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authorAlex Deucher <alexdeucher@gmail.com>2009-11-30 11:05:38 -0500
committerAlex Deucher <alexdeucher@gmail.com>2009-11-30 11:06:37 -0500
commit4d90dc3cb248e9d61c0c490bba80f6727fafd318 (patch)
tree31eb8fb43772f3bfaab9fa6376293040f03fc8a6 /src
parenta8dbf7c23481501987971a9c0b6cb0760f86127f (diff)
atom: pull misc mode info for lvds panel mode from bios tables
sync polarity, etc. This will likely fix LVDS problems on some laptops. Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/radeon_atombios.c23
-rw-r--r--src/radeon_modes.c2
2 files changed, 24 insertions, 1 deletions
diff --git a/src/radeon_atombios.c b/src/radeon_atombios.c
index 74606b3b..462c5ef8 100644
--- a/src/radeon_atombios.c
+++ b/src/radeon_atombios.c
@@ -1980,6 +1980,7 @@ RADEONGetATOMLVDSInfo(ScrnInfoPtr pScrn, radeon_lvds_ptr lvds)
radeon_native_mode_ptr native_mode = &lvds->native_mode;
atomDataTablesPtr atomDataPtr;
uint8_t crev, frev;
+ uint16_t misc;
atomDataPtr = info->atomBIOS->atomDataPtr;
@@ -2000,6 +2001,17 @@ RADEONGetATOMLVDSInfo(ScrnInfoPtr pScrn, radeon_lvds_ptr lvds)
native_mode->VBlank = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info->sLCDTiming.usVBlanking_Time);
native_mode->VOverPlus = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info->sLCDTiming.usVSyncOffset);
native_mode->VSyncWidth = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info->sLCDTiming.usVSyncWidth);
+ misc = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info->sLCDTiming.susModeMiscInfo.usAccess);
+ if (misc & ATOM_VSYNC_POLARITY)
+ native_mode->Flags |= V_NVSYNC;
+ if (misc & ATOM_HSYNC_POLARITY)
+ native_mode->Flags |= V_NHSYNC;
+ if (misc & ATOM_COMPOSITESYNC)
+ native_mode->Flags |= V_CSYNC;
+ if (misc & ATOM_INTERLACE)
+ native_mode->Flags |= V_INTERLACE;
+ if (misc & ATOM_DOUBLE_CLOCK_MODE)
+ native_mode->Flags |= V_DBLSCAN;
lvds->PanelPwrDly = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info->usOffDelayInMs);
lvds->lvds_misc = atomDataPtr->LVDS_Info.LVDS_Info->ucLVDS_Misc;
lvds->lvds_ss_id = atomDataPtr->LVDS_Info.LVDS_Info->ucSS_Id;
@@ -2014,6 +2026,17 @@ RADEONGetATOMLVDSInfo(ScrnInfoPtr pScrn, radeon_lvds_ptr lvds)
native_mode->VBlank = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info_v12->sLCDTiming.usVBlanking_Time);
native_mode->VOverPlus = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info_v12->sLCDTiming.usVSyncOffset);
native_mode->VSyncWidth = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info_v12->sLCDTiming.usVSyncWidth);
+ misc = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info_v12->sLCDTiming.susModeMiscInfo.usAccess);
+ if (misc & ATOM_VSYNC_POLARITY)
+ native_mode->Flags |= V_NVSYNC;
+ if (misc & ATOM_HSYNC_POLARITY)
+ native_mode->Flags |= V_NHSYNC;
+ if (misc & ATOM_COMPOSITESYNC)
+ native_mode->Flags |= V_CSYNC;
+ if (misc & ATOM_INTERLACE)
+ native_mode->Flags |= V_INTERLACE;
+ if (misc & ATOM_DOUBLE_CLOCK_MODE)
+ native_mode->Flags |= V_DBLSCAN;
lvds->PanelPwrDly = le16_to_cpu(atomDataPtr->LVDS_Info.LVDS_Info_v12->usOffDelayInMs);
lvds->lvds_misc = atomDataPtr->LVDS_Info.LVDS_Info_v12->ucLVDS_Misc;
lvds->lvds_ss_id = atomDataPtr->LVDS_Info.LVDS_Info_v12->ucSS_Id;
diff --git a/src/radeon_modes.c b/src/radeon_modes.c
index ec60cc9b..3e3d4c80 100644
--- a/src/radeon_modes.c
+++ b/src/radeon_modes.c
@@ -158,7 +158,7 @@ static DisplayModePtr RADEONFPNativeMode(xf86OutputPtr output)
new->VSyncEnd = new->VSyncStart + native_mode->VSyncWidth;
new->Clock = native_mode->DotClock;
- new->Flags = 0;
+ new->Flags = native_mode->Flags;
if (new) {
new->type = M_T_DRIVER | M_T_PREFERRED;