drm/radeon: update smc firmware selection for SI

Use the appropriate smc firmware for each chip revision.
Using the wrong one can cause stability issues.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index ad4d7b8..e8a38d2 100644 (file)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -50,7 +50,6 @@ MODULE_FIRMWARE("radeon/tahiti_ce.bin");
 MODULE_FIRMWARE("radeon/tahiti_mc.bin");
 MODULE_FIRMWARE("radeon/tahiti_rlc.bin");
 MODULE_FIRMWARE("radeon/tahiti_smc.bin");
-MODULE_FIRMWARE("radeon/tahiti_k_smc.bin");
 
 MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
@@ -1657,9 +1656,6 @@ static int si_init_microcode(struct radeon_device *rdev)
        switch (rdev->family) {
        case CHIP_TAHITI:
                chip_name = "TAHITI";
-               /* XXX: figure out which Tahitis need the new ucode */
-               if (0)
-                       new_smc = true;
                new_chip_name = "tahiti";
                pfp_req_size = SI_PFP_UCODE_SIZE * 4;
                me_req_size = SI_PM4_UCODE_SIZE * 4;
@@ -1671,12 +1667,9 @@ static int si_init_microcode(struct radeon_device *rdev)
                break;
        case CHIP_PITCAIRN:
                chip_name = "PITCAIRN";
-               if ((rdev->pdev->revision == 0x81) ||
-                   (rdev->pdev->device == 0x6810) ||
-                   (rdev->pdev->device == 0x6811) ||
-                   (rdev->pdev->device == 0x6816) ||
-                   (rdev->pdev->device == 0x6817) ||
-                   (rdev->pdev->device == 0x6806))
+               if ((rdev->pdev->revision == 0x81) &&
+                   ((rdev->pdev->device == 0x6810) ||
+                    (rdev->pdev->device == 0x6811)))
                        new_smc = true;
                new_chip_name = "pitcairn";
                pfp_req_size = SI_PFP_UCODE_SIZE * 4;
@@ -1689,15 +1682,15 @@ static int si_init_microcode(struct radeon_device *rdev)
                break;
        case CHIP_VERDE:
                chip_name = "VERDE";
-               if ((rdev->pdev->revision == 0x81) ||
-                   (rdev->pdev->revision == 0x83) ||
-                   (rdev->pdev->revision == 0x87) ||
-                   (rdev->pdev->device == 0x6820) ||
-                   (rdev->pdev->device == 0x6821) ||
-                   (rdev->pdev->device == 0x6822) ||
-                   (rdev->pdev->device == 0x6823) ||
-                   (rdev->pdev->device == 0x682A) ||
-                   (rdev->pdev->device == 0x682B))
+               if (((rdev->pdev->device == 0x6820) &&
+                    ((rdev->pdev->revision == 0x81) ||
+                     (rdev->pdev->revision == 0x83))) ||
+                   ((rdev->pdev->device == 0x6821) &&
+                    ((rdev->pdev->revision == 0x83) ||
+                     (rdev->pdev->revision == 0x87))) ||
+                   ((rdev->pdev->revision == 0x87) &&
+                    ((rdev->pdev->device == 0x6823) ||
+                     (rdev->pdev->device == 0x682b))))
                        new_smc = true;
                new_chip_name = "verde";
                pfp_req_size = SI_PFP_UCODE_SIZE * 4;
@@ -1710,13 +1703,13 @@ static int si_init_microcode(struct radeon_device *rdev)
                break;
        case CHIP_OLAND:
                chip_name = "OLAND";
-               if ((rdev->pdev->revision == 0xC7) ||
-                   (rdev->pdev->revision == 0x80) ||
-                   (rdev->pdev->revision == 0x81) ||
-                   (rdev->pdev->revision == 0x83) ||
-                   (rdev->pdev->revision == 0x87) ||
-                   (rdev->pdev->device == 0x6604) ||
-                   (rdev->pdev->device == 0x6605))
+               if (((rdev->pdev->revision == 0x81) &&
+                    ((rdev->pdev->device == 0x6600) ||
+                     (rdev->pdev->device == 0x6604) ||
+                     (rdev->pdev->device == 0x6605) ||
+                     (rdev->pdev->device == 0x6610))) ||
+                   ((rdev->pdev->revision == 0x83) &&
+                    (rdev->pdev->device == 0x6610)))
                        new_smc = true;
                new_chip_name = "oland";
                pfp_req_size = SI_PFP_UCODE_SIZE * 4;
@@ -1728,12 +1721,15 @@ static int si_init_microcode(struct radeon_device *rdev)
                break;
        case CHIP_HAINAN:
                chip_name = "HAINAN";
-               if ((rdev->pdev->revision == 0x81) ||
-                   (rdev->pdev->revision == 0x83) ||
-                   (rdev->pdev->revision == 0xC3) ||
-                   (rdev->pdev->device == 0x6664) ||
-                   (rdev->pdev->device == 0x6665) ||
-                   (rdev->pdev->device == 0x6667))
+               if (((rdev->pdev->revision == 0x81) &&
+                    (rdev->pdev->device == 0x6660)) ||
+                   ((rdev->pdev->revision == 0x83) &&
+                    ((rdev->pdev->device == 0x6660) ||
+                     (rdev->pdev->device == 0x6663) ||
+                     (rdev->pdev->device == 0x6665) ||
+                     (rdev->pdev->device == 0x6667))) ||
+                   ((rdev->pdev->revision == 0xc3) &&
+                    (rdev->pdev->device == 0x6665)))
                        new_smc = true;
                new_chip_name = "hainan";
                pfp_req_size = SI_PFP_UCODE_SIZE * 4;