[PATCH v3 1/6] drm/amdgpu: add lsdma hw ip definition

[Yifan Zhang]

This patch is to add lsdma hw ip definition.

Signed-off-by: Yifan Zhang <yifan1.zhang at amd.com>
Reviewed-by: Tim Huang <Tim.Huang at amd.com>
Reviewed-by: Lang Yu <lang.yu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c |  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c    | 15 +++++++++++++++
 drivers/gpu/drm/amd/include/amd_shared.h   |  2 ++
 include/uapi/drm/amdgpu_drm.h              |  3 ++-
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 656bc966d476..e05e8f8cf9a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3418,6 +3418,7 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
 		AMD_IP_BLOCK_TYPE_DCE,
 		AMD_IP_BLOCK_TYPE_GFX,
 		AMD_IP_BLOCK_TYPE_SDMA,
+		AMD_IP_BLOCK_TYPE_LSDMA,
 		AMD_IP_BLOCK_TYPE_MES,
 		AMD_IP_BLOCK_TYPE_UVD,
 		AMD_IP_BLOCK_TYPE_VCE,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
index b3630ceaff4c..20519ca90fb5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
@@ -52,6 +52,7 @@ static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {
 	[AMDGPU_HW_IP_VCN_ENC]	=	"enc",
 	[AMDGPU_HW_IP_VCN_JPEG]	=	"jpeg",
 	[AMDGPU_HW_IP_VPE]	=	"vpe",
+	[AMDGPU_HW_IP_LSDMA]	=	"lsdma",
 };
 
 void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index b5ebafd4a3ad..91ec481377fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -215,6 +215,9 @@ static enum amd_ip_block_type
 	case AMDGPU_HW_IP_DMA:
 		type = AMD_IP_BLOCK_TYPE_SDMA;
 		break;
+	case AMDGPU_HW_IP_LSDMA:
+		type = AMD_IP_BLOCK_TYPE_LSDMA;
+		break;
 	case AMDGPU_HW_IP_UVD:
 	case AMDGPU_HW_IP_UVD_ENC:
 		type = AMD_IP_BLOCK_TYPE_UVD;
@@ -438,6 +441,13 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 		ib_start_alignment = 256;
 		ib_size_alignment = 4;
 		break;
+	case AMDGPU_HW_IP_LSDMA:
+		type = AMD_IP_BLOCK_TYPE_LSDMA;
+		if (adev->lsdma.ring.sched.ready)
+			++num_rings;
+		ib_start_alignment = 256;
+		ib_size_alignment = 4;
+		break;
 	case AMDGPU_HW_IP_UVD:
 		type = AMD_IP_BLOCK_TYPE_UVD;
 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
@@ -546,6 +556,10 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 			result->ip_discovery_version =
 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
 			break;
+		case AMD_IP_BLOCK_TYPE_LSDMA:
+			result->ip_discovery_version =
+				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, LSDMA_HWIP, 0));
+			break;
 		case AMD_IP_BLOCK_TYPE_UVD:
 		case AMD_IP_BLOCK_TYPE_VCN:
 		case AMD_IP_BLOCK_TYPE_JPEG:
@@ -679,6 +693,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		switch (type) {
 		case AMD_IP_BLOCK_TYPE_GFX:
 		case AMD_IP_BLOCK_TYPE_VCE:
+		case AMD_IP_BLOCK_TYPE_LSDMA:
 			count = 1;
 			break;
 		case AMD_IP_BLOCK_TYPE_SDMA:
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 579977f6ad52..86a6851db236 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -76,6 +76,7 @@ enum amd_apu_flags {
 * @AMD_IP_BLOCK_TYPE_PSP: Platform Security Processor
 * @AMD_IP_BLOCK_TYPE_DCE: Display and Compositing Engine
 * @AMD_IP_BLOCK_TYPE_GFX: Graphics and Compute Engine
+* @AMD_IP_BLOCK_TYPE_LSDMA: Light System DMA Engine
 * @AMD_IP_BLOCK_TYPE_SDMA: System DMA Engine
 * @AMD_IP_BLOCK_TYPE_UVD: Unified Video Decoder
 * @AMD_IP_BLOCK_TYPE_VCE: Video Compression Engine
@@ -95,6 +96,7 @@ enum amd_ip_block_type {
 	AMD_IP_BLOCK_TYPE_PSP,
 	AMD_IP_BLOCK_TYPE_DCE,
 	AMD_IP_BLOCK_TYPE_GFX,
+	AMD_IP_BLOCK_TYPE_LSDMA,
 	AMD_IP_BLOCK_TYPE_SDMA,
 	AMD_IP_BLOCK_TYPE_UVD,
 	AMD_IP_BLOCK_TYPE_VCE,
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index ad21c613fec8..8edae0f56bdd 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -595,7 +595,8 @@ struct drm_amdgpu_gem_va {
 #define AMDGPU_HW_IP_VCN_ENC      7
 #define AMDGPU_HW_IP_VCN_JPEG     8
 #define AMDGPU_HW_IP_VPE          9
-#define AMDGPU_HW_IP_NUM          10
+#define AMDGPU_HW_IP_LSDMA        10
+#define AMDGPU_HW_IP_NUM          11
 
 #define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
 
-- 
2.37.3