The big if ladder clutters intel_dmc_init(). Split it out to a separate
function.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc.c | 96 +++++++++++++-----------
 1 file changed, 54 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c 
b/drivers/gpu/drm/i915/display/intel_dmc.c
index ee5db1aafd50..740c05ce83cc 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -142,6 +142,59 @@ MODULE_FIRMWARE(SKL_DMC_PATH);
 #define BXT_DMC_MAX_FW_SIZE            0x3000
 MODULE_FIRMWARE(BXT_DMC_PATH);
 
+static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 
*size)
+{
+       const char *fw_path = NULL;
+       u32 max_fw_size = 0;
+
+       if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
+               fw_path = XE2LPD_DMC_PATH;
+               max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
+       } else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
+               fw_path = MTL_DMC_PATH;
+               max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
+       } else if (IS_DG2(i915)) {
+               fw_path = DG2_DMC_PATH;
+               max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
+       } else if (IS_ALDERLAKE_P(i915)) {
+               fw_path = ADLP_DMC_PATH;
+               max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
+       } else if (IS_ALDERLAKE_S(i915)) {
+               fw_path = ADLS_DMC_PATH;
+               max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+       } else if (IS_DG1(i915)) {
+               fw_path = DG1_DMC_PATH;
+               max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+       } else if (IS_ROCKETLAKE(i915)) {
+               fw_path = RKL_DMC_PATH;
+               max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+       } else if (IS_TIGERLAKE(i915)) {
+               fw_path = TGL_DMC_PATH;
+               max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+       } else if (DISPLAY_VER(i915) == 11) {
+               fw_path = ICL_DMC_PATH;
+               max_fw_size = ICL_DMC_MAX_FW_SIZE;
+       } else if (IS_GEMINILAKE(i915)) {
+               fw_path = GLK_DMC_PATH;
+               max_fw_size = GLK_DMC_MAX_FW_SIZE;
+       } else if (IS_KABYLAKE(i915) ||
+                  IS_COFFEELAKE(i915) ||
+                  IS_COMETLAKE(i915)) {
+               fw_path = KBL_DMC_PATH;
+               max_fw_size = KBL_DMC_MAX_FW_SIZE;
+       } else if (IS_SKYLAKE(i915)) {
+               fw_path = SKL_DMC_PATH;
+               max_fw_size = SKL_DMC_MAX_FW_SIZE;
+       } else if (IS_BROXTON(i915)) {
+               fw_path = BXT_DMC_PATH;
+               max_fw_size = BXT_DMC_MAX_FW_SIZE;
+       }
+
+       *size = max_fw_size;
+
+       return fw_path;
+}
+
 #define DMC_DEFAULT_FW_OFFSET          0xFFFFFFFF
 #define PACKAGE_MAX_FW_INFO_ENTRIES    20
 #define PACKAGE_V2_MAX_FW_INFO_ENTRIES 32
@@ -1007,48 +1060,7 @@ void intel_dmc_init(struct drm_i915_private *i915)
 
        INIT_WORK(&dmc->work, dmc_load_work_fn);
 
-       if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
-               dmc->fw_path = XE2LPD_DMC_PATH;
-               dmc->max_fw_size = XE2LPD_DMC_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)) {
-               dmc->fw_path = DG2_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
-       } else if (IS_ALDERLAKE_P(i915)) {
-               dmc->fw_path = ADLP_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
-       } else if (IS_ALDERLAKE_S(i915)) {
-               dmc->fw_path = ADLS_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-       } else if (IS_DG1(i915)) {
-               dmc->fw_path = DG1_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-       } else if (IS_ROCKETLAKE(i915)) {
-               dmc->fw_path = RKL_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-       } else if (IS_TIGERLAKE(i915)) {
-               dmc->fw_path = TGL_DMC_PATH;
-               dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-       } else if (DISPLAY_VER(i915) == 11) {
-               dmc->fw_path = ICL_DMC_PATH;
-               dmc->max_fw_size = ICL_DMC_MAX_FW_SIZE;
-       } else if (IS_GEMINILAKE(i915)) {
-               dmc->fw_path = GLK_DMC_PATH;
-               dmc->max_fw_size = GLK_DMC_MAX_FW_SIZE;
-       } else if (IS_KABYLAKE(i915) ||
-                  IS_COFFEELAKE(i915) ||
-                  IS_COMETLAKE(i915)) {
-               dmc->fw_path = KBL_DMC_PATH;
-               dmc->max_fw_size = KBL_DMC_MAX_FW_SIZE;
-       } else if (IS_SKYLAKE(i915)) {
-               dmc->fw_path = SKL_DMC_PATH;
-               dmc->max_fw_size = SKL_DMC_MAX_FW_SIZE;
-       } else if (IS_BROXTON(i915)) {
-               dmc->fw_path = BXT_DMC_PATH;
-               dmc->max_fw_size = BXT_DMC_MAX_FW_SIZE;
-       }
+       dmc->fw_path = dmc_firmware_default(i915, &dmc->max_fw_size);
 
        if (i915->params.dmc_firmware_path) {
                if (strlen(i915->params.dmc_firmware_path) == 0) {
-- 
2.39.2

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