]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
drm/amd/display: Enable DCN 4.2.1 in amdgpu_dm
authorMatthew Stewart <matthew.stewart2@amd.com>
Mon, 4 May 2026 21:04:54 +0000 (17:04 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 3 Jun 2026 17:44:09 +0000 (13:44 -0400)
[Why & How]
Add checks for IP version 4.2.1.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

index c5a5e6ca4958a35ef17bba5bbe8e06d8e2647a10..94da226513c0aafc3b3b2e7ce6b88703971e6a2c 100644 (file)
@@ -158,6 +158,9 @@ MODULE_FIRMWARE(FIRMWARE_DCN_401_DMUB);
 #define FIRMWARE_DCN_42_DMUB "amdgpu/dcn_4_2_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_DCN_42_DMUB);
 
+#define FIRMWARE_DCN_42B_DMUB "amdgpu/dcn_4_2_1_dmcub.bin"
+MODULE_FIRMWARE(FIRMWARE_DCN_42B_DMUB);
+
 /**
  * DOC: overview
  *
@@ -1375,6 +1378,7 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
        case IP_VERSION(3, 5, 1):
        case IP_VERSION(3, 6, 0):
        case IP_VERSION(4, 2, 0):
+       case IP_VERSION(4, 2, 1):
                hw_params.ips_sequential_ono = adev->external_rev_id > 0x10;
                hw_params.lower_hbr3_phy_ssc = true;
                break;
@@ -1823,6 +1827,7 @@ static void *dm_dmub_get_vbios_bounding_box(struct amdgpu_device *adev)
                bb_size = sizeof(struct dml2_soc_bb);
                break;
        case IP_VERSION(4, 2, 0):
+       case IP_VERSION(4, 2, 1):
                bb_size = sizeof(struct dml2_soc_bb);
                break;
        default:
@@ -1870,6 +1875,7 @@ static enum dmub_ips_disable_type dm_get_default_ips_mode(
                ret =  DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF;
                break;
        case IP_VERSION(4, 2, 0):
+       case IP_VERSION(4, 2, 1):
                ret =  DMUB_IPS_ENABLE;
                break;
        default:
@@ -2483,6 +2489,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
                case IP_VERSION(3, 6, 0):
                case IP_VERSION(4, 0, 1):
                case IP_VERSION(4, 2, 0):
+               case IP_VERSION(4, 2, 1):
                        return 0;
                default:
                        break;
@@ -2621,6 +2628,9 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
        case IP_VERSION(4, 2, 0):
                dmub_asic = DMUB_ASIC_DCN42;
                break;
+       case IP_VERSION(4, 2, 1):
+               dmub_asic = DMUB_ASIC_DCN42B;
+               break;
        default:
                /* ASIC doesn't support DMUB. */
                return 0;
@@ -5741,6 +5751,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
        case IP_VERSION(3, 6, 0):
        case IP_VERSION(4, 0, 1):
        case IP_VERSION(4, 2, 0):
+       case IP_VERSION(4, 2, 1):
                if (register_outbox_irq_handlers(dm->adev)) {
                        drm_err(adev_to_drm(adev), "DM: Failed to initialize IRQ\n");
                        goto fail;
@@ -5766,6 +5777,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
                case IP_VERSION(3, 6, 0):
                case IP_VERSION(4, 0, 1):
                case IP_VERSION(4, 2, 0):
+               case IP_VERSION(4, 2, 1):
                        psr_feature_enabled = true;
                        break;
                default:
@@ -5784,6 +5796,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
                case IP_VERSION(3, 5, 1):
                case IP_VERSION(3, 6, 0):
                case IP_VERSION(4, 2, 0):
+               case IP_VERSION(4, 2, 1):
                        replay_feature_enabled = true;
                        break;
 
@@ -5945,6 +5958,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
                case IP_VERSION(3, 6, 0):
                case IP_VERSION(4, 0, 1):
                case IP_VERSION(4, 2, 0):
+               case IP_VERSION(4, 2, 1):
                        if (dcn10_register_irq_handlers(dm->adev)) {
                                drm_err(adev_to_drm(adev), "DM: Failed to initialize IRQ\n");
                                goto fail;
@@ -6096,6 +6110,9 @@ static int dm_init_microcode(struct amdgpu_device *adev)
        case IP_VERSION(4, 2, 0):
                fw_name_dmub = FIRMWARE_DCN_42_DMUB;
                break;
+       case IP_VERSION(4, 2, 1):
+               fw_name_dmub = FIRMWARE_DCN_42B_DMUB;
+               break;
        default:
                /* ASIC doesn't support DMUB. */
                return 0;
@@ -6224,6 +6241,7 @@ static int dm_early_init(struct amdgpu_ip_block *ip_block)
                case IP_VERSION(3, 6, 0):
                case IP_VERSION(4, 0, 1):
                case IP_VERSION(4, 2, 0):
+               case IP_VERSION(4, 2, 1):
                        adev->mode_info.num_crtc = 4;
                        adev->mode_info.num_hpd = 4;
                        adev->mode_info.num_dig = 4;
@@ -12655,7 +12673,8 @@ static int dm_crtc_get_cursor_mode(struct amdgpu_device *adev,
         * as previous DCN generations, so enable native mode on DCN401/420
         */
        if (amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 0, 1) ||
-           amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 0)) {
+           amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 0) ||
+           amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 1)) {
                *cursor_mode = DM_CURSOR_NATIVE_MODE;
                return 0;
        }
@@ -13091,9 +13110,11 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
                        continue;
 
                /* Check if rotation or scaling is enabled on DCN401 */
-               if ((drm_plane_mask(crtc->cursor) & new_crtc_state->plane_mask) &&
-                   (amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 0) ||
-                   amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 0, 1))) {
+               if ((drm_plane_mask(crtc->cursor) &
+                    new_crtc_state->plane_mask) &&
+                   (amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 1) ||
+                    amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 2, 0) ||
+                    amdgpu_ip_version(adev, DCE_HWIP, 0) == IP_VERSION(4, 0, 1))) {
                        new_cursor_state = drm_atomic_get_new_plane_state(state, crtc->cursor);
 
                        is_rotated = new_cursor_state &&