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drm/radeon: fix radeon kms framebuffer device

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smem.start is a physical address which kernel can remap to access
video memory of the fb buffer. We now pin the fb buffer into vram
by doing so we are loosing vram but fbdev need to be reworked to
allow change in framebuffer address.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Jerome Glisse
2009-06-22 18:15:58 +02:00
committed by Dave Airlie
parent 4e8a2372f9
commit f92e93eb5f
3 changed files with 19 additions and 42 deletions
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30
drivers/gpu/drm/radeon/radeon_object.c
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@ -223,7 +223,6 @@ int radeon_object_pin(struct radeon_object *robj, uint32_t domain,
{
uint32_t flags;
uint32_t tmp;
void *fbptr;
int r;
flags = radeon_object_flags_from_domain(domain);
@ -242,10 +241,6 @@ int radeon_object_pin(struct radeon_object *robj, uint32_t domain,
DRM_ERROR("radeon: failed to reserve object for pinning it.\n");
return r;
}
if (robj->rdev->fbdev_robj == robj) {
mutex_lock(&robj->rdev->fbdev_info->lock);
radeon_object_kunmap(robj);
}
tmp = robj->tobj.mem.placement;
ttm_flag_masked(&tmp, flags, TTM_PL_MASK_MEM);
robj->tobj.proposed_placement = tmp | TTM_PL_FLAG_NO_EVICT | TTM_PL_MASK_CACHING;
@ -261,23 +256,12 @@ int radeon_object_pin(struct radeon_object *robj, uint32_t domain,
DRM_ERROR("radeon: failed to pin object.\n");
}
radeon_object_unreserve(robj);
if (robj->rdev->fbdev_robj == robj) {
if (!r) {
r = radeon_object_kmap(robj, &fbptr);
}
if (!r) {
robj->rdev->fbdev_info->screen_base = fbptr;
robj->rdev->fbdev_info->fix.smem_start = (unsigned long)fbptr;
}
mutex_unlock(&robj->rdev->fbdev_info->lock);
}
return r;
}
void radeon_object_unpin(struct radeon_object *robj)
{
uint32_t flags;
void *fbptr;
int r;
spin_lock(&robj->tobj.lock);
@ -297,10 +281,6 @@ void radeon_object_unpin(struct radeon_object *robj)
DRM_ERROR("radeon: failed to reserve object for unpinning it.\n");
return;
}
if (robj->rdev->fbdev_robj == robj) {
mutex_lock(&robj->rdev->fbdev_info->lock);
radeon_object_kunmap(robj);
}
flags = robj->tobj.mem.placement;
robj->tobj.proposed_placement = flags & ~TTM_PL_FLAG_NO_EVICT;
r = ttm_buffer_object_validate(&robj->tobj,
@ -310,16 +290,6 @@ void radeon_object_unpin(struct radeon_object *robj)
DRM_ERROR("radeon: failed to unpin buffer.\n");
}
radeon_object_unreserve(robj);
if (robj->rdev->fbdev_robj == robj) {
if (!r) {
r = radeon_object_kmap(robj, &fbptr);
}
if (!r) {
robj->rdev->fbdev_info->screen_base = fbptr;
robj->rdev->fbdev_info->fix.smem_start = (unsigned long)fbptr;
}
mutex_unlock(&robj->rdev->fbdev_info->lock);
}
}
int radeon_object_wait(struct radeon_object *robj)