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path: root/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
index 67de2b189598..e72b7a0dc316 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
@@ -1,24 +1,6 @@
+// SPDX-License-Identifier: MIT
/*
* Copyright © 2008-2015 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
*/
#include "i915_drv.h"
@@ -609,6 +591,7 @@ static void detect_bit_6_swizzle(struct i915_ggtt *ggtt)
}
} else {
u32 dimm_c0, dimm_c1;
+
dimm_c0 = intel_uncore_read(uncore, MAD_DIMM_C0);
dimm_c1 = intel_uncore_read(uncore, MAD_DIMM_C1);
dimm_c0 &= MAD_DIMM_A_SIZE_MASK | MAD_DIMM_B_SIZE_MASK;
@@ -798,10 +781,12 @@ i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
i = 0;
for_each_sgt_page(page, sgt_iter, pages) {
char new_bit_17 = page_to_phys(page) >> 17;
+
if ((new_bit_17 & 0x1) != (test_bit(i, obj->bit_17) != 0)) {
swizzle_page(page);
set_page_dirty(page);
}
+
i++;
}
}