android/android_hardware_qcom_display
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libgralloc-qsd8k: Do not use the physical address of surfaces/framebuffer

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The GPU now correctly maps everything throug hthe MMU so physical addresses
are no longer needed.

Change-Id: Id16a690f63d7141c8ee6694b246b1955f450b8ed
Signed-off-by: Dima Zavin <dima@android.com>
This commit is contained in:
Dima Zavin 2009-12-01 23:50:54 -08:00
parent c73e6963a9
commit 427b3ce634
3 changed files with 2 additions and 20 deletions
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1
framebuffer.cpp
View File

@ -329,7 +329,6 @@ int mapFrameBufferLocked(struct private_module_t* module)
return -errno;
}
module->framebuffer->base = intptr_t(vaddr);
module->framebuffer->phys = intptr_t(finfo.smem_start);
memset(vaddr, 0, fbSize);
return 0;
}

16
gralloc.cpp
View File

@ -112,7 +112,6 @@ struct private_module_t HAL_MODULE_INFO_SYM = {
currentBuffer: 0,
pmem_master: -1,
pmem_master_base: 0,
master_phys: 0
};
/*****************************************************************************/
@ -166,7 +165,6 @@ static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev,
hnd->base = vaddr;
hnd->offset = vaddr - intptr_t(m->framebuffer->base);
hnd->phys = intptr_t(m->framebuffer->phys) + hnd->offset;
*pHandle = hnd;
return 0;
@ -206,15 +204,6 @@ static int init_pmem_area_locked(private_module_t* m)
base = 0;
close(master_fd);
master_fd = -1;
} else {
// FIXME: get physical address, eventually this will have to go away
pmem_region region;
err = ioctl(master_fd, PMEM_GET_PHYS, &region);
if (err < 0) {
LOGE("PMEM_GET_PHYS failed (%s)", strerror(-errno));
} else {
m->master_phys = (unsigned long)region.offset;
}
}
m->pmem_master = master_fd;
m->pmem_master_base = base;
@ -329,11 +318,6 @@ try_ashmem:
hnd->offset = offset;
hnd->base = int(base)+offset;
hnd->lockState = lockState;
if (flags & private_handle_t::PRIV_FLAGS_USES_PMEM) {
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
hnd->phys = m->master_phys + offset;
}
*pHandle = hnd;
}

5
gralloc_priv.h
View File

@ -46,7 +46,6 @@ struct private_module_t {
buffer_handle_t currentBuffer;
int pmem_master;
void* pmem_master_base;
unsigned long master_phys;
struct fb_var_screeninfo info;
struct fb_fix_screeninfo finfo;
@ -93,7 +92,7 @@ struct private_handle_t {
int base;
int lockState;
int writeOwner;
int phys; // The physical address of that chunk of memory. If using ashmem, set to 0 They don't care
int gpuaddr; // The gpu address mapped into the mmu. If using ashmem, set to 0 They don't care
int pid;
#ifdef __cplusplus
@ -103,7 +102,7 @@ struct private_handle_t {
private_handle_t(int fd, int size, int flags) :
fd(fd), magic(sMagic), flags(flags), size(size), offset(0), gpu_fd(-1),
base(0), lockState(0), writeOwner(0), phys(0), pid(getpid())
base(0), lockState(0), writeOwner(0), gpuaddr(0), pid(getpid())
{
version = sizeof(native_handle);
numInts = sNumInts;