[PATCH 1/2] drm/amd/pp: Set Max clock level to display by default
Rex Zhu
rex.zhu at amd.com
Tue Jul 17 12:36:49 UTC 2018
avoid the error in dmesg:
[drm:dm_pp_get_static_clocks]
*ERROR* DM_PPLIB: invalid powerlevel state: 0!
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 75c2082..63adcd1 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -998,7 +998,7 @@ static int pp_get_display_power_level(void *handle,
static int pp_get_current_clocks(void *handle,
struct amd_pp_clock_info *clocks)
{
- struct amd_pp_simple_clock_info simple_clocks;
+ struct amd_pp_simple_clock_info simple_clocks = { 0 };
struct pp_clock_info hw_clocks;
struct pp_hwmgr *hwmgr = handle;
int ret = 0;
@@ -1034,7 +1034,8 @@ static int pp_get_current_clocks(void *handle,
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
- clocks->max_clocks_state = simple_clocks.level;
+ if (simple_clocks.level == 0)
+ clocks->max_clocks_state = PP_DAL_POWERLEVEL_7;
if (0 == phm_get_current_shallow_sleep_clocks(hwmgr, &hwmgr->current_ps->hardware, &hw_clocks)) {
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
@@ -1137,6 +1138,8 @@ static int pp_get_display_mode_validation_clocks(void *handle,
if (!hwmgr || !hwmgr->pm_en ||!clocks)
return -EINVAL;
+ clocks->level = PP_DAL_POWERLEVEL_7;
+
mutex_lock(&hwmgr->smu_lock);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DynamicPatchPowerState))
--
1.9.1
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