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amd-gpu: cut down the "hal" by moving some single-use functions

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move kgsl_hal_alloc/freephysical to where they get used..
This commit is contained in:
Matt Sealey
2012-12-03 15:24:14 -06:00
parent b2eaad12ed
commit 08e694b006
3 changed files with 39 additions and 43 deletions
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35
drivers/mxc/amd-gpu/kgsl_hal.c
View File

@@ -63,41 +63,6 @@ extern int gpu_2d_irq, gpu_3d_irq;
extern int enable_mmu;
KGSLHAL_API int
kgsl_hal_allocphysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[])
{
/* allocate physically contiguous memory */
int i;
void *va;
va = kgsl_mem_entry_alloc(virtaddr, numpages*PAGE_SIZE);
if (!va)
return GSL_FAILURE_OUTOFMEM;
for (i = 0; i < numpages; i++) {
scattergatterlist[i] = page_to_phys(vmalloc_to_page(va));
va += PAGE_SIZE;
}
return GSL_SUCCESS;
}
/* --------------------------------------------------------------------------- */
KGSLHAL_API int
kgsl_hal_freephysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[])
{
/* free physical memory */
kgsl_mem_entry_free(virtaddr);
return GSL_SUCCESS;
}
/* ---------------------------------------------------------------------------- */
KGSLHAL_API int
kgsl_hal_init(void)
{

2
drivers/mxc/amd-gpu/kgsl_hal.h
View File

@@ -114,8 +114,6 @@ KGSLHAL_API int kgsl_hal_getshmemconfig(gsl_shmemconfig_t *config);
KGSLHAL_API int kgsl_hal_getdevconfig(unsigned int device_id, struct kgsl_devconfig *config);
KGSLHAL_API int kgsl_hal_setpowerstate(unsigned int device_id, int state, unsigned int value);
KGSLHAL_API unsigned int kgsl_hal_getchipid(unsigned int device_id);
KGSLHAL_API int kgsl_hal_allocphysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[]);
KGSLHAL_API int kgsl_hal_freephysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[]);
#ifdef __cplusplus
}

45
drivers/mxc/amd-gpu/kgsl_sharedmem.c
View File

@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <asm/uaccess.h>
#include <linux/mxc_kgsl.h>
@@ -70,6 +71,10 @@
((memdesc->priv & GSL_EXTALLOC_MASK) >> GSL_EXTALLOC_SHIFT)
//////////////////////////////////////////////////////////////////////////////
// aperture index in shared memory object
//////////////////////////////////////////////////////////////////////////////
@@ -209,7 +214,37 @@ kgsl_sharedmem_close(struct kgsl_sharedmem *shmem)
return (result);
}
//----------------------------------------------------------------------------
int kgsl_sharedmem_allocphysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[])
{
/* allocate physically contiguous memory */
int i;
void *va;
va = kgsl_mem_entry_alloc(virtaddr, numpages*PAGE_SIZE);
if (!va)
return GSL_FAILURE_OUTOFMEM;
for (i = 0; i < numpages; i++) {
scattergatterlist[i] = page_to_phys(vmalloc_to_page(va));
va += PAGE_SIZE;
}
return GSL_SUCCESS;
}
int kgsl_sharedmem_freephysical(unsigned int virtaddr, unsigned int numpages, unsigned int scattergatterlist[])
{
/* free physical memory */
kgsl_mem_entry_free(virtaddr);
return GSL_SUCCESS;
}
int
kgsl_sharedmem_alloc0(unsigned int device_id, unsigned int flags, int sizebytes, struct kgsl_memdesc *memdesc)
@@ -361,13 +396,13 @@ KGSL_MEM_VDBG( "--> int kgsl_sharedmem_alloc(unsigned int dev
if (scatterlist.pages)
{
// allocate physical pages
result = kgsl_hal_allocphysical(memdesc->gpuaddr, scatterlist.num, scatterlist.pages);
result = kgsl_sharedmem_allocphysical(memdesc->gpuaddr, scatterlist.num, scatterlist.pages);
if (result == GSL_SUCCESS)
{
result = kgsl_mmu_map(mmu, memdesc->gpuaddr, &scatterlist, flags, current->tgid);
if (result != GSL_SUCCESS)
{
kgsl_hal_freephysical(memdesc->gpuaddr, scatterlist.num, scatterlist.pages);
kgsl_sharedmem_freephysical(memdesc->gpuaddr, scatterlist.num, scatterlist.pages);
}
}
@@ -402,8 +437,6 @@ kgsl_sharedmem_alloc(unsigned int device_id, unsigned int flags, int sizebytes,
return status;
}
//----------------------------------------------------------------------------
int
kgsl_sharedmem_free0(struct kgsl_memdesc *memdesc, unsigned int pid)
{
@@ -427,7 +460,7 @@ kgsl_sharedmem_free0(struct kgsl_memdesc *memdesc, unsigned int pid)
if (!GSL_MEMDESC_EXTALLOC_ISMARKED(memdesc))
{
status |= kgsl_hal_freephysical(memdesc->gpuaddr, memdesc->size / PAGE_SIZE, NULL);
status |= kgsl_sharedmem_freephysical(memdesc->gpuaddr, memdesc->size / PAGE_SIZE, NULL);
}
}