drm/radeon/kms: add support for ucode loading on trinity (v2)

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / ni.c

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index bae3ec332b45641f88f3c4032264c2e7888520d1..a48ca53fcd6ab80b270fe6a4f766f6b88a5a3605 100644 (file)
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -42,6 +42,8 @@ extern void evergreen_irq_suspend(struct radeon_device *rdev);
 extern int evergreen_mc_init(struct radeon_device *rdev);
 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
+extern void si_rlc_fini(struct radeon_device *rdev);
+extern int si_rlc_init(struct radeon_device *rdev);
 
 #define EVERGREEN_PFP_UCODE_SIZE 1120
 #define EVERGREEN_PM4_UCODE_SIZE 1376
@@ -53,6 +55,8 @@ extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 #define CAYMAN_RLC_UCODE_SIZE 1024
 #define CAYMAN_MC_UCODE_SIZE 6037
 
+#define ARUBA_RLC_UCODE_SIZE 1536
+
 /* Firmware Names */
 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 MODULE_FIRMWARE("radeon/BARTS_me.bin");
@@ -68,6 +72,9 @@ MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
+MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
+MODULE_FIRMWARE("radeon/ARUBA_me.bin");
+MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 
 #define BTC_IO_MC_REGS_SIZE 29
 
@@ -326,6 +333,15 @@ int ni_init_microcode(struct radeon_device *rdev)
                rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
                mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
                break;
+       case CHIP_ARUBA:
+               chip_name = "ARUBA";
+               rlc_chip_name = "ARUBA";
+               /* pfp/me same size as CAYMAN */
+               pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
+               me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
+               rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
+               mc_req_size = 0;
+               break;
        default: BUG();
        }
 
@@ -365,15 +381,18 @@ int ni_init_microcode(struct radeon_device *rdev)
                err = -EINVAL;
        }
 
-       snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
-       err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
-       if (err)
-               goto out;
-       if (rdev->mc_fw->size != mc_req_size) {
-               printk(KERN_ERR
-                      "ni_mc: Bogus length %zu in firmware \"%s\"\n",
-                      rdev->mc_fw->size, fw_name);
-               err = -EINVAL;
+       /* no MC ucode on TN */
+       if (!(rdev->flags & RADEON_IS_IGP)) {
+               snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+               err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
+               if (err)
+                       goto out;
+               if (rdev->mc_fw->size != mc_req_size) {
+                       printk(KERN_ERR
+                              "ni_mc: Bogus length %zu in firmware \"%s\"\n",
+                              rdev->mc_fw->size, fw_name);
+                       err = -EINVAL;
+               }
        }
 out:
        platform_device_unregister(pdev);
@@ -1484,18 +1503,29 @@ static int cayman_startup(struct radeon_device *rdev)
        /* enable pcie gen2 link */
        evergreen_pcie_gen2_enable(rdev);
 
-       if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
-               r = ni_init_microcode(rdev);
+       if (rdev->flags & RADEON_IS_IGP) {
+               if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+                       r = ni_init_microcode(rdev);
+                       if (r) {
+                               DRM_ERROR("Failed to load firmware!\n");
+                               return r;
+                       }
+               }
+       } else {
+               if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
+                       r = ni_init_microcode(rdev);
+                       if (r) {
+                               DRM_ERROR("Failed to load firmware!\n");
+                               return r;
+                       }
+               }
+
+               r = ni_mc_load_microcode(rdev);
                if (r) {
-                       DRM_ERROR("Failed to load firmware!\n");
+                       DRM_ERROR("Failed to load MC firmware!\n");
                        return r;
                }
        }
-       r = ni_mc_load_microcode(rdev);
-       if (r) {
-               DRM_ERROR("Failed to load MC firmware!\n");
-               return r;
-       }
 
        r = r600_vram_scratch_init(rdev);
        if (r)
@@ -1514,6 +1544,15 @@ static int cayman_startup(struct radeon_device *rdev)
                dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
        }
 
+       /* allocate rlc buffers */
+       if (rdev->flags & RADEON_IS_IGP) {
+               r = si_rlc_init(rdev);
+               if (r) {
+                       DRM_ERROR("Failed to init rlc BOs!\n");
+                       return r;
+               }
+       }
+
        /* allocate wb buffer */
        r = radeon_wb_init(rdev);
        if (r)
@@ -1698,6 +1737,8 @@ int cayman_init(struct radeon_device *rdev)
                dev_err(rdev->dev, "disabling GPU acceleration\n");
                cayman_cp_fini(rdev);
                r600_irq_fini(rdev);
+               if (rdev->flags & RADEON_IS_IGP)
+                       si_rlc_fini(rdev);
                radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_vm_manager_fini(rdev);
@@ -1709,8 +1750,11 @@ int cayman_init(struct radeon_device *rdev)
        /* Don't start up if the MC ucode is missing.
         * The default clocks and voltages before the MC ucode
         * is loaded are not suffient for advanced operations.
+        *
+        * We can skip this check for TN, because there is no MC
+        * ucode.
         */
-       if (!rdev->mc_fw) {
+       if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
                DRM_ERROR("radeon: MC ucode required for NI+.\n");
                return -EINVAL;
        }
@@ -1723,6 +1767,8 @@ void cayman_fini(struct radeon_device *rdev)
        r600_blit_fini(rdev);
        cayman_cp_fini(rdev);
        r600_irq_fini(rdev);
+       if (rdev->flags & RADEON_IS_IGP)
+               si_rlc_fini(rdev);
        radeon_wb_fini(rdev);
        radeon_vm_manager_fini(rdev);
        r100_ib_fini(rdev);