Move has_64bit_reloc into dev_priv->info.

v2:
- Keep the struct member to keep GCC fragile but happy (Chris)

Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h              | 3 +++
 drivers/gpu/drm/i915/i915_gem_execbuffer.c   | 3 ++-
 drivers/gpu/drm/i915/i915_gem_render_state.c | 3 +--
 drivers/gpu/drm/i915/i915_pci.c              | 3 ++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index eaa01da..ae0217d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -670,6 +670,7 @@ struct intel_csr {
        func(is_kabylake); \
        func(is_preliminary); \
        /* Keep has_* in alphabetical order */ \
+       func(has_64bit_reloc); \
        func(has_csr); \
        func(has_ddi); \
        func(has_dp_mst); \
@@ -2917,6 +2918,8 @@ struct drm_i915_cmd_table {
 #define HAS_CSR(dev)   (INTEL_INFO(dev)->has_csr)
 
 #define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm)
+#define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc)
+
 /*
  * For now, anything with a GuC requires uCode loading, and then supports
  * command submission once loaded. But these are logically independent
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c 
b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index c35e847..322c580 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -331,7 +331,8 @@ static void reloc_cache_init(struct reloc_cache *cache,
        cache->page = -1;
        cache->vaddr = 0;
        cache->i915 = i915;
-       cache->use_64bit_reloc = INTEL_GEN(cache->i915) >= 8;
+       /* Must be a variable in the struct to allow GCC to unroll. */
+       cache->use_64bit_reloc = HAS_64BIT_RELOC(i915);
        cache->node.allocated = false;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c 
b/drivers/gpu/drm/i915/i915_gem_render_state.c
index 57918f2..5af19b0 100644
--- a/drivers/gpu/drm/i915/i915_gem_render_state.c
+++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
@@ -74,7 +74,6 @@ static int render_state_setup(struct intel_render_state *so,
                              struct drm_i915_private *i915)
 {
        const struct intel_renderstate_rodata *rodata = so->rodata;
-       const bool has_64bit_reloc = INTEL_GEN(i915) >= 8;
        struct drm_i915_gem_object *obj = so->vma->obj;
        unsigned int i = 0, reloc_index = 0;
        unsigned int needs_clflush;
@@ -93,7 +92,7 @@ static int render_state_setup(struct intel_render_state *so,
                if (i * 4  == rodata->reloc[reloc_index]) {
                        u64 r = s + so->vma->node.start;
                        s = lower_32_bits(r);
-                       if (has_64bit_reloc) {
+                       if (HAS_64BIT_RELOC(i915)) {
                                if (i + 1 >= rodata->batch_items ||
                                    rodata->batch[i + 1] != 0)
                                        goto err;
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 31e6edd..9d2b5d3 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -288,7 +288,8 @@ static const struct intel_device_info intel_haswell_info = {
 #define BDW_FEATURES \
        HSW_FEATURES, \
        BDW_COLORS, \
-       .has_logical_ring_contexts = 1
+       .has_logical_ring_contexts = 1, \
+       .has_64bit_reloc = 1
 
 static const struct intel_device_info intel_broadwell_info = {
        BDW_FEATURES,
-- 
2.7.4

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