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Unify radeon offset checking.
[android-x86/external-libdrm.git] / shared-core / radeon_state.c
index bf5e3d2..40b7d6c 100644 (file)
@@ -43,10 +43,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
                                                    u32 * offset)
 {
        u64 off = *offset;
-       u32 fb_start = dev_priv->fb_location;
-       u32 fb_end = fb_start + dev_priv->fb_size - 1;
-       u32 gart_start = dev_priv->gart_vm_start;
-       u32 gart_end = gart_start + dev_priv->gart_size - 1;
+       u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
        struct drm_radeon_driver_file_fields *radeon_priv;
 
        /* Hrm ... the story of the offset ... So this function converts
@@ -66,8 +63,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
        /* First, the best case, the offset already lands in either the
         * framebuffer or the GART mapped space
         */
-       if ((off >= fb_start && off <= fb_end) ||
-           (off >= gart_start && off <= gart_end))
+       if (radeon_check_offset(dev_priv, off))
                return 0;
 
        /* Ok, that didn't happen... now check if we have a zero based
@@ -81,11 +77,10 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
 
        /* Finally, assume we aimed at a GART offset if beyond the fb */
        if (off > fb_end)
-               off = off - fb_end - 1 + gart_start;
+               off = off - fb_end - 1 + dev_priv->gart_vm_start;
 
        /* Now recheck and fail if out of bounds */
-       if ((off >= fb_start && off <= fb_end) ||
-           (off >= gart_start && off <= gart_end)) {
+       if (radeon_check_offset(dev_priv, off)) {
                DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
                *offset = off;
                return 0;