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drm/vmwgfx: Don't send bad flags to the host

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Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz 2010-01-30 03:38:08 +00:00 committed by Dave Airlie
parent c188660f6d
commit 5ffdb658f6
3 changed files with 27 additions and 1 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -96,6 +96,8 @@ struct vmw_surface {
struct drm_vmw_size *sizes;
uint32_t num_sizes;
bool scanout;
/* TODO so far just a extra pointer */
struct vmw_cursor_snooper snooper;
};

10
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -707,6 +707,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret)
goto try_dmabuf;
if (!surface->scanout)
goto err_not_scanout;
ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
mode_cmd->width, mode_cmd->height);
@ -740,6 +743,13 @@ try_dmabuf:
}
return &vfb->base;
err_not_scanout:
DRM_ERROR("surface not marked as scanout\n");
/* vmw_user_surface_lookup takes one ref */
vmw_surface_unreference(&surface);
return NULL;
}
static int vmw_kms_fb_changed(struct drm_device *dev)

16
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
View File

@ -35,6 +35,11 @@
#define VMW_RES_SURFACE ttm_driver_type1
#define VMW_RES_STREAM ttm_driver_type2
/* XXX: This isn't a real hardware flag, but just a hack for kernel to
* know about primary surfaces. Find a better way to accomplish this.
*/
#define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
struct vmw_user_context {
struct ttm_base_object base;
struct vmw_resource res;
@ -599,8 +604,17 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
if (unlikely(ret != 0))
goto out_err1;
if (srf->flags & SVGA3D_SURFACE_HINT_SCANOUT) {
/* we should not send this flag down to hardware since
* its not a official one
*/
srf->flags &= ~SVGA3D_SURFACE_HINT_SCANOUT;
srf->scanout = true;
} else {
srf->scanout = false;
}
if (srf->flags & (1 << 9) &&
if (srf->scanout &&
srf->num_sizes == 1 &&
srf->sizes[0].width == 64 &&
srf->sizes[0].height == 64 &&