[PATCH] drm/amdgpu: handle default profile on on devices without fullscreen 3D

[Alex Deucher]

Some devices do not support fullscreen 3D.

v2: Make the check generic.

Fixes: 336568de918e ("drm/amdgpu/swsmu: default to fullscreen 3D profile for dGPUs")
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: Kenneth Feng <kenneth.feng at amd.com>
Cc: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index accc96a03bd9..8d4aee4e2287 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1236,6 +1236,14 @@ static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
 	}
 }
 
+static bool smu_is_workload_profile_available(struct smu_context *smu,
+					      u32 profile)
+{
+	if (profile >= PP_SMC_POWER_PROFILE_COUNT)
+		return false;
+	return smu->workload_map && smu->workload_map[profile].valid_mapping;
+}
+
 static int smu_sw_init(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
@@ -1267,7 +1275,8 @@ static int smu_sw_init(struct amdgpu_ip_block *ip_block)
 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
 
-	if (smu->is_apu)
+	if (smu->is_apu ||
+	    !smu_is_workload_profile_available(smu, PP_SMC_POWER_PROFILE_FULLSCREEN3D))
 		smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
 	else
 		smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D];
-- 
2.46.2