On Thu, Feb 22, 2024 at 02:56:33PM +0200, Vinod Govindapillai wrote:
> From: Balasubramani Vivekanandan <balasubramani.vivekanan...@intel.com>
>
> Load DMC for XE2LPD. The value 0x8000 is the maximum payload size for
> any xe2lpd dmc firmware.
>
> Signed-off-by: Balasubramani Vivekanandan
> <balasubramani.vivekanan...@intel.com>
> Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhad...@intel.com>
Please always sign-off whenever sending someone's else patch. Even when there
was no modification on the original patch. The sign-off is needed when handling
the patches.
> ---
> drivers/gpu/drm/i915/display/intel_dmc.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c
> b/drivers/gpu/drm/i915/display/intel_dmc.c
> index 835781624482..54c5909de293 100644
> --- a/drivers/gpu/drm/i915/display/intel_dmc.c
> +++ b/drivers/gpu/drm/i915/display/intel_dmc.c
> @@ -89,10 +89,14 @@ static struct intel_dmc *i915_to_dmc(struct
> drm_i915_private *i915)
> __stringify(major) "_" \
> __stringify(minor) ".bin"
>
> +#define XE2LPD_MAX_FW_SIZE 0x8000
> #define XELPDP_DMC_MAX_FW_SIZE 0x7000
> #define DISPLAY_VER13_DMC_MAX_FW_SIZE 0x20000
> #define DISPLAY_VER12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE
>
> +#define XE2LPD_DMC_PATH DMC_PATH(xe2lpd)
> +MODULE_FIRMWARE(XE2LPD_DMC_PATH);
> +
> #define MTL_DMC_PATH DMC_PATH(mtl)
> MODULE_FIRMWARE(MTL_DMC_PATH);
>
> @@ -987,7 +991,10 @@ void intel_dmc_init(struct drm_i915_private *i915)
>
> INIT_WORK(&dmc->work, dmc_load_work_fn);
>
> - if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
> + if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
> + dmc->fw_path = XE2LPD_DMC_PATH;
> + dmc->max_fw_size = XE2LPD_MAX_FW_SIZE;
> + } else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
> dmc->fw_path = MTL_DMC_PATH;
> dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
> } else if (IS_DG2(i915)) {
> --
> 2.34.1
>
