drm/i915/gvt: Cleanup struct intel_gvt_mmio_info

The size, length, addr_mask fields actually are not necessary. Every
tracked mmio has DWORD size, and addr_mask is a legacy field.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

3 files changed, 3 insertions, 16 deletions

diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c
index dce8d15f706f..5dad9298b2d5 100644
--- a/drivers/gpu/drm/i915/gvt/firmware.c
+++ b/drivers/gpu/drm/i915/gvt/firmware.c
@@ -102,13 +102,8 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt)
 
         p = firmware + h->mmio_offset;
 
-        hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
-                int j;
-
-                for (j = 0; j < e->length; j += 4)
-                        *(u32 *)(p + e->offset + j) =
-                                I915_READ_NOTRACE(_MMIO(e->offset + j));
-        }
+        hash_for_each(gvt->mmio.mmio_info_table, i, e, node)
+                *(u32 *)(p + e->offset) = I915_READ_NOTRACE(_MMIO(e->offset));
 
         memcpy(gvt->firmware.mmio, p, info->mmio_size);
 
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 60c0db10ae15..29de07f4d219 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -131,9 +131,7 @@ static int new_mmio_info(struct intel_gvt *gvt,
                 if (p)
                         gvt_err("dup mmio definition offset %x\n",
                                 info->offset);
-                info->size = size;
-                info->length = (i + 4) < end ? 4 : (end - i);
-                info->addr_mask = addr_mask;
+
                 info->ro_mask = ro_mask;
                 info->device = device;
                 info->read = read ? read : intel_vgpu_default_mmio_read;
@@ -3114,9 +3112,6 @@ int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
                 goto default_rw;
         }
 
-        if (WARN_ON(bytes > mmio_info->size))
-                return -EINVAL;
-
         if (is_read)
                 return mmio_info->read(vgpu, offset, pdata, bytes);
         else {
diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h
index 4410a323eea3..0c89e10dcce4 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.h
+++ b/drivers/gpu/drm/i915/gvt/mmio.h
@@ -57,9 +57,6 @@ typedef int (*gvt_mmio_func)(struct intel_vgpu *, unsigned int, void *,
 
 struct intel_gvt_mmio_info {
         u32 offset;
-        u32 size;
-        u32 length;
-        u32 addr_mask;
         u64 ro_mask;
         u32 device;
         gvt_mmio_func read;