drm/amd: fix compiler error to support older compilers

‘for’ loop initial declarations are only allowed in C99 or C11 mode

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 55a6ebb..fdc728f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
@@ -360,7 +360,7 @@ static int aqua_vanjaram_xcp_mgr_init(struct amdgpu_device *adev)
 
 int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
 {
-       u32 inst_mask = adev->sdma.sdma_mask;
+       u32 mask, inst_mask = adev->sdma.sdma_mask;
        int ret, i, num_inst;
 
        /* generally 1 AID supports 4 instances */
@@ -370,7 +370,7 @@ int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
        adev->aid_mask = i = 1;
        inst_mask >>= adev->sdma.num_inst_per_aid;
 
-       for (const u32 mask = (1 << adev->sdma.num_inst_per_aid) - 1; inst_mask;
+       for (mask = (1 << adev->sdma.num_inst_per_aid) - 1; inst_mask;
             inst_mask >>= adev->sdma.num_inst_per_aid, ++i) {
                if ((inst_mask & mask) == mask)
                        adev->aid_mask |= (1 << i);