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intel: Remove the old swrast flag for reducing cache flushing. 

It hasn't been doing anything effective since
52e5d24fae, and we pretty much don't bo_map
pinned buffers any more anyway.
main
Eric Anholt 2009-09-06 23:02:21 -07:00
parent 0a24654129
commit 456a358b9a
1 changed files with 25 additions and 37 deletions
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62
libdrm/intel/intel_bufmgr_gem.c
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@ -126,13 +126,6 @@ struct _drm_intel_bo_gem {
*/
int validate_index;
/**
* Boolean whether we've started swrast
* Set when the buffer has been mapped
* Cleared when the buffer is unmapped
*/
int swrast;
/**
* Current tiling mode
*/
@ -663,30 +656,26 @@ drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable)
return ret;
}
bo_gem->mem_virtual = (void *)(uintptr_t)mmap_arg.addr_ptr;
bo_gem->swrast = 0;
}
DBG("bo_map: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name,
bo_gem->mem_virtual);
bo->virtual = bo_gem->mem_virtual;
if (bo_gem->global_name != 0 || !bo_gem->swrast) {
set_domain.handle = bo_gem->gem_handle;
set_domain.read_domains = I915_GEM_DOMAIN_CPU;
if (write_enable)
set_domain.write_domain = I915_GEM_DOMAIN_CPU;
else
set_domain.write_domain = 0;
do {
ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN,
&set_domain);
} while (ret == -1 && errno == EINTR);
if (ret != 0) {
fprintf (stderr, "%s:%d: Error setting swrast %d: %s\n",
__FILE__, __LINE__, bo_gem->gem_handle, strerror (errno));
pthread_mutex_unlock(&bufmgr_gem->lock);
return ret;
}
bo_gem->swrast = 1;
set_domain.handle = bo_gem->gem_handle;
set_domain.read_domains = I915_GEM_DOMAIN_CPU;
if (write_enable)
set_domain.write_domain = I915_GEM_DOMAIN_CPU;
else
set_domain.write_domain = 0;
do {
ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN,
&set_domain);
} while (ret == -1 && errno == EINTR);
if (ret != 0) {
fprintf (stderr, "%s:%d: Error setting to CPU domain %d: %s\n",
__FILE__, __LINE__, bo_gem->gem_handle, strerror (errno));
pthread_mutex_unlock(&bufmgr_gem->lock);
return ret;
}
pthread_mutex_unlock(&bufmgr_gem->lock);
@ -797,14 +786,16 @@ drm_intel_gem_bo_unmap(drm_intel_bo *bo)
assert(bo_gem->mem_virtual != NULL);
pthread_mutex_lock(&bufmgr_gem->lock);
if (bo_gem->swrast) {
sw_finish.handle = bo_gem->gem_handle;
do {
ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SW_FINISH,
&sw_finish);
} while (ret == -1 && errno == EINTR);
bo_gem->swrast = 0;
}
/* Cause a flush to happen if the buffer's pinned for scanout, so the
* results show up in a timely manner.
*/
sw_finish.handle = bo_gem->gem_handle;
do {
ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_SW_FINISH,
&sw_finish);
} while (ret == -1 && errno == EINTR);
bo->virtual = NULL;
pthread_mutex_unlock(&bufmgr_gem->lock);
return 0;
@ -1100,9 +1091,6 @@ drm_intel_gem_bo_exec(drm_intel_bo *bo, int used,
drm_intel_bo *bo = bufmgr_gem->exec_bos[i];
drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *)bo;
/* Need to call swrast on next bo_map */
bo_gem->swrast = 0;
/* Disconnect the buffer from the validate list */
bo_gem->validate_index = -1;
drm_intel_gem_bo_unreference_locked(bo);