[PATCH 13/13] drm/amd/display: Basic support with device ID

[Jasdeep Dhillon]

From: Oliver Logush <oliver.logush at amd.com>

[why]
To get the the cyan_skillfish check working

Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Jasdeep Dhillon <jdhillon at amd.com>
Signed-off-by: Oliver Logush <oliver.logush at amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 24 +++++++++++++++++--
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  2 +-
 .../gpu/drm/amd/display/dc/core/dc_resource.c |  2 +-
 .../gpu/drm/amd/display/include/dal_asic_id.h |  3 ++-
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8f53c9f6b267..f5941e59e5ad 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1014,6 +1014,14 @@ static  void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
 	}
 }
 
+bool is_skillfish_series(struct amdgpu_device *adev)
+{
+	if (adev->asic_type == CHIP_CYAN_SKILLFISH || adev->pdev->revision == 0x143F) {
+		return true;
+	}
+	return false;
+}
+
 static int dm_dmub_hw_init(struct amdgpu_device *adev)
 {
 	const struct dmcub_firmware_header_v1_0 *hdr;
@@ -1049,7 +1057,7 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 		return -EINVAL;
 	}
 
-	if (!has_hw_support) {
+	if (is_skillfish_series(adev)) {
 		DRM_INFO("DMUB unsupported on ASIC\n");
 		return 0;
 	}
@@ -1471,6 +1479,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		default:
 			break;
 		}
+		if (is_skillfish_series(adev)) {
+			init_data.flags.disable_dmcu = true;
+			break;
+		}
 		break;
 	}
 
@@ -1777,7 +1789,6 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
-		return 0;
 	case CHIP_NAVI12:
 		fw_name_dmcu = FIRMWARE_NAVI12_DMCU;
 		break;
@@ -1805,6 +1816,9 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
 		default:
 			break;
 		}
+		if (is_skillfish_series(adev)) {
+			return 0;
+		}
 		DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
 		return -EINVAL;
 	}
@@ -4515,6 +4529,12 @@ static int dm_early_init(void *handle)
 		adev->mode_info.num_dig = 6;
 		break;
 	default:
+	if (is_skillfish_series(adev)) {
+			adev->mode_info.num_crtc = 2;
+			adev->mode_info.num_hpd = 2;
+			adev->mode_info.num_dig = 2;
+			break;
+	}
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 		switch (adev->ip_versions[DCE_HWIP][0]) {
 		case IP_VERSION(2, 0, 2):
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index e35977fda5c1..13875d669acd 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -82,7 +82,7 @@ struct common_irq_params {
 	enum dc_irq_source irq_src;
 	atomic64_t previous_timestamp;
 };
-
+bool is_skillfish_series(struct amdgpu_device *adev);
 /**
  * struct dm_compressor_info - Buffer info used by frame buffer compression
  * @cpu_addr: MMIO cpu addr
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index b36bae4b5bc9..318d381e2910 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -135,7 +135,7 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
 
 	case FAMILY_NV:
 		dc_version = DCN_VERSION_2_0;
-		if (asic_id.chip_id == DEVICE_ID_NV_13FE) {
+		if (asic_id.chip_id == DEVICE_ID_NV_NAVI10_LITE_P_13FE || asic_id.chip_id == DEVICE_ID_NV_NAVI10_LITE_P_143F) {
 			dc_version = DCN_VERSION_2_01;
 			break;
 		}
diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
index e4a2dfacab4c..37ec6343dbd6 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -211,7 +211,8 @@ enum {
 #ifndef ASICREV_IS_GREEN_SARDINE
 #define ASICREV_IS_GREEN_SARDINE(eChipRev) ((eChipRev >= GREEN_SARDINE_A0) && (eChipRev < 0xFF))
 #endif
-#define DEVICE_ID_NV_13FE 0x13FE  // CYAN_SKILLFISH
+#define DEVICE_ID_NV_NAVI10_LITE_P_13FE          0x13FE  // CYAN_SKILLFISH
+#define DEVICE_ID_NV_NAVI10_LITE_P_143F			0x143F 
 #define FAMILY_VGH 144
 #define DEVICE_ID_VGH_163F 0x163F
 #define VANGOGH_A0 0x01
-- 
2.25.1