agp/intel-gtt: kill previous_size assignments

Not needed for the GTT and inconsistent: Sometimes the _new_ size
was stored there ...

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 6cb8018..e8ea682 100644 (file)
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -203,13 +203,11 @@ static int intel_i810_fetch_size(void)
                return 0;
        }
        if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
-               agp_bridge->previous_size =
-                       agp_bridge->current_size = (void *) (values + 1);
+               agp_bridge->current_size = (void *) (values + 1);
                agp_bridge->aperture_size_idx = 1;
                return values[1].size;
        } else {
-               agp_bridge->previous_size =
-                       agp_bridge->current_size = (void *) (values);
+               agp_bridge->current_size = (void *) (values);
                agp_bridge->aperture_size_idx = 0;
                return values[0].size;
        }
@@ -825,7 +823,7 @@ static int intel_i830_fetch_size(void)
        if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
            agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
                /* 855GM/852GM/865G has 128MB aperture size */
-               agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+               agp_bridge->current_size = (void *) values;
                agp_bridge->aperture_size_idx = 0;
                return values[0].size;
        }
@@ -833,11 +831,11 @@ static int intel_i830_fetch_size(void)
        pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
 
        if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
-               agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
+               agp_bridge->current_size = (void *) values;
                agp_bridge->aperture_size_idx = 0;
                return values[0].size;
        } else {
-               agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1);
+               agp_bridge->current_size = (void *) (values + 1);
                agp_bridge->aperture_size_idx = 1;
                return values[1].size;
        }
@@ -1202,7 +1200,6 @@ static int intel_i9xx_fetch_size(void)
        for (i = 0; i < num_sizes; i++) {
                if (aper_size == intel_i830_sizes[i].size) {
                        agp_bridge->current_size = intel_i830_sizes + i;
-                       agp_bridge->previous_size = agp_bridge->current_size;
                        return aper_size;
                }
        }