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winsys/amdgpu: use a better hash_pointer function 

Tested-by: Leo Liu <leo.liu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
This commit is contained in:
Marek Olšák 2018-07-16 13:10:57 -04:00
parent 53684e9163
commit e06b8ec106
1 changed files with 5 additions and 8 deletions
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13
src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
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@ -31,6 +31,7 @@
#include "amdgpu_public.h"
#include "util/u_hash_table.h"
#include "util/hash_table.h"
#include <amdgpu_drm.h>
#include <xf86drm.h>
#include <stdio.h>
@ -187,16 +188,12 @@ static bool amdgpu_read_registers(struct radeon_winsys *rws,
0xffffffff, 0, out) == 0;
}
static unsigned hash_dev(void *key)
static unsigned hash_pointer(void *key)
{
#if defined(PIPE_ARCH_X86_64)
return pointer_to_intptr(key) ^ (pointer_to_intptr(key) >> 32);
#else
return pointer_to_intptr(key);
#endif
return _mesa_hash_pointer(key);
}
static int compare_dev(void *key1, void *key2)
static int compare_pointers(void *key1, void *key2)
{
return key1 != key2;
}
@ -252,7 +249,7 @@ amdgpu_winsys_create(int fd, const struct pipe_screen_config *config,
/* Look up the winsys from the dev table. */
simple_mtx_lock(&dev_tab_mutex);
if (!dev_tab)
dev_tab = util_hash_table_create(hash_dev, compare_dev);
dev_tab = util_hash_table_create(hash_pointer, compare_pointers);
/* Initialize the amdgpu device. This should always return the same pointer
* for the same fd. */