summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_gem_fence_reg.c
diff options
context:
space:
mode:
authorTvrtko Ursulin <tvrtko.ursulin@intel.com>2019-06-21 10:07:45 +0300
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>2019-06-21 15:48:22 +0300
commit500bfa380e112f744f8ae316c88c0e849833d804 (patch)
tree374f7d937bfeeedcfeed0b72fb35aba5452eb253 /drivers/gpu/drm/i915/i915_gem_fence_reg.c
parenteaf522f62b7454c4c040c4672c36ad0f4cb21fcd (diff)
downloadlinux-500bfa380e112f744f8ae316c88c0e849833d804.tar.xz
drm/i915: Convert i915_gem_init_swizzling to intel_gt
Start using the newly introduced struct intel_gt to fuse together correct logical init flow with uncore for more removal of implicit dev_priv in mmio access. v2: * Move code to i915_gem_fence_reg. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-7-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_fence_reg.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_fence_reg.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
index 0bf53ac1c835..dd09790c420d 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
@@ -834,3 +834,40 @@ void i915_ggtt_init_fences(struct i915_ggtt *ggtt)
i915_gem_restore_fences(i915);
}
+
+void intel_gt_init_swizzling(struct intel_gt *gt)
+{
+ struct drm_i915_private *i915 = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
+
+ if (INTEL_GEN(i915) < 5 ||
+ i915->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE)
+ return;
+
+ intel_uncore_write(uncore,
+ DISP_ARB_CTL,
+ intel_uncore_read(uncore, DISP_ARB_CTL) |
+ DISP_TILE_SURFACE_SWIZZLING);
+
+ if (IS_GEN(i915, 5))
+ return;
+
+ intel_uncore_write(uncore,
+ TILECTL,
+ intel_uncore_read(uncore, TILECTL) | TILECTL_SWZCTL);
+
+ if (IS_GEN(i915, 6))
+ intel_uncore_write(uncore,
+ ARB_MODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
+ else if (IS_GEN(i915, 7))
+ intel_uncore_write(uncore,
+ ARB_MODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
+ else if (IS_GEN(i915, 8))
+ intel_uncore_write(uncore,
+ GAMTARBMODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
+ else
+ MISSING_CASE(INTEL_GEN(i915));
+}