From: Damien Lespiau <damien.lespiau@xxxxxxxxx>
That can be handy later on to tell which DMC firmware version the user
has, by just looking at the dmesg.
v2: use DRM_DEBUG_DRIVER (Chris)
v3: use DRM_INFO (Marc Herbert)
Cc: Marc Herbert <marc.herbert@xxxxxxxxx>
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> (v1)
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 5 +++++
drivers/gpu/drm/i915/intel_csr.c | 9 ++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b408ebf..0bee438 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -734,6 +734,10 @@ struct intel_uncore {
#define for_each_fw_domain(domain__, dev_priv__, i__) \
for_each_fw_domain_mask(domain__, FORCEWAKE_ALL, dev_priv__, i__)
+#define CSR_VERSION(major, minor) ((major) << 16 | (minor))
+#define CSR_VERSION_MAJOR(version) ((version) >> 16)
+#define CSR_VERSION_MINOR(version) ((version) & 0xffff)
+
enum csr_state {
FW_UNINITIALIZED = 0,
FW_LOADED,
@@ -744,6 +748,7 @@ struct intel_csr {
const char *fw_path;
uint32_t *dmc_payload;
uint32_t dmc_fw_size;
+ uint32_t version;
uint32_t mmio_count;
uint32_t mmioaddr[8];
uint32_t mmiodata[8];
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index 9e530a7..e620e85 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -321,6 +321,9 @@ static void finish_csr_load(const struct firmware *fw, void *context)
(css_header->header_len * 4));
goto out;
}
+
+ csr->version = css_header->version;
+
readcount += sizeof(struct intel_css_header);
/* Extract Package Header information*/
@@ -402,7 +405,11 @@ static void finish_csr_load(const struct firmware *fw, void *context)
intel_csr_load_program(dev);
fw_loaded = true;
- DRM_DEBUG_KMS("Finished loading %s\n", dev_priv->csr.fw_path);
+ DRM_INFO("Finished loading %s (v%u.%u)\n",
+ dev_priv->csr.fw_path,
+ CSR_VERSION_MAJOR(csr->version),
+ CSR_VERSION_MINOR(csr->version));
+
out:
if (fw_loaded)
intel_runtime_pm_put(dev_priv);
--
2.5.0
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