable(output);
+	} else
+	    RADEONGetTMDSInfoFromTable(output);
+    }
+
     RADEONInitOutputRegisters(pScrn, &info->ModeReg, adjusted_mode, output, radeon_crtc->crtc_id);
 
     if (radeon_crtc->crtc_id == 0)
@@ -1564,6 +1574,7 @@ radeon_set_backlight_level(xf86OutputPtr output, int level)
 }
 
 static Atom backlight_atom;
+static Atom tmds_pll_atom;
 static Atom rmx_atom;
 static Atom monitor_type_atom;
 static Atom tv_hsize_atom;
@@ -1606,6 +1617,32 @@ radeon_create_resources(xf86OutputPtr output)
 	}
     }
 
+    if (radeon_output->type == OUTPUT_DVI &&
+	radeon_output->TMDSType == TMDS_INT) {
+	tmds_pll_atom = MAKE_ATOM("tmds_pll");
+
+	err = RRConfigureOutputProperty(output->randr_output, tmds_pll_atom,
+					FALSE, FALSE, FALSE, 0, NULL);
+	if (err != 0) {
+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+		       "RRConfigureOutputProperty error, %d\n", err);
+	}
+	/* Set the current value of the property */
+#if defined(__powerpc__)
+	s = "driver";
+#else
+	s = "bios";
+#endif
+	err = RRChangeOutputProperty(output->randr_output, tmds_pll_atom,
+				     XA_STRING, 8, PropModeReplace, strlen(s), (pointer)s,
+				     FALSE, FALSE);
+	if (err != 0) {
+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+		       "RRChangeOutputProperty error, %d\n", err);
+	}
+
+    }
+
     /* RMX control - fullscreen, centered, keep ratio */
     /* actually more of a crtc property as only crtc1 has rmx */
     if (radeon_output->type == OUTPUT_LVDS ||
@@ -1785,6 +1822,19 @@ radeon_set_property(xf86OutputPtr output, Atom property,
 	} else {
 	    return FALSE;
 	}
+    } else if (property == tmds_pll_atom) {
+	const char *s;
+	if (value->type != XA_STRING || value->format != 8)
+	    return FALSE;
+	s = (char*)value->data;
+	if (value->size == strlen("bios") && !strncmp("bios", s, strlen("bios"))) {
+	    radeon_output->tmds_pll_table = TMDS_PLL_BIOS;
+	    return TRUE;
+	} else if (value->size == strlen("driver") && !strncmp("driver", s, strlen("driver"))) {
+	    radeon_output->tmds_pll_table = TMDS_PLL_DRIVER;
+	    return TRUE;
+	}
+	return FALSE;
     } else if (property == monitor_type_atom) {
 	const char *s;
 	if (value->type != XA_STRING || value->format != 8)
@@ -2256,7 +2306,7 @@ RADEONGetLVDSInfo (xf86OutputPtr output)
 }
 
 static void
-RADEONGetTMDSInfo(xf86OutputPtr output)
+RADEONGetTMDSInfoFromTable(xf86OutputPtr output)
 {
     ScrnInfoPtr pScrn = output->scrn;
     RADEONInfoPtr  info       = RADEONPTR(pScrn);
@@ -2264,16 +2314,26 @@ RADEONGetTMDSInfo(xf86OutputPtr output)
     int i;
 
     for (i=0; i<4; i++) {
+        radeon_output->tmds_pll[i].value = default_tmds_pll[info->ChipFamily][i].value;
+        radeon_output->tmds_pll[i].freq = default_tmds_pll[info->ChipFamily][i].freq;
+    }
+}
+
+static void
+RADEONGetTMDSInfo(xf86OutputPtr output)
+{
+    RADEONOutputPrivatePtr radeon_output = output->driver_private;
+    int i;
+
+    for (i=0; i<4; i++) {
         radeon_output->tmds_pll[i].value = 0;
         radeon_output->tmds_pll[i].freq = 0;
     }
 
     if (RADEONGetTMDSInfoFromBIOS(output)) return;
 
-    for (i=0; i<4; i++) {
-        radeon_output->tmds_pll[i].value = default_tmds_pll[info->ChipFamily][i].value;
-        radeon_output->tmds_pll[i].freq = default_tmds_pll[info->ChipFamily][i].freq;
-    }
+    RADEONGetTMDSInfoFromTable(output);
+
 }
 
 static void
diff --git a/src/radeon_probe.h b/src/radeon_probe.h
index d79e7ad6..3bbda49e 100644
--- a/src/radeon_probe.h
+++ b/src/radeon_probe.h
@@ -122,6 +122,12 @@ typedef enum
     DVI_ANALOG
 } RADEONDviType;
 
+typedef enum
+{
+    TMDS_PLL_BIOS,
+    TMDS_PLL_DRIVER
+} RADEONTMDSPllType;
+
 typedef struct {
     CARD32 freq;
     CARD32 value;
@@ -196,6 +202,7 @@ typedef struct _RADEONOutputPrivateRec {
     int               PanelPwrDly;
     int               DotClock;
     RADEONTMDSPll     tmds_pll[4];
+    RADEONTMDSPllType tmds_pll_table;
     /* TV out */
     TVStd             default_tvStd;
     TVStd             tvStd;