If csr/dmc firmware is known to be outdated, notify
user.
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_csr.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index 58edc3f..73807c3 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -45,6 +45,9 @@
MODULE_FIRMWARE(I915_CSR_SKL);
+#define RECOMMENDED_FW_MAJOR 1
+#define RECOMMENDED_FW_MINOR 21
+
/*
* SKL CSR registers for DC5 and DC6
*/
@@ -387,6 +390,12 @@ static void finish_csr_load(const struct firmware *fw, void *context)
DRM_DEBUG_KMS("Finished loading %s v%u.%u\n", dev_priv->csr.fw_path,
csr->dmc_ver_major, csr->dmc_ver_minor);
+
+ if (csr->dmc_ver_major < RECOMMENDED_FW_MAJOR ||
+ csr->dmc_ver_minor < RECOMMENDED_FW_MINOR)
+ DRM_INFO("Outdated dmc firmware found, please upgrade to %u.%u or newer\n",
+ RECOMMENDED_FW_MAJOR, RECOMMENDED_FW_MINOR);
+
out:
if (fw_loaded)
intel_runtime_pm_put(dev_priv);
--
2.1.4
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