[PATCH 03/12] drm/amdgpu: Add VCN logical to physical id mapping

[Alex Deucher]

From: Lijo Lazar <lijo.lazar at amd.com>

Add mappings for logical to physical id for VCN/JPEG 4.0.3

v2: make local function static (Alex)

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Acked-by: Leo Liu <leo.liu at amd.com>
Tested-by: James Zhu <James.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../drm/amd/amdgpu/aqua_vanjaram_reg_init.c    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
index fdc728f678d7..90fe77db9bee 100644
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
@@ -82,6 +82,21 @@ static int8_t aqua_vanjaram_logical_to_dev_inst(struct amdgpu_device *adev,
 	return dev_inst;
 }
 
+static void aqua_vanjaram_populate_ip_map(struct amdgpu_device *adev,
+					  enum amd_hw_ip_block_type ip_block,
+					  uint32_t inst_mask)
+{
+	int l = 0, i;
+
+	while (inst_mask) {
+		i = ffs(inst_mask) - 1;
+		adev->ip_map.dev_inst[ip_block][l++] = i;
+		inst_mask &= ~(1 << i);
+	}
+	for (; l < HWIP_MAX_INSTANCE; l++)
+		adev->ip_map.dev_inst[ip_block][l] = -1;
+}
+
 void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev)
 {
 	int xcc_mask, sdma_mask;
@@ -108,6 +123,9 @@ void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev)
 	for (; l < HWIP_MAX_INSTANCE; l++)
 		adev->ip_map.dev_inst[SDMA0_HWIP][l] = -1;
 
+	/* This covers both VCN and JPEG, JPEG is only alias of VCN */
+	aqua_vanjaram_populate_ip_map(adev, VCN_HWIP, adev->vcn.inst_mask);
+
 	adev->ip_map.logical_to_dev_inst = aqua_vanjaram_logical_to_dev_inst;
 }
 
-- 
2.40.1