> -----Original Message-----
> From: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>
> Sent: Friday, May 1, 2020 10:37 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>; Srivatsa, Anusha
> <anusha.srivatsa@xxxxxxxxx>
> Subject: [PATCH 04/23] drm/i915/rkl: Load DMC firmware for Rocket Lake
>
> Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_csr.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_csr.c
> b/drivers/gpu/drm/i915/display/intel_csr.c
> index 3112572cfb7d..319932b03e88 100644
> --- a/drivers/gpu/drm/i915/display/intel_csr.c
> +++ b/drivers/gpu/drm/i915/display/intel_csr.c
> @@ -40,6 +40,10 @@
>
> #define GEN12_CSR_MAX_FW_SIZE ICL_CSR_MAX_FW_SIZE
>
> +#define RKL_CSR_PATH "i915/rkl_dmc_ver2_01.bin"
> +#define RKL_CSR_VERSION_REQUIRED CSR_VERSION(2, 1)
> +MODULE_FIRMWARE(RKL_CSR_PATH);
> +
> #define TGL_CSR_PATH "i915/tgl_dmc_ver2_06.bin"
> #define TGL_CSR_VERSION_REQUIRED CSR_VERSION(2, 6)
> #define TGL_CSR_MAX_FW_SIZE 0x6000
> @@ -682,7 +686,11 @@ void intel_csr_ucode_init(struct drm_i915_private
> *dev_priv)
> */
> intel_csr_runtime_pm_get(dev_priv);
>
> - if (INTEL_GEN(dev_priv) >= 12) {
> + if (IS_ROCKETLAKE(dev_priv)) {
> + csr->fw_path = RKL_CSR_PATH;
> + csr->required_version = RKL_CSR_VERSION_REQUIRED;
> + csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
> + } else 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 */
> --
> 2.24.1
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