[Intel-gfx] [PATCH 20/23] drm/i915/dmc: Load DMC on MTL

[Radhakrishna Sripada]

From: Madhumitha Tolakanahalli Pradeep 
<madhumitha.tolakanahalli.prad...@intel.com>

Adding support to load DMC v2.08 on MTL.

Signed-off-by: Madhumitha Tolakanahalli Pradeep 
<madhumitha.tolakanahalli.prad...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c 
b/drivers/gpu/drm/i915/display/intel_dmc.c
index fa9ef591b885..9c4f442fa407 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -52,6 +52,11 @@
 
 #define DISPLAY_VER12_DMC_MAX_FW_SIZE  ICL_DMC_MAX_FW_SIZE
 
+#define MTL_DMC_PATH                   DMC_PATH(mtl, 2, 08)
+#define MTL_DMC_VERSION_REQUIRED       DMC_VERSION(2, 8)
+#define MTL_DMC_MAX_FW_SIZE            0x10000
+MODULE_FIRMWARE(MTL_DMC_PATH);
+
 #define DG2_DMC_PATH                   DMC_PATH(dg2, 2, 06)
 #define DG2_DMC_VERSION_REQUIRED       DMC_VERSION(2, 06)
 MODULE_FIRMWARE(DG2_DMC_PATH);
@@ -827,7 +832,11 @@ void intel_dmc_ucode_init(struct drm_i915_private 
*dev_priv)
         */
        intel_dmc_runtime_pm_get(dev_priv);
 
-       if (IS_DG2(dev_priv)) {
+       if (IS_METEORLAKE(dev_priv)) {
+               dmc->fw_path = MTL_DMC_PATH;
+               dmc->required_version = MTL_DMC_VERSION_REQUIRED;
+               dmc->max_fw_size = MTL_DMC_MAX_FW_SIZE;
+       } else if (IS_DG2(dev_priv)) {
                dmc->fw_path = DG2_DMC_PATH;
                dmc->required_version = DG2_DMC_VERSION_REQUIRED;
                dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
-- 
2.25.1