a6f2f1945b19f7c2fb7745f3e1badf7b7c44a6ae0518c1eea8d6b4df.patch

From aaccee01394d5d21a65f20806cafba3f7fa8c55c Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Wed, 19 May 2021 12:55:44 -0400
Subject: [PATCH] UPSTREAM: drm/amd/display: Add DCN3.1 Yellow Carp support to
 DM

To detect DCN3.1 ASICs and to enable the appropriate number of CRTCs,
pick the right validation paths for display formats and to use the
right DC interfaces.

Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1ebcaebdb51514689daddbc306b0943afa5b0130)
Signed-off-by: Sean Paul <seanpaul@chromium.org>

BUG=b:187300590
TEST=Tested with single/multiple displays, suspend/resume, hotplugs on volteer/trogdor/dedede/zork, build tested on amd64/arm64-generic

Change-Id: I4a41095a3fa6eb73d64f9aafd8b2f54750601a1b
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

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 788491f7290d..14cf450f8a3f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -107,6 +107,10 @@ MODULE_FIRMWARE(FIRMWARE_VANGOGH_DMUB);
 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH_DMUB);
 #define FIRMWARE_BEIGE_GOBY_DMUB "amdgpu/beige_goby_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY_DMUB);
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+#define FIRMWARE_YELLOW_CARP_DMUB "amdgpu/yellow_carp_dmcub.bin"
+MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP_DMUB);
+#endif
 
 #define FIRMWARE_RAVEN_DMCU		"amdgpu/raven_dmcu.bin"
 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
@@ -1122,6 +1126,11 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	case CHIP_VANGOGH:
 		init_data.flags.gpu_vm_support = true;
 		break;
+#endif
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case CHIP_YELLOW_CARP:
+		init_data.flags.gpu_vm_support = true;
+		break;
 #endif
 	default:
 		break;
@@ -1357,6 +1366,9 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
 	case CHIP_DIMGREY_CAVEFISH:
 	case CHIP_BEIGE_GOBY:
 	case CHIP_VANGOGH:
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case CHIP_YELLOW_CARP:
+#endif
 		return 0;
 	case CHIP_NAVI12:
 		fw_name_dmcu = FIRMWARE_NAVI12_DMCU;
@@ -1475,6 +1487,12 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 		dmub_asic = DMUB_ASIC_DCN303;
 		fw_name_dmub = FIRMWARE_BEIGE_GOBY_DMUB;
 		break;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case CHIP_YELLOW_CARP:
+		dmub_asic = DMUB_ASIC_DCN31;
+		fw_name_dmub = FIRMWARE_YELLOW_CARP_DMUB;
+		break;
+#endif
 
 	default:
 		/* ASIC doesn't support DMUB. */
@@ -2169,6 +2187,15 @@ static int dm_resume(void *handle)
 					= 0xffffffff;
 			}
 		}
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+		/*
+		 * Resource allocation happens for link encoders for newer ASIC in
+		 * dc_validate_global_state, so we need to revalidate it.
+		 *
+		 * This shouldn't fail (it passed once before), so warn if it does.
+		 */
+		WARN_ON(dc_validate_global_state(dm->dc, dc_state, false) != DC_OK);
+#endif
 
 		WARN_ON(!dc_commit_state(dm->dc, dc_state));
 
@@ -3788,6 +3815,9 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 	case CHIP_DIMGREY_CAVEFISH:
 	case CHIP_BEIGE_GOBY:
 	case CHIP_VANGOGH:
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case CHIP_YELLOW_CARP:
+#endif
 		if (dcn10_register_irq_handlers(dm->adev)) {
 			DRM_ERROR("DM: Failed to initialize IRQ\n");
 			goto fail;
@@ -3960,6 +3990,13 @@ static int dm_early_init(void *handle)
 		adev->mode_info.num_hpd = 6;
 		adev->mode_info.num_dig = 6;
 		break;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case CHIP_YELLOW_CARP:
+		adev->mode_info.num_crtc = 4;
+		adev->mode_info.num_hpd = 4;
+		adev->mode_info.num_dig = 4;
+		break;
+#endif
 	case CHIP_NAVI14:
 	case CHIP_DIMGREY_CAVEFISH:
 		adev->mode_info.num_crtc = 5;
@@ -4197,6 +4234,9 @@ fill_gfx9_tiling_info_from_device(const struct amdgpu_device *adev,
 	    adev->asic_type == CHIP_NAVY_FLOUNDER ||
 	    adev->asic_type == CHIP_DIMGREY_CAVEFISH ||
 	    adev->asic_type == CHIP_BEIGE_GOBY ||
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	    adev->asic_type == CHIP_YELLOW_CARP ||
+#endif
 	    adev->asic_type == CHIP_VANGOGH)
 		tiling_info->gfx9.num_pkrs = adev->gfx.config.gb_addr_config_fields.num_pkrs;
 }
@@ -4616,6 +4656,7 @@ get_plane_modifiers(const struct amdgpu_device *adev, unsigned int plane_type, u
 		break;
 	case AMDGPU_FAMILY_NV:
 	case AMDGPU_FAMILY_VGH:
+	case AMDGPU_FAMILY_YC:
 		if (adev->asic_type >= CHIP_SIENNA_CICHLID)
 			add_gfx10_3_modifiers(adev, mods, &size, &capacity);
 		else
-- 
2.17.1