[PATCH 2/5] drm/amdgpu/powerplay/psm: return an error in power state init

Quan, Evan Evan.Quan at amd.com
Wed Dec 2 02:09:18 UTC 2020


[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Evan Quan <evan.quan at amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Wednesday, December 2, 2020 1:44 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH 2/5] drm/amdgpu/powerplay/psm: return an error in power state init

Rather than just silently dropping it.  Also fixes a set but unused variable warning.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c
index 31a32a79cfc2..67d7da0b6fed 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c
@@ -74,6 +74,13 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr)

 for (i = 0; i < table_entries; i++) {
 result = hwmgr->hwmgr_func->get_pp_table_entry(hwmgr, i, state);
+if (result) {
+kfree(hwmgr->request_ps);
+kfree(hwmgr->ps);
+hwmgr->request_ps = NULL;
+hwmgr->ps = NULL;
+return -EINVAL;
+}

 if (state->classification.flags & PP_StateClassificationFlag_Boot) {
 hwmgr->boot_ps = state;
--
2.25.4

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