drm/i915/gvt: use well wrapped set_mask_bits() instead of defining new one

Macro set_mask_bits() is ready for us, just invoke it and remove
our write_bits().

Signed-off-by: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Du, Changbin 2016-10-24 15:57:47 +08:00 committed by Zhenyu Wang
parent 2cce9b2894
commit 99c79fd4df

View File

@ -1201,20 +1201,19 @@ static int gen8_update_plane_mmio_from_mi_display_flip(
struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
struct intel_vgpu *vgpu = s->vgpu;
#define write_bits(reg, e, s, v) do { \
vgpu_vreg(vgpu, reg) &= ~GENMASK(e, s); \
vgpu_vreg(vgpu, reg) |= (v << s); \
} while (0)
write_bits(info->surf_reg, 31, 12, info->surf_val);
if (IS_SKYLAKE(dev_priv))
write_bits(info->stride_reg, 9, 0, info->stride_val);
else
write_bits(info->stride_reg, 15, 6, info->stride_val);
write_bits(info->ctrl_reg, IS_SKYLAKE(dev_priv) ? 12 : 10,
10, info->tile_val);
#undef write_bits
set_mask_bits(&vgpu_vreg(vgpu, info->surf_reg), GENMASK(31, 12),
info->surf_val << 12);
if (IS_SKYLAKE(dev_priv)) {
set_mask_bits(&vgpu_vreg(vgpu, info->stride_reg), GENMASK(9, 0),
info->stride_val);
set_mask_bits(&vgpu_vreg(vgpu, info->ctrl_reg), GENMASK(12, 10),
info->tile_val << 10);
} else {
set_mask_bits(&vgpu_vreg(vgpu, info->stride_reg), GENMASK(15, 6),
info->stride_val << 6);
set_mask_bits(&vgpu_vreg(vgpu, info->ctrl_reg), GENMASK(10, 10),
info->tile_val << 10);
}
vgpu_vreg(vgpu, PIPE_FRMCOUNT_G4X(info->pipe))++;
intel_vgpu_trigger_virtual_event(vgpu, info->event);