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Subject[PATCH 3/9] drm/i915/gvt: Constify intel_gvt_irq_ops
Date
These are never modified, so make them const to allow the compiler to
put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
drivers/gpu/drm/i915/gvt/interrupt.c | 10 +++++-----
drivers/gpu/drm/i915/gvt/interrupt.h | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c
index 614b951d919f..9ccc6b1ecc28 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.c
+++ b/drivers/gpu/drm/i915/gvt/interrupt.c
@@ -176,7 +176,7 @@ int intel_vgpu_reg_imr_handler(struct intel_vgpu *vgpu,
unsigned int reg, void *p_data, unsigned int bytes)
{
struct intel_gvt *gvt = vgpu->gvt;
- struct intel_gvt_irq_ops *ops = gvt->irq.ops;
+ const struct intel_gvt_irq_ops *ops = gvt->irq.ops;
u32 imr = *(u32 *)p_data;

trace_write_ir(vgpu->id, "IMR", reg, imr, vgpu_vreg(vgpu, reg),
@@ -206,7 +206,7 @@ int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu,
unsigned int reg, void *p_data, unsigned int bytes)
{
struct intel_gvt *gvt = vgpu->gvt;
- struct intel_gvt_irq_ops *ops = gvt->irq.ops;
+ const struct intel_gvt_irq_ops *ops = gvt->irq.ops;
u32 ier = *(u32 *)p_data;
u32 virtual_ier = vgpu_vreg(vgpu, reg);

@@ -246,7 +246,7 @@ int intel_vgpu_reg_ier_handler(struct intel_vgpu *vgpu,
{
struct intel_gvt *gvt = vgpu->gvt;
struct drm_i915_private *i915 = gvt->gt->i915;
- struct intel_gvt_irq_ops *ops = gvt->irq.ops;
+ const struct intel_gvt_irq_ops *ops = gvt->irq.ops;
struct intel_gvt_irq_info *info;
u32 ier = *(u32 *)p_data;

@@ -604,7 +604,7 @@ static void gen8_init_irq(
SET_BIT_INFO(irq, 25, PCU_PCODE2DRIVER_MAILBOX, INTEL_GVT_IRQ_INFO_PCU);
}

-static struct intel_gvt_irq_ops gen8_irq_ops = {
+static const struct intel_gvt_irq_ops gen8_irq_ops = {
.init_irq = gen8_init_irq,
.check_pending_irq = gen8_check_pending_irq,
};
@@ -626,7 +626,7 @@ void intel_vgpu_trigger_virtual_event(struct intel_vgpu *vgpu,
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_irq *irq = &gvt->irq;
gvt_event_virt_handler_t handler;
- struct intel_gvt_irq_ops *ops = gvt->irq.ops;
+ const struct intel_gvt_irq_ops *ops = gvt->irq.ops;

handler = get_event_virt_handler(irq, event);
drm_WARN_ON(&i915->drm, !handler);
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.h b/drivers/gpu/drm/i915/gvt/interrupt.h
index 6c47d3e33161..0989e180ed54 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.h
+++ b/drivers/gpu/drm/i915/gvt/interrupt.h
@@ -203,7 +203,7 @@ struct intel_gvt_irq_map {

/* structure containing device specific IRQ state */
struct intel_gvt_irq {
- struct intel_gvt_irq_ops *ops;
+ const struct intel_gvt_irq_ops *ops;
struct intel_gvt_irq_info *info[INTEL_GVT_IRQ_INFO_MAX];
DECLARE_BITMAP(irq_info_bitmap, INTEL_GVT_IRQ_INFO_MAX);
struct intel_gvt_event_info events[INTEL_GVT_EVENT_MAX];
--
2.34.1
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