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Set the write combine flag for the framebuffer area.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36330 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Clemens Zeidler
2010-04-16 15:29:30 +00:00
parent a34e7d0ec4
commit 8bb679076d
2 changed files with 6 additions and 0 deletions
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src/add-ons/kernel/drivers/graphics/radeon_hd/Jamfile
+1
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@@ -6,6 +6,7 @@ UsePrivateHeaders [ FDirName graphics radeon_hd ] ;
UsePrivateHeaders [ FDirName graphics common ] ; UsePrivateHeaders [ FDirName graphics common ] ;
UsePrivateHeaders graphics kernel ; UsePrivateHeaders graphics kernel ;
UsePrivateHeaders shared ; UsePrivateHeaders shared ;
UsePrivateKernelHeaders ;
KernelAddon radeon_hd : KernelAddon radeon_hd :
driver.cpp driver.cpp
src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd.cpp
+5
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@@ -20,6 +20,7 @@
#include <driver_settings.h> #include <driver_settings.h>
#include <util/kernel_cpp.h> #include <util/kernel_cpp.h>
#include <vm/vm.h>
#define TRACE_DEVICE #define TRACE_DEVICE
@@ -232,6 +233,10 @@ radeon_hd_init(radeon_info &info)
return info.framebuffer_area; return info.framebuffer_area;
} }
// Turn on write combining for the area
vm_set_area_memory_type(info.framebuffer_area,
info.pci->u.h0.base_registers[RHD_FB_BAR], B_MTR_WC);
sharedCreator.Detach(); sharedCreator.Detach();
mmioMapper.Detach(); mmioMapper.Detach();
frambufferMapper.Detach(); frambufferMapper.Detach();