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jnikulajnikula
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drm/i915/dmc: split out per-platform firmware path selection
The big if ladder clutters intel_dmc_init(). Split it out to a separate function. Reviewed-by: Gustavo Sousa <[email protected]> Acked-by: Lucas De Marchi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/fe3d7b2b18c317a2f924f2023271d38afee3b18a.1713519628.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <[email protected]>
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‎drivers/gpu/drm/i915/display/intel_dmc.c

Lines changed: 54 additions & 42 deletions
Original file line numberDiff line numberDiff line change
@@ -142,6 +142,59 @@ MODULE_FIRMWARE(SKL_DMC_PATH);
142142
#define BXT_DMC_MAX_FW_SIZE 0x3000
143143
MODULE_FIRMWARE(BXT_DMC_PATH);
144144

145+
static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 *size)
146+
{
147+
const char *fw_path = NULL;
148+
u32 max_fw_size = 0;
149+
150+
if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
151+
fw_path = XE2LPD_DMC_PATH;
152+
max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
153+
} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
154+
fw_path = MTL_DMC_PATH;
155+
max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
156+
} else if (IS_DG2(i915)) {
157+
fw_path = DG2_DMC_PATH;
158+
max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
159+
} else if (IS_ALDERLAKE_P(i915)) {
160+
fw_path = ADLP_DMC_PATH;
161+
max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
162+
} else if (IS_ALDERLAKE_S(i915)) {
163+
fw_path = ADLS_DMC_PATH;
164+
max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
165+
} else if (IS_DG1(i915)) {
166+
fw_path = DG1_DMC_PATH;
167+
max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
168+
} else if (IS_ROCKETLAKE(i915)) {
169+
fw_path = RKL_DMC_PATH;
170+
max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
171+
} else if (IS_TIGERLAKE(i915)) {
172+
fw_path = TGL_DMC_PATH;
173+
max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
174+
} else if (DISPLAY_VER(i915) == 11) {
175+
fw_path = ICL_DMC_PATH;
176+
max_fw_size = ICL_DMC_MAX_FW_SIZE;
177+
} else if (IS_GEMINILAKE(i915)) {
178+
fw_path = GLK_DMC_PATH;
179+
max_fw_size = GLK_DMC_MAX_FW_SIZE;
180+
} else if (IS_KABYLAKE(i915) ||
181+
IS_COFFEELAKE(i915) ||
182+
IS_COMETLAKE(i915)) {
183+
fw_path = KBL_DMC_PATH;
184+
max_fw_size = KBL_DMC_MAX_FW_SIZE;
185+
} else if (IS_SKYLAKE(i915)) {
186+
fw_path = SKL_DMC_PATH;
187+
max_fw_size = SKL_DMC_MAX_FW_SIZE;
188+
} else if (IS_BROXTON(i915)) {
189+
fw_path = BXT_DMC_PATH;
190+
max_fw_size = BXT_DMC_MAX_FW_SIZE;
191+
}
192+
193+
*size = max_fw_size;
194+
195+
return fw_path;
196+
}
197+
145198
#define DMC_DEFAULT_FW_OFFSET 0xFFFFFFFF
146199
#define PACKAGE_MAX_FW_INFO_ENTRIES 20
147200
#define PACKAGE_V2_MAX_FW_INFO_ENTRIES 32
@@ -1009,48 +1062,7 @@ void intel_dmc_init(struct drm_i915_private *i915)
10091062

10101063
INIT_WORK(&dmc->work, dmc_load_work_fn);
10111064

1012-
if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
1013-
dmc->fw_path = XE2LPD_DMC_PATH;
1014-
dmc->max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
1015-
} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
1016-
dmc->fw_path = MTL_DMC_PATH;
1017-
dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
1018-
} else if (IS_DG2(i915)) {
1019-
dmc->fw_path = DG2_DMC_PATH;
1020-
dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
1021-
} else if (IS_ALDERLAKE_P(i915)) {
1022-
dmc->fw_path = ADLP_DMC_PATH;
1023-
dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
1024-
} else if (IS_ALDERLAKE_S(i915)) {
1025-
dmc->fw_path = ADLS_DMC_PATH;
1026-
dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
1027-
} else if (IS_DG1(i915)) {
1028-
dmc->fw_path = DG1_DMC_PATH;
1029-
dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
1030-
} else if (IS_ROCKETLAKE(i915)) {
1031-
dmc->fw_path = RKL_DMC_PATH;
1032-
dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
1033-
} else if (IS_TIGERLAKE(i915)) {
1034-
dmc->fw_path = TGL_DMC_PATH;
1035-
dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
1036-
} else if (DISPLAY_VER(i915) == 11) {
1037-
dmc->fw_path = ICL_DMC_PATH;
1038-
dmc->max_fw_size = ICL_DMC_MAX_FW_SIZE;
1039-
} else if (IS_GEMINILAKE(i915)) {
1040-
dmc->fw_path = GLK_DMC_PATH;
1041-
dmc->max_fw_size = GLK_DMC_MAX_FW_SIZE;
1042-
} else if (IS_KABYLAKE(i915) ||
1043-
IS_COFFEELAKE(i915) ||
1044-
IS_COMETLAKE(i915)) {
1045-
dmc->fw_path = KBL_DMC_PATH;
1046-
dmc->max_fw_size = KBL_DMC_MAX_FW_SIZE;
1047-
} else if (IS_SKYLAKE(i915)) {
1048-
dmc->fw_path = SKL_DMC_PATH;
1049-
dmc->max_fw_size = SKL_DMC_MAX_FW_SIZE;
1050-
} else if (IS_BROXTON(i915)) {
1051-
dmc->fw_path = BXT_DMC_PATH;
1052-
dmc->max_fw_size = BXT_DMC_MAX_FW_SIZE;
1053-
}
1065+
dmc->fw_path = dmc_firmware_default(i915, &dmc->max_fw_size);
10541066

10551067
if (i915->params.dmc_firmware_path) {
10561068
if (strlen(i915->params.dmc_firmware_path) == 0) {

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