drm/i915/adl_p: Load DMC

Load DMC v2.10 on ADLP. The release notes mention that
this version enables few power savings features.

v2: Add DMC_PATH() for ADLP (Lucas)

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210621191415.29823-5-anusha.srivatsa@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 18e0d22..f8789d4 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -45,6 +45,10 @@
 
 #define GEN12_DMC_MAX_FW_SIZE          ICL_DMC_MAX_FW_SIZE
 
+#define ADLP_DMC_PATH                  DMC_PATH(adlp, 2, 10)
+#define ADLP_DMC_VERSION_REQUIRED      DMC_VERSION(2, 10)
+MODULE_FIRMWARE(ADLP_DMC_PATH);
+
 #define ADLS_DMC_PATH                  DMC_PATH(adls, 2, 01)
 #define ADLS_DMC_VERSION_REQUIRED      DMC_VERSION(2, 1)
 MODULE_FIRMWARE(ADLS_DMC_PATH);
@@ -724,7 +728,11 @@ void intel_dmc_ucode_init(struct drm_i915_private *dev_priv)
         */
        intel_dmc_runtime_pm_get(dev_priv);
 
-       if (IS_ALDERLAKE_S(dev_priv)) {
+       if (IS_ALDERLAKE_P(dev_priv)) {
+               dmc->fw_path = ADLP_DMC_PATH;
+               dmc->required_version = ADLP_DMC_VERSION_REQUIRED;
+               dmc->max_fw_size = GEN12_DMC_MAX_FW_SIZE;
+       } else if (IS_ALDERLAKE_S(dev_priv)) {
                dmc->fw_path = ADLS_DMC_PATH;
                dmc->required_version = ADLS_DMC_VERSION_REQUIRED;
                dmc->max_fw_size = GEN12_DMC_MAX_FW_SIZE;