[Intel-gfx] [PATCH 07/22] drm/i915/dmc: Load DMC on TGL

[Anshuman Gupta]

On 2019-07-12 at 18:09:25 -0700, Lucas De Marchi wrote:
> From: Anusha Srivatsa <anusha.srivatsa at intel.com>
> 
> Add Support to load DMC v2.02 on TGL.
> 
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_csr.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
> index 6ef74531588a..865b987dee8e 100644
> --- a/drivers/gpu/drm/i915/intel_csr.c
> +++ b/drivers/gpu/drm/i915/intel_csr.c
> @@ -39,6 +39,11 @@
>  
>  #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
>  
> +#define TGL_CSR_PATH			"i915/tgl_dmc_ver2_02.bin"
> +#define TGL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 2)
> +#define TGL_CSR_MAX_FW_SIZE		0x6000
> +MODULE_FIRMWARE(TGL_CSR_PATH);
> +
>  #define ICL_CSR_PATH			"i915/icl_dmc_ver1_07.bin"
>  #define ICL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 7)
>  #define ICL_CSR_MAX_FW_SIZE		0x6000
> @@ -674,6 +679,8 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
>  	intel_csr_runtime_pm_get(dev_priv);
>  
>  	if (INTEL_GEN(dev_priv) >= 12) {
> +		csr->fw_path = TGL_CSR_PATH;
> +		csr->required_version = TGL_CSR_VERSION_REQUIRED;
>  		/* Allow to load fw via parameter using the last known size */
>  		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
>  	} else if (IS_GEN(dev_priv, 11)) {
LGTM, one concern about DMC fw minor version.
if this is decided latest upstream version,
I will provide my RB. 

> -- 
> 2.21.0
> 
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