commit 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043
author Alex Deucher <alexander.deucher@amd.com> Fri Apr 12 16:42:42 2013 -0400
committer Alex Deucher <alexander.deucher@amd.com> Thu Jun 27 19:16:10 2013 -0400
tree aa08ae87050d5e80c883367ce13fabf7bd32a742
parent d22b7e406a4032f9208207d80c1d515267b73358

drm/radeon/kms: add dpm support for cayman (v5)

This adds dpm support for cayman asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
- power containment
- shader power scaling

Set radeon.dpm=1 to enable.

v2: fold in tdp fix
v3: fix indentation
v4: fix 64 bit div
v5: attempt to fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>

drivers/gpu/drm/radeon/ni.c

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 7407762..ad65143 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -194,6 +194,7 @@
 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
+MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
@@ -734,6 +735,7 @@
 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
+		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 		break;
 	case CHIP_ARUBA:
 		chip_name = "ARUBA";
@@ -797,7 +799,7 @@
 		}
 	}
 
-	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAICOS)) {
+	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 		err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
 		if (err)