From 330f5c56203e7c88b99dc026cbf2bdeb908a486b Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Fri, 16 Sep 2022 00:21:50 +0800
Subject: drm/amdgpu: add helper to init rlc firmware
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 04fa38cce6e02be4362cd889780d58ec275c4d26
Patch-mainline: v6.0
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 jsc#PED-2849

To initialzie rlc firmware according to rlc
firmware header version

v2: squash in backwards compat fix

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c | 35 +++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h |  4 ++-
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
index 0c262afbc7ca..e23f6192c50e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c
@@ -501,3 +501,38 @@ static void amdgpu_gfx_rlc_init_microcode_v2_4(struct amdgpu_device *adev)
 		}
 	}
 }
+
+int amdgpu_gfx_rlc_init_microcode(struct amdgpu_device *adev,
+				  uint16_t version_major,
+				  uint16_t version_minor)
+{
+	int err;
+
+	if (version_major < 2) {
+		/* only support rlc_hdr v2.x and onwards */
+		dev_err(adev->dev, "unsupported rlc fw hdr\n");
+		return -EINVAL;
+	}
+
+	/* is_rlc_v2_1 is still used in APU code path */
+	if (version_major == 2 && version_minor == 1)
+		adev->gfx.rlc.is_rlc_v2_1 = true;
+
+	if (version_minor >= 0) {
+		err = amdgpu_gfx_rlc_init_microcode_v2_0(adev);
+		if (err) {
+			dev_err(adev->dev, "fail to init rlc v2_0 microcode\n");
+			return err;
+		}
+	}
+	if (version_minor >= 1)
+		amdgpu_gfx_rlc_init_microcode_v2_1(adev);
+	if (version_minor >= 2)
+		amdgpu_gfx_rlc_init_microcode_v2_2(adev);
+	if (version_minor == 3)
+		amdgpu_gfx_rlc_init_microcode_v2_3(adev);
+	if (version_minor == 4)
+		amdgpu_gfx_rlc_init_microcode_v2_4(adev);
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
index 03ac36b2c2cf..23f060db9255 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
@@ -267,5 +267,7 @@ int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev);
 int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev);
 void amdgpu_gfx_rlc_setup_cp_table(struct amdgpu_device *adev);
 void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
-
+int amdgpu_gfx_rlc_init_microcode(struct amdgpu_device *adev,
+				  uint16_t version_major,
+				  uint16_t version_minor);
 #endif
-- 
2.38.1