Merge branch 'CR_8959_Implement_new_flush_L2_cache_method_Windsome.Ze…

…ng' into 'jh7110-devel' CR 8959 Use the new method in VPU to flush the entire L2 cache See merge request sdk/soft_3rdpart!82
starfive-tech · Jan 11, 2024 · fd4ac21 · fd4ac21
2 parents 819f2f5 + ee4bb83
commit fd4ac21
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Showing 3 changed files with 15 additions and 3 deletions.
diff --git a/codaj12/jdi/linux/driver/jpu.c b/codaj12/jdi/linux/driver/jpu.c
@@ -42,6 +42,7 @@
 #include "jpu.h"
 
 extern void sifive_ccache_flush_range(phys_addr_t start, size_t len);
+extern void sifive_ccache_flush_entire(void);
 
 //#define ENABLE_DEBUG_MSG
 #ifdef ENABLE_DEBUG_MSG
@@ -205,7 +206,10 @@ static void starfive_flush_dcache(phys_addr_t start, size_t len)
 #ifdef ARCH_HAS_SYNC_DMA_FOR_DEVICE
 	dma_sync_single_for_device(jpu_dev, start, len, DMA_FROM_DEVICE);
 #else
-	sifive_ccache_flush_range(start, len);
+	if (len >= 0x80000)
+                sifive_ccache_flush_entire();
+        else
+		sifive_ccache_flush_range(start, len);
 #endif
 }
 

diff --git a/wave420l/code/vdi/linux/driver/venc.c b/wave420l/code/vdi/linux/driver/venc.c
@@ -40,6 +40,7 @@
 #include "vpu.h"
 
 extern void sifive_ccache_flush_range(phys_addr_t start, size_t len);
+extern void sifive_ccache_flush_entire(void);
 
 #ifndef  CONFIG_PM
 #define CONFIG_PM
@@ -356,7 +357,10 @@ static void starfive_flush_dcache(phys_addr_t start, size_t len)
 #ifdef ARCH_HAS_SYNC_DMA_FOR_DEVICE
 	dma_sync_single_for_device(vpu_dev, start, len, DMA_FROM_DEVICE);
 #else
-	sifive_ccache_flush_range(start, len);
+	if (len >= 0x80000)
+		sifive_ccache_flush_entire();
+	else
+		sifive_ccache_flush_range(start, len);
 #endif
 }
 

diff --git a/wave511/code/vdi/linux/driver/vdec.c b/wave511/code/vdi/linux/driver/vdec.c
@@ -55,6 +55,7 @@
 #include "vpu.h"
 
 extern void sifive_ccache_flush_range(phys_addr_t start, size_t len);
+extern void sifive_ccache_flush_entire(void);
 
 //#define ENABLE_DEBUG_MSG
 #ifdef ENABLE_DEBUG_MSG
@@ -477,7 +478,10 @@ static void starfive_flush_dcache(phys_addr_t start, size_t len)
 #ifdef ARCH_HAS_SYNC_DMA_FOR_DEVICE
 	dma_sync_single_for_device(vpu_dev, start, len, DMA_FROM_DEVICE);
 #else
-	sifive_ccache_flush_range(start, len);
+	if (len >= 0x80000)
+		sifive_ccache_flush_entire();
+	else
+		sifive_ccache_flush_range(start, len);
 #endif
 }