On ti, 2015-10-27 at 14:46 +0200, Mika Kuoppala wrote:
> From: Damien Lespiau <damien.lesp...@intel.com>
>
> 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.herb...@intel.com>
> Signed-off-by: Damien Lespiau <damien.lesp...@intel.com> (v1)
> Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com>
Reviewed-by: Imre Deak <imre.d...@intel.com>
> ---
> 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);
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