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WSL2-Linux-Kernel
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drm/i915/gvt: reduce the line of interrupt logs and log friendly 

Reduce the line of logs in below functions and log friendly.
  o intel_vgpu_reg_imr_handler
  o intel_vgpu_reg_master_irq_handler
  o intel_vgpu_reg_ier_handler
  o intel_vgpu_reg_iir_handler

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Changbin Du 2017-02-09 10:13:17 +08:00 коммит произвёл Zhenyu Wang
Родитель 3ce3274bff
Коммит b15b2a612d
1 изменённых файлов: 11 добавлений и 42 удалений
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53
drivers/gpu/drm/i915/gvt/interrupt.c
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@ -176,26 +176,15 @@ int intel_vgpu_reg_imr_handler(struct intel_vgpu *vgpu,
{
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_irq_ops *ops = gvt->irq.ops;
u32 changed, masked, unmasked;
u32 imr = *(u32 *)p_data;
gvt_dbg_irq("write IMR %x with val %x\n",
reg, imr);
gvt_dbg_irq("old vIMR %x\n", vgpu_vreg(vgpu, reg));
/* figure out newly masked/unmasked bits */
changed = vgpu_vreg(vgpu, reg) ^ imr;
masked = (vgpu_vreg(vgpu, reg) & changed) ^ changed;
unmasked = masked ^ changed;
gvt_dbg_irq("changed %x, masked %x, unmasked %x\n",
changed, masked, unmasked);
gvt_dbg_irq("write IMR %x, new %08x, old %08x, changed %08x\n",
reg, imr, vgpu_vreg(vgpu, reg), vgpu_vreg(vgpu, reg) ^ imr);
vgpu_vreg(vgpu, reg) = imr;
ops->check_pending_irq(vgpu);
gvt_dbg_irq("IRQ: new vIMR %x\n", vgpu_vreg(vgpu, reg));
return 0;
}
@ -217,14 +206,11 @@ int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu,
{
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_irq_ops *ops = gvt->irq.ops;
u32 changed, enabled, disabled;
u32 ier = *(u32 *)p_data;
u32 virtual_ier = vgpu_vreg(vgpu, reg);
gvt_dbg_irq("write master irq reg %x with val %x\n",
reg, ier);
gvt_dbg_irq("old vreg %x\n", vgpu_vreg(vgpu, reg));
gvt_dbg_irq("write MASTER_IRQ %x, new %08x, old %08x, changed %08x\n",
reg, ier, virtual_ier, virtual_ier ^ ier);
/*
* GEN8_MASTER_IRQ is a special irq register,
@ -236,16 +222,8 @@ int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu,
vgpu_vreg(vgpu, reg) &= ~GEN8_MASTER_IRQ_CONTROL;
vgpu_vreg(vgpu, reg) |= ier;
/* figure out newly enabled/disable bits */
changed = virtual_ier ^ ier;
enabled = (virtual_ier & changed) ^ changed;
disabled = enabled ^ changed;
gvt_dbg_irq("changed %x, enabled %x, disabled %x\n",
changed, enabled, disabled);
ops->check_pending_irq(vgpu);
gvt_dbg_irq("new vreg %x\n", vgpu_vreg(vgpu, reg));
return 0;
}
@ -268,21 +246,11 @@ int intel_vgpu_reg_ier_handler(struct intel_vgpu *vgpu,
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_irq_ops *ops = gvt->irq.ops;
struct intel_gvt_irq_info *info;
u32 changed, enabled, disabled;
u32 ier = *(u32 *)p_data;
gvt_dbg_irq("write IER %x with val %x\n",
reg, ier);
gvt_dbg_irq("write IER %x, new %08x, old %08x, changed %08x\n",
reg, ier, vgpu_vreg(vgpu, reg), vgpu_vreg(vgpu, reg) ^ ier);
gvt_dbg_irq("old vIER %x\n", vgpu_vreg(vgpu, reg));
/* figure out newly enabled/disable bits */
changed = vgpu_vreg(vgpu, reg) ^ ier;
enabled = (vgpu_vreg(vgpu, reg) & changed) ^ changed;
disabled = enabled ^ changed;
gvt_dbg_irq("changed %x, enabled %x, disabled %x\n",
changed, enabled, disabled);
vgpu_vreg(vgpu, reg) = ier;
info = regbase_to_irq_info(gvt, ier_to_regbase(reg));
@ -293,7 +261,7 @@ int intel_vgpu_reg_ier_handler(struct intel_vgpu *vgpu,
update_upstream_irq(vgpu, info);
ops->check_pending_irq(vgpu);
gvt_dbg_irq("new vIER %x\n", vgpu_vreg(vgpu, reg));
return 0;
}
@ -317,7 +285,8 @@ int intel_vgpu_reg_iir_handler(struct intel_vgpu *vgpu, unsigned int reg,
iir_to_regbase(reg));
u32 iir = *(u32 *)p_data;
gvt_dbg_irq("write IIR %x with val %x\n", reg, iir);
gvt_dbg_irq("write IIR %x, new %08x, old %08x, changed %08x\n",
reg, iir, vgpu_vreg(vgpu, reg), vgpu_vreg(vgpu, reg) ^ iir);
if (WARN_ON(!info))
return -EINVAL;