From b6e7d894c3d211b87dd7fde11b2916ecfc20179a Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Tue, 27 Oct 2015 14:46:59 +0200 Subject: [PATCH] drm/i915/skl: Store and print the DMC firmware version we load MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Damien Lespiau (v1) Signed-off-by: Mika Kuoppala Link: http://patchwork.freedesktop.org/patch/msgid/1445950025-5793-1-git-send-email-mika.kuoppala@intel.com Reviewed-by: Imre Deak Tested-by: Daniel Stone # SKL Signed-off-by: Ville Syrjälä --- 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 75ce5d97be5c..c5f36b4f4f16 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 9e530a739354..e620e853efcb 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); -- 2.20.1