diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c | 23 |
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++; } } |