drm/amdgpu: re-structue members for ip discovery

This is to prepare for initializing discovery tmr size per
ASIC type

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 38 insertions, 35 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 99e5f474505d..c42b3dccfcb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -765,7 +765,6 @@ struct amdgpu_device {
 	uint8_t				*bios;
 	uint32_t			bios_size;
 	struct amdgpu_bo		*stolen_vga_memory;
-	struct amdgpu_bo		*discovery_memory;
 	uint32_t			bios_scratch_reg_offset;
 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
 
@@ -918,7 +917,9 @@ struct amdgpu_device {
 	struct amdgpu_display_manager dm;
 
 	/* discovery */
-	uint8_t				*discovery;
+	uint8_t				*discovery_bin;
+	uint32_t			discovery_tmr_size;
+	struct amdgpu_bo		*discovery_memory;
 
 	/* mes */
 	bool                            enable_mes;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 43bb22ad8add..b5d6274952a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -133,9 +133,10 @@ static int hw_id_map[MAX_HWIP] = {
 static int amdgpu_discovery_read_binary(struct amdgpu_device *adev, uint8_t *binary)
 {
 	uint64_t vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;
-	uint64_t pos = vram_size - DISCOVERY_TMR_SIZE;
+	uint64_t pos = vram_size - adev->discovery_tmr_size;
 
-	amdgpu_device_vram_access(adev, pos, (uint32_t *)binary, DISCOVERY_TMR_SIZE, false);
+	amdgpu_device_vram_access(adev, pos, (uint32_t *)binary,
+				  adev->discovery_tmr_size, false);
 	return 0;
 }
 
@@ -167,17 +168,18 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 	uint16_t checksum;
 	int r;
 
-	adev->discovery = kzalloc(DISCOVERY_TMR_SIZE, GFP_KERNEL);
-	if (!adev->discovery)
+	adev->discovery_tmr_size = DISCOVERY_TMR_SIZE;
+	adev->discovery_bin = kzalloc(adev->discovery_tmr_size, GFP_KERNEL);
+	if (!adev->discovery_bin)
 		return -ENOMEM;
 
-	r = amdgpu_discovery_read_binary(adev, adev->discovery);
+	r = amdgpu_discovery_read_binary(adev, adev->discovery_bin);
 	if (r) {
 		DRM_ERROR("failed to read ip discovery binary\n");
 		goto out;
 	}
 
-	bhdr = (struct binary_header *)adev->discovery;
+	bhdr = (struct binary_header *)adev->discovery_bin;
 
 	if (le32_to_cpu(bhdr->binary_signature) != BINARY_SIGNATURE) {
 		DRM_ERROR("invalid ip discovery binary signature\n");
@@ -190,7 +192,7 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 	size = bhdr->binary_size - offset;
 	checksum = bhdr->binary_checksum;
 
-	if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+	if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
 					      size, checksum)) {
 		DRM_ERROR("invalid ip discovery binary checksum\n");
 		r = -EINVAL;
@@ -200,7 +202,7 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 	info = &bhdr->table_list[IP_DISCOVERY];
 	offset = le16_to_cpu(info->offset);
 	checksum = le16_to_cpu(info->checksum);
-	ihdr = (struct ip_discovery_header *)(adev->discovery + offset);
+	ihdr = (struct ip_discovery_header *)(adev->discovery_bin + offset);
 
 	if (le32_to_cpu(ihdr->signature) != DISCOVERY_TABLE_SIGNATURE) {
 		DRM_ERROR("invalid ip discovery data table signature\n");
@@ -208,7 +210,7 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 		goto out;
 	}
 
-	if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+	if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
 					      ihdr->size, checksum)) {
 		DRM_ERROR("invalid ip discovery data table checksum\n");
 		r = -EINVAL;
@@ -218,9 +220,9 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 	info = &bhdr->table_list[GC];
 	offset = le16_to_cpu(info->offset);
 	checksum = le16_to_cpu(info->checksum);
-	ghdr = (struct gpu_info_header *)(adev->discovery + offset);
+	ghdr = (struct gpu_info_header *)(adev->discovery_bin + offset);
 
-	if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+	if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
 				              ghdr->size, checksum)) {
 		DRM_ERROR("invalid gc data table checksum\n");
 		r = -EINVAL;
@@ -230,16 +232,16 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
 	return 0;
 
 out:
-	kfree(adev->discovery);
-	adev->discovery = NULL;
+	kfree(adev->discovery_bin);
+	adev->discovery_bin = NULL;
 
 	return r;
 }
 
 void amdgpu_discovery_fini(struct amdgpu_device *adev)
 {
-	kfree(adev->discovery);
-	adev->discovery = NULL;
+	kfree(adev->discovery_bin);
+	adev->discovery_bin = NULL;
 }
 
 int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
@@ -263,8 +265,8 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
 		return r;
 	}
 
