diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-06-21 08:07:45 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-06-21 13:48:22 +0100 |
| commit | 500bfa380e112f744f8ae316c88c0e849833d804 (patch) | |
| tree | 374f7d937bfeeedcfeed0b72fb35aba5452eb253 /drivers/gpu/drm/i915/i915_gem_fence_reg.c | |
| parent | eaf522f62b7454c4c040c4672c36ad0f4cb21fcd (diff) | |
| download | linux-stable-500bfa380e112f744f8ae316c88c0e849833d804.tar.gz linux-stable-500bfa380e112f744f8ae316c88c0e849833d804.tar.bz2 linux-stable-500bfa380e112f744f8ae316c88c0e849833d804.zip | |
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.c | 37 |
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)); +} |