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-rw-r--r--src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.cpp45
-rw-r--r--src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.h2
2 files changed, 46 insertions, 1 deletions
diff --git a/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.cpp b/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.cpp
index 7393953c120..570216241d1 100644
--- a/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.cpp
+++ b/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.cpp
@@ -896,6 +896,49 @@ BOOL_32 CIAddrLib::HwlOverrideTileMode(
/**
***************************************************************************************************
+* CiAddrLib::GetPrtSwitchP4Threshold
+*
+* @brief
+* Return the threshold of switching to P4_* instead of P16_* for PRT resources
+***************************************************************************************************
+*/
+UINT_32 CIAddrLib::GetPrtSwitchP4Threshold() const
+{
+ UINT_32 threshold;
+
+ switch (m_pipes)
+ {
+ case 8:
+ threshold = 32;
+ break;
+ case 16:
+ if (m_settings.isFiji)
+ {
+ threshold = 16;
+ }
+ else if (m_settings.isHawaii)
+ {
+ threshold = 8;
+ }
+ else
+ {
+ ///@todo add for possible new ASICs.
+ ADDR_ASSERT_ALWAYS();
+ threshold = 16;
+ }
+ break;
+ default:
+ ///@todo add for possible new ASICs.
+ ADDR_ASSERT_ALWAYS();
+ threshold = 32;
+ break;
+ }
+
+ return threshold;
+}
+
+/**
+***************************************************************************************************
* CIAddrLib::HwlSetupTileInfo
*
* @brief
@@ -1123,7 +1166,7 @@ VOID CIAddrLib::HwlSetupTileInfo(
{
UINT_32 bytesXSamples = bpp * numSamples / 8;
UINT_32 bytesXThickness = bpp * thickness / 8;
- UINT_32 switchP4Threshold = (m_pipes == 16) ? 8 : 32;
+ UINT_32 switchP4Threshold = GetPrtSwitchP4Threshold();
if ((bytesXSamples > switchP4Threshold) || (bytesXThickness > switchP4Threshold))
{
diff --git a/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.h b/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.h
index 451508619f9..4cbe9706baa 100644
--- a/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.h
+++ b/src/gallium/winsys/amdgpu/drm/addrlib/r800/ciaddrlib.h
@@ -167,6 +167,8 @@ private:
VOID ReadGbMacroTileCfg(
UINT_32 regValue, ADDR_TILEINFO* pCfg) const;
+ UINT_32 GetPrtSwitchP4Threshold() const;
+
BOOL_32 InitTileSettingTable(
const UINT_32 *pSetting, UINT_32 noOfEntries);