-	bhdr = (struct binary_header *)adev->discovery;
-	ihdr = (struct ip_discovery_header *)(adev->discovery +
+	bhdr = (struct binary_header *)adev->discovery_bin;
+	ihdr = (struct ip_discovery_header *)(adev->discovery_bin +
 			le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
 	num_dies = le16_to_cpu(ihdr->num_dies);
 
@@ -272,7 +274,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
 
 	for (i = 0; i < num_dies; i++) {
 		die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
-		dhdr = (struct die_header *)(adev->discovery + die_offset);
+		dhdr = (struct die_header *)(adev->discovery_bin + die_offset);
 		num_ips = le16_to_cpu(dhdr->num_ips);
 		ip_offset = die_offset + sizeof(*dhdr);
 
@@ -286,7 +288,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
 				le16_to_cpu(dhdr->die_id), num_ips);
 
 		for (j = 0; j < num_ips; j++) {
-			ip = (struct ip *)(adev->discovery + ip_offset);
+			ip = (struct ip *)(adev->discovery_bin + ip_offset);
 			num_base_address = ip->num_base_address;
 
 			DRM_DEBUG("%s(%d) #%d v%d.%d.%d:\n",
@@ -335,24 +337,24 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
 	uint16_t num_ips;
 	int i, j;
 
-	if (!adev->discovery) {
+	if (!adev->discovery_bin) {
 		DRM_ERROR("ip discovery uninitialized\n");
 		return -EINVAL;
 	}
 
-	bhdr = (struct binary_header *)adev->discovery;
-	ihdr = (struct ip_discovery_header *)(adev->discovery +
+	bhdr = (struct binary_header *)adev->discovery_bin;
+	ihdr = (struct ip_discovery_header *)(adev->discovery_bin +
 			le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
 	num_dies = le16_to_cpu(ihdr->num_dies);
 
 	for (i = 0; i < num_dies; i++) {
 		die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
-		dhdr = (struct die_header *)(adev->discovery + die_offset);
+		dhdr = (struct die_header *)(adev->discovery_bin + die_offset);
 		num_ips = le16_to_cpu(dhdr->num_ips);
 		ip_offset = die_offset + sizeof(*dhdr);
 
 		for (j = 0; j < num_ips; j++) {
-			ip = (struct ip *)(adev->discovery + ip_offset);
+			ip = (struct ip *)(adev->discovery_bin + ip_offset);
 
 			if (le16_to_cpu(ip->hw_id) == hw_id) {
 				if (major)
@@ -375,13 +377,13 @@ int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
 	struct binary_header *bhdr;
 	struct gc_info_v1_0 *gc_info;
 
-	if (!adev->discovery) {
+	if (!adev->discovery_bin) {
 		DRM_ERROR("ip discovery uninitialized\n");
 		return -EINVAL;
 	}
 
-	bhdr = (struct binary_header *)adev->discovery;
-	gc_info = (struct gc_info_v1_0 *)(adev->discovery +
+	bhdr = (struct binary_header *)adev->discovery_bin;
+	gc_info = (struct gc_info_v1_0 *)(adev->discovery_bin +
 			le16_to_cpu(bhdr->table_list[GC].offset));
 
 	adev->gfx.config.max_shader_engines = le32_to_cpu(gc_info->gc_num_se);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index ea0199a8f9c9..085d7c238163 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1958,15 +1958,15 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 		return r;
 
 	/*
-	 * reserve one TMR (64K) memory at the top of VRAM which holds
+	 * reserve TMR memory at the top of VRAM which holds
 	 * IP Discovery data and is protected by PSP.
 	 */
 	r = amdgpu_bo_create_kernel_at(adev,
-				       adev->gmc.real_vram_size - DISCOVERY_TMR_SIZE,
-				       DISCOVERY_TMR_SIZE,
-				       AMDGPU_GEM_DOMAIN_VRAM,
-				       &adev->discovery_memory,
-				       NULL);
+			adev->gmc.real_vram_size - adev->discovery_tmr_size,
+			adev->discovery_tmr_size,
+			AMDGPU_GEM_DOMAIN_VRAM,
+			&adev->discovery_memory,
+			NULL);
 	if (r)
 		return r;