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From 427924662b7123cdadb598bc0a71d1e5223af8da Mon Sep 17 00:00:00 2001
From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Thu, 10 Feb 2022 14:43:50 -0500
Subject: drm/amdgpu: add support for sdma 5.2.6
Git-commit: 93afe1583758105ec390ed130681bc7b70371b7b
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

This patch adds support for sdma 5.2.6.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |  1 +
 drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c        | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 3501ade93f44..4195b831ede3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1458,6 +1458,7 @@ static int amdgpu_discovery_set_sdma_ip_blocks(struct amdgpu_device *adev)
 	case IP_VERSION(5, 2, 2):
 	case IP_VERSION(5, 2, 4):
 	case IP_VERSION(5, 2, 5):
+	case IP_VERSION(5, 2, 6):
 	case IP_VERSION(5, 2, 3):
 	case IP_VERSION(5, 2, 1):
 	case IP_VERSION(5, 2, 7):
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 0ca365006399..dcc622e18d45 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -51,6 +51,7 @@ MODULE_FIRMWARE("amdgpu/beige_goby_sdma.bin");
 
 MODULE_FIRMWARE("amdgpu/vangogh_sdma.bin");
 MODULE_FIRMWARE("amdgpu/yellow_carp_sdma.bin");
+MODULE_FIRMWARE("amdgpu/sdma_5_2_6.bin");
 MODULE_FIRMWARE("amdgpu/sdma_5_2_7.bin");
 
 #define SDMA1_REG_OFFSET 0x600
@@ -156,10 +157,12 @@ static int sdma_v5_2_init_microcode(struct amdgpu_device *adev)
 	case IP_VERSION(5, 2, 3):
 		chip_name = "yellow_carp_sdma";
 		break;
+	case IP_VERSION(5, 2, 6):
+		chip_name = "sdma_5_2_6";
+		break;
 	case IP_VERSION(5, 2, 7):
 		chip_name = "sdma_5_2_7";
 		break;
-
 	default:
 		BUG();
 	}
@@ -1622,6 +1625,7 @@ static int sdma_v5_2_set_clockgating_state(void *handle,
 	case IP_VERSION(5, 2, 1):
 	case IP_VERSION(5, 2, 4):
 	case IP_VERSION(5, 2, 5):
+	case IP_VERSION(5, 2, 6):
 	case IP_VERSION(5, 2, 3):
 		sdma_v5_2_update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
@@ -1649,6 +1653,11 @@ static void sdma_v5_2_get_clockgating_state(void *handle, u32 *flags)
 	if (amdgpu_sriov_vf(adev))
 		*flags = 0;
 
+	/* AMD_CG_SUPPORT_SDMA_MGCG */
+	data = RREG32(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
+	if (!(data & SDMA0_CLK_CTRL__CGCG_EN_OVERRIDE_MASK))
+		*flags |= AMD_CG_SUPPORT_SDMA_MGCG;
+
 	/* AMD_CG_SUPPORT_SDMA_LS */
 	data = RREG32_KIQ(sdma_v5_2_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
 	if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
-- 
2.38.1