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drm/i915: Propagate error from i915_gem_object_flush_gpu_write_domain()

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson 2010-06-07 14:03:05 +01:00 committed by Eric Anholt
parent 96b099fd6d
commit 2dafb1e082
3 changed files with 35 additions and 14 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -982,7 +982,7 @@ void i915_gem_free_all_phys_object(struct drm_device *dev);
int i915_gem_object_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
void i915_gem_object_put_pages(struct drm_gem_object *obj);
void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
void i915_gem_object_flush_write_domain(struct drm_gem_object *obj);
int i915_gem_object_flush_write_domain(struct drm_gem_object *obj);
void i915_gem_shrinker_init(void);
void i915_gem_shrinker_exit(void);

43
drivers/gpu/drm/i915/i915_gem.c
View File

@ -35,7 +35,7 @@
#include <linux/swap.h>
#include <linux/pci.h>
static void i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj);
static int i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_gtt_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj);
static int i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj,
@ -2583,7 +2583,10 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
if (!IS_I965G(dev)) {
int ret;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret != 0)
return ret;
ret = i915_gem_object_wait_rendering(obj);
if (ret != 0)
return ret;
@ -2731,7 +2734,7 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
}
/** Flushes any GPU write domain for the object if it's dirty. */
static void
static int
i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
@ -2739,17 +2742,18 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
if ((obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
return;
return 0;
/* Queue the GPU write cache flushing we need. */
old_write_domain = obj->write_domain;
i915_gem_flush(dev, 0, obj->write_domain);
(void) i915_add_request(dev, NULL, obj->write_domain, obj_priv->ring);
BUG_ON(obj->write_domain);
if (i915_add_request(dev, NULL, obj->write_domain, obj_priv->ring) == 0)
return -ENOMEM;
trace_i915_gem_object_change_domain(obj,
obj->read_domains,
old_write_domain);
return 0;
}
/** Flushes the GTT write domain for the object if it's dirty. */
@ -2793,9 +2797,11 @@ i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj)
old_write_domain);
}
void
int
i915_gem_object_flush_write_domain(struct drm_gem_object *obj)
{
int ret = 0;
switch (obj->write_domain) {
case I915_GEM_DOMAIN_GTT:
i915_gem_object_flush_gtt_write_domain(obj);
@ -2804,9 +2810,11 @@ i915_gem_object_flush_write_domain(struct drm_gem_object *obj)
i915_gem_object_flush_cpu_write_domain(obj);
break;
default:
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
break;
}
return ret;
}
/**
@ -2826,7 +2834,10 @@ i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write)
if (obj_priv->gtt_space == NULL)
return -EINVAL;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret != 0)
return ret;
/* Wait on any GPU rendering and flushing to occur. */
ret = i915_gem_object_wait_rendering(obj);
if (ret != 0)
@ -2876,7 +2887,9 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj)
if (obj_priv->gtt_space == NULL)
return -EINVAL;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
/* Wait on any GPU rendering and flushing to occur. */
if (obj_priv->active) {
@ -2924,7 +2937,10 @@ i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj, int write)
uint32_t old_write_domain, old_read_domains;
int ret;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
/* Wait on any GPU rendering and flushing to occur. */
ret = i915_gem_object_wait_rendering(obj);
if (ret != 0)
@ -3214,7 +3230,10 @@ i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
if (offset == 0 && size == obj->size)
return i915_gem_object_set_to_cpu_domain(obj, 0);
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
/* Wait on any GPU rendering and flushing to occur. */
ret = i915_gem_object_wait_rendering(obj);
if (ret != 0)

4
drivers/gpu/drm/i915/intel_display.c
View File

@ -4905,7 +4905,9 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
drm_gem_object_reference(obj);
crtc->fb = fb;
i915_gem_object_flush_write_domain(obj);
ret = i915_gem_object_flush_write_domain(obj);
if (ret)
goto cleanup_objs;
ret = drm_vblank_get(dev, intel_crtc->pipe);
if (ret)