drm/amdgpu: both support PCO FP5/AM4 rlc fw

For Picasso && AM4 SOCKET board, we use picasso_rlc_am4.bin
For Picasso && FP5 SOCKET board, we use picasso_rlc.bin

Judgment method:
PCO AM4: revision >= 0xC8 && revision <= 0xCF
         or revision >= 0xD8 && revision <= 0xDF
otherwise is PCO FP5

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index af8ccb014be3..f62d570a81a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -86,6 +86,7 @@ MODULE_FIRMWARE("amdgpu/picasso_me.bin");
 MODULE_FIRMWARE("amdgpu/picasso_mec.bin");
 MODULE_FIRMWARE("amdgpu/picasso_mec2.bin");
 MODULE_FIRMWARE("amdgpu/picasso_rlc.bin");
+MODULE_FIRMWARE("amdgpu/picasso_rlc_am4.bin");
 
 MODULE_FIRMWARE("amdgpu/raven2_ce.bin");
 MODULE_FIRMWARE("amdgpu/raven2_pfp.bin");
@@ -645,7 +646,20 @@ static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)
         adev->gfx.ce_fw_version = le32_to_cpu(cp_hdr->header.ucode_version);
         adev->gfx.ce_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version);
 
-        snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
+        /*
+         * For Picasso && AM4 SOCKET board, we use picasso_rlc_am4.bin
+         * instead of picasso_rlc.bin.
+         * Judgment method:
+         * PCO AM4: revision >= 0xC8 && revision <= 0xCF
+         *          or revision >= 0xD8 && revision <= 0xDF
+         * otherwise is PCO FP5
+         */
+        if (!strcmp(chip_name, "picasso") &&
+                (((adev->pdev->revision >= 0xC8) && (adev->pdev->revision <= 0xCF)) ||
+                ((adev->pdev->revision >= 0xD8) && (adev->pdev->revision <= 0xDF))))
+                snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc_am4.bin", chip_name);
+        else
+                snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
         err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
         if (err)
                 goto out;