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drm/i915: add fence register management to execbuf

Sfoglia il codice sorgente 
Adds code to set up fence registers at execbuf time on pre-965 chips as
necessary.  Also fixes up a few bugs in the pre-965 tile register support
(get_order != ffs).  The number of fences available to the kernel defaults
to the hw limit minus 3 (for legacy X front/back/depth), but a new parameter
allows userspace to override that as needed.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Jesse Barnes
2009-01-26 17:10:45 -08:00
committato da Dave Airlie
parent d9ddcb96e0
commit 0f973f2788
6 ha cambiato i file con 146 aggiunte e 20 eliminazioni
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6
drivers/gpu/drm/i915/i915_drv.h
Vedi File

@@ -602,6 +602,7 @@ int i915_gem_init_object(struct drm_gem_object *obj);
void i915_gem_free_object(struct drm_gem_object *obj);
int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
void i915_gem_object_unpin(struct drm_gem_object *obj);
int i915_gem_object_unbind(struct drm_gem_object *obj);
void i915_gem_lastclose(struct drm_device *dev);
uint32_t i915_get_gem_seqno(struct drm_device *dev);
void i915_gem_retire_requests(struct drm_device *dev);
@@ -785,6 +786,11 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
* rows, which changed the alignment requirements and fence programming.
*/
#define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
IS_I915GM(dev)))
#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)