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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-16 11:38:46 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-16 20:28:29 +0000 |
| commit | 0b6bc81dbd6dd2f6132c623e9c3df33fe3397e94 (patch) | |
| tree | ecf82337e044917484aeb302d7b7b3493398a678 /drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c | |
| parent | drm/i915: Remove manual save/resume of fence register state (diff) | |
| download | linux-dev-0b6bc81dbd6dd2f6132c623e9c3df33fe3397e94.tar.xz linux-dev-0b6bc81dbd6dd2f6132c623e9c3df33fe3397e94.zip | |
drm/i915/gt: Allocate i915_fence_reg array
Since the number of fence regs can vary dramactically between platforms,
allocate the array on demand so we don't waste as much space.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200316113846.4974-4-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c index 94af75673a58..b6ba68c42546 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c @@ -857,6 +857,11 @@ void intel_ggtt_init_fences(struct i915_ggtt *ggtt) if (intel_vgpu_active(i915)) num_fences = intel_uncore_read(uncore, vgtif_reg(avail_rs.fence_num)); + ggtt->fence_regs = kcalloc(num_fences, + sizeof(*ggtt->fence_regs), + GFP_KERNEL); + if (!ggtt->fence_regs) + num_fences = 0; /* Initialize fence registers to zero */ for (i = 0; i < num_fences; i++) { @@ -871,6 +876,11 @@ void intel_ggtt_init_fences(struct i915_ggtt *ggtt) intel_ggtt_restore_fences(ggtt); } +void intel_ggtt_fini_fences(struct i915_ggtt *ggtt) +{ + kfree(ggtt->fence_regs); +} + void intel_gt_init_swizzling(struct intel_gt *gt) { struct drm_i915_private *i915 = gt->i915; |