MSR_RAPL_POWER_UNIT is not available on older kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
.../drm/16-remove-energy-read/i915.patch | 28 ++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 patches/collateral-evolutions/drm/16-remove-energy-read/i915.patch
diff --git a/patches/collateral-evolutions/drm/16-remove-energy-read/i915.patch b/patches/collateral-evolutions/drm/16-remove-energy-read/i915.patch
new file mode 100644
index 0000000..6511b99
--- /dev/null
+++ b/patches/collateral-evolutions/drm/16-remove-energy-read/i915.patch
@@ -0,0 +1,28 @@
+--- a/drivers/gpu/drm/i915/i915_debugfs.c
++++ b/drivers/gpu/drm/i915/i915_debugfs.c
+@@ -1770,6 +1770,7 @@ static int i915_edp_psr_status(struct se
+ return 0;
+ }
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+ static int i915_energy_uJ(struct seq_file *m, void *data)
+ {
+ struct drm_info_node *node = m->private;
+@@ -1790,6 +1791,7 @@ static int i915_energy_uJ(struct seq_fil
+ seq_printf(m, "%llu", (long long unsigned)power);
+ return 0;
+ }
++#endif
+
+ static int
+ i915_wedged_get(void *data, u64 *val)
+@@ -2230,7 +2232,9 @@ static struct drm_info_list i915_debugfs
+ {"i915_dpio", i915_dpio_info, 0},
+ {"i915_llc", i915_llc, 0},
+ {"i915_edp_psr_status", i915_edp_psr_status, 0},
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+ {"i915_energy_uJ", i915_energy_uJ, 0},
++#endif
+ };
+ #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
+
--
1.7.10.4
--
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