linux-kernel - [PATCH 5.16 222/227] drm/amdgpu: add utcl2

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Message-Id: <20220221084942.183691096@linuxfoundation.org>
Date:   Mon, 21 Feb 2022 09:50:41 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Aaron Liu <aaron.liu@....com>,
        Huang Rui <ray.huang@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 222/227] drm/amdgpu: add utcl2_harvest to gc 10.3.1

From: Aaron Liu <aaron.liu@....com>

[ Upstream commit a072312f43c33ea02ad88bff3375f650684a6f24 ]

Confirmed with hardware team, there is harvesting for gc 10.3.1.

Signed-off-by: Aaron Liu <aaron.liu@....com>
Reviewed-by: Huang Rui <ray.huang@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
index b4eddf6e98a6a..ff738e9725ee8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
@@ -543,7 +543,9 @@ static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev)
 		adev->gfx.config.max_sh_per_se *
 		adev->gfx.config.max_shader_engines);
 
-	if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 3)) {
+	switch (adev->ip_versions[GC_HWIP][0]) {
+	case IP_VERSION(10, 3, 1):
+	case IP_VERSION(10, 3, 3):
 		/* Get SA disabled bitmap from eFuse setting */
 		efuse_setting = RREG32_SOC15(GC, 0, mmCC_GC_SA_UNIT_DISABLE);
 		efuse_setting &= CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK;
@@ -566,6 +568,9 @@ static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev)
 		disabled_sa = tmp;
 
 		WREG32_SOC15(GC, 0, mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP, disabled_sa);
+		break;
+	default:
+		break;
 	}
 }
 
-- 
2.34.1