drm/i915/gvt: add define GEN9_MOCS_SIZE

No functional change. This defination will also be used in future patchesi.

v4:
- refine patch description (Kevin)

Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 73ad6e9..ca4ba56 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -50,6 +50,8 @@
 #define RING_GFX_MODE(base)    _MMIO((base) + 0x29c)
 #define VF_GUARDBAND           _MMIO(0x83a4)
 
+#define GEN9_MOCS_SIZE         64
+
 /* Raw offset is appened to each line for convenience. */
 static struct engine_mmio gen8_engine_mmio_list[] __cacheline_aligned = {
        {RCS, GFX_MODE_GEN7, 0xffff, false}, /* 0x229c */
@@ -151,8 +153,8 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
 
 static struct {
        bool initialized;
-       u32 control_table[I915_NUM_ENGINES][64];
-       u32 l3cc_table[32];
+       u32 control_table[I915_NUM_ENGINES][GEN9_MOCS_SIZE];
+       u32 l3cc_table[GEN9_MOCS_SIZE / 2];
 } gen9_render_mocs;
 
 static void load_render_mocs(struct drm_i915_private *dev_priv)
@@ -169,7 +171,7 @@ static void load_render_mocs(struct drm_i915_private *dev_priv)
 
        for (ring_id = 0; ring_id < ARRAY_SIZE(regs); ring_id++) {
                offset.reg = regs[ring_id];
-               for (i = 0; i < 64; i++) {
+               for (i = 0; i < GEN9_MOCS_SIZE; i++) {
                        gen9_render_mocs.control_table[ring_id][i] =
                                I915_READ_FW(offset);
                        offset.reg += 4;
@@ -177,7 +179,7 @@ static void load_render_mocs(struct drm_i915_private *dev_priv)
        }
 
        offset.reg = 0xb020;
-       for (i = 0; i < 32; i++) {
+       for (i = 0; i < GEN9_MOCS_SIZE / 2; i++) {
                gen9_render_mocs.l3cc_table[i] =
                        I915_READ_FW(offset);
                offset.reg += 4;
@@ -255,7 +257,7 @@ static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next,
                load_render_mocs(dev_priv);
 
        offset.reg = regs[ring_id];
-       for (i = 0; i < 64; i++) {
+       for (i = 0; i < GEN9_MOCS_SIZE; i++) {
                if (pre)
                        old_v = vgpu_vreg_t(pre, offset);
                else
@@ -273,7 +275,7 @@ static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next,
 
        if (ring_id == RCS) {
                l3_offset.reg = 0xb020;
-               for (i = 0; i < 32; i++) {
+               for (i = 0; i < GEN9_MOCS_SIZE / 2; i++) {
                        if (pre)
                                old_v = vgpu_vreg_t(pre, l3_offset);
                        else