drm/radeon/kms: add dpm support for evergreen (v4)
This adds dpm support for evergreen asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
Set radeon.dpm=1 to enable.
v2: reduce stack usage, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index a27d746..2d3655f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -70,15 +70,19 @@
MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
MODULE_FIRMWARE("radeon/CEDAR_me.bin");
MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
+MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
MODULE_FIRMWARE("radeon/PALM_pfp.bin");
MODULE_FIRMWARE("radeon/PALM_me.bin");
MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
@@ -2214,19 +2218,27 @@
case CHIP_CEDAR:
chip_name = "CEDAR";
rlc_chip_name = "CEDAR";
+ smc_chip_name = "CEDAR";
+ smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
break;
case CHIP_REDWOOD:
chip_name = "REDWOOD";
rlc_chip_name = "REDWOOD";
+ smc_chip_name = "REDWOOD";
+ smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
break;
case CHIP_JUNIPER:
chip_name = "JUNIPER";
rlc_chip_name = "JUNIPER";
+ smc_chip_name = "JUNIPER";
+ smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
break;
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
chip_name = "CYPRESS";
rlc_chip_name = "CYPRESS";
+ smc_chip_name = "CYPRESS";
+ smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
break;
case CHIP_PALM:
chip_name = "PALM";
@@ -2293,7 +2305,7 @@
err = -EINVAL;
}
- if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) {
+ if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
if (err)