[PATCH 3/3] drm/radeon: load different smc firmware on some CI variants

[Alex Deucher]

The power tables on some variants require different firmware.
This may fix stability issues on some newer CI parts.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=91880

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/radeon/cik.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ba192a3..20a4bd5 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -53,6 +53,7 @@ MODULE_FIRMWARE("radeon/bonaire_mc.bin");
 MODULE_FIRMWARE("radeon/bonaire_rlc.bin");
 MODULE_FIRMWARE("radeon/bonaire_sdma.bin");
 MODULE_FIRMWARE("radeon/bonaire_smc.bin");
+MODULE_FIRMWARE("radeon/bonaire_k_smc.bin");
 
 MODULE_FIRMWARE("radeon/HAWAII_pfp.bin");
 MODULE_FIRMWARE("radeon/HAWAII_me.bin");
@@ -72,6 +73,7 @@ MODULE_FIRMWARE("radeon/hawaii_mc.bin");
 MODULE_FIRMWARE("radeon/hawaii_rlc.bin");
 MODULE_FIRMWARE("radeon/hawaii_sdma.bin");
 MODULE_FIRMWARE("radeon/hawaii_smc.bin");
+MODULE_FIRMWARE("radeon/hawaii_k_smc.bin");
 
 MODULE_FIRMWARE("radeon/KAVERI_pfp.bin");
 MODULE_FIRMWARE("radeon/KAVERI_me.bin");
@@ -1990,12 +1992,17 @@ static int cik_init_microcode(struct radeon_device *rdev)
 	int new_fw = 0;
 	int err;
 	int num_fw;
+	bool new_smc = false;
 
 	DRM_DEBUG("\n");
 
 	switch (rdev->family) {
 	case CHIP_BONAIRE:
 		chip_name = "BONAIRE";
+		if ((rdev->pdev->revision == 0x80) ||
+		    (rdev->pdev->revision == 0x81) ||
+		    (rdev->pdev->device == 0x665f))
+			new_smc = true;
 		new_chip_name = "bonaire";
 		pfp_req_size = CIK_PFP_UCODE_SIZE * 4;
 		me_req_size = CIK_ME_UCODE_SIZE * 4;
@@ -2010,6 +2017,8 @@ static int cik_init_microcode(struct radeon_device *rdev)
 		break;
 	case CHIP_HAWAII:
 		chip_name = "HAWAII";
+		if (rdev->pdev->revision == 0x80)
+			new_smc = true;
 		new_chip_name = "hawaii";
 		pfp_req_size = CIK_PFP_UCODE_SIZE * 4;
 		me_req_size = CIK_ME_UCODE_SIZE * 4;
@@ -2259,7 +2268,10 @@ static int cik_init_microcode(struct radeon_device *rdev)
 			}
 		}
 
-		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", new_chip_name);
+		if (new_smc)
+			snprintf(fw_name, sizeof(fw_name), "radeon/%s_k_smc.bin", new_chip_name);
+		else
+			snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", new_chip_name);
 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 		if (err) {
 			snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
-- 
2.5.5