diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-11-04 23:20:12 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-11-18 14:35:42 +0200 |
| commit | ab75bb5d852cf9a877a973c2174e7791d92554c5 (patch) | |
| tree | 7ada1495b917a48ce7323d400cd331ea96a0a84a | |
| parent | 0d925ea02310fa5b99988bfe7942aa010f2a4723 (diff) | |
drm/i915: Turn vgpu pdps into an array
We'll want to avoid performing arithmetic with register offsets, so
instead calculating the vgpu PDP as pdp0_lo+offset, make the PDPs
into an array. This way we can simply loop through them.
Cc: Eddie Dong <eddie.dong@intel.com>
Cc: Jike Song <jike.song@intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Yu Zhang <yu.c.zhang@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Zhiyuan Lv <zhiyuan.lv@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-25-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Zhiyuan Lv <zhiyuan.lv@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vgpu.h | 12 |
2 files changed, 8 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 1e3dd1060e51..96e923648360 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -910,14 +910,13 @@ static int gen8_ppgtt_notify_vgt(struct i915_hw_ppgtt *ppgtt, bool create) enum vgt_g2v_type msg; struct drm_device *dev = ppgtt->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - unsigned int offset = vgtif_reg(pdp0_lo); int i; if (USES_FULL_48BIT_PPGTT(dev)) { u64 daddr = px_dma(&ppgtt->pml4); - I915_WRITE(offset, lower_32_bits(daddr)); - I915_WRITE(offset + 4, upper_32_bits(daddr)); + I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr)); + I915_WRITE(vgtif_reg(pdp[0].hi), upper_32_bits(daddr)); msg = (create ? VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE : VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY); @@ -925,10 +924,8 @@ static int gen8_ppgtt_notify_vgt(struct i915_hw_ppgtt *ppgtt, bool create) for (i = 0; i < GEN8_LEGACY_PDPES; i++) { u64 daddr = i915_page_dir_dma_addr(ppgtt, i); - I915_WRITE(offset, lower_32_bits(daddr)); - I915_WRITE(offset + 4, upper_32_bits(daddr)); - - offset += 8; + I915_WRITE(vgtif_reg(pdp[i].lo), lower_32_bits(daddr)); + I915_WRITE(vgtif_reg(pdp[i].hi), upper_32_bits(daddr)); } msg = (create ? VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE : diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h index 21c97f44d637..2c97d5a47e6d 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.h +++ b/drivers/gpu/drm/i915/i915_vgpu.h @@ -92,14 +92,10 @@ struct vgt_if { uint32_t g2v_notify; uint32_t rsv6[7]; - uint32_t pdp0_lo; - uint32_t pdp0_hi; - uint32_t pdp1_lo; - uint32_t pdp1_hi; - uint32_t pdp2_lo; - uint32_t pdp2_hi; - uint32_t pdp3_lo; - uint32_t pdp3_hi; + struct { + uint32_t lo; + uint32_t hi; + } pdp[4]; uint32_t execlist_context_descriptor_lo; uint32_t execlist_context_descriptor_hi; |