diff options
| author | Kenneth Feng <kenneth.feng@amd.com> | 2019-01-18 18:08:19 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-21 15:01:43 -0500 |
| commit | 6d87dc97eb3341de3f7b1efa3156cb0e014f4a96 (patch) | |
| tree | 0cf6a9ac14491d5756c94b5b170b3173be9bc970 /drivers/gpu/drm | |
| parent | f15f3eb26e8d9d25ea2330ed1273473df2f039df (diff) | |
| download | linux-6d87dc97eb3341de3f7b1efa3156cb0e014f4a96.tar.bz2 | |
drm/amd/powerplay: OD setting fix on Vega10
gfxclk for OD setting is limited to 1980M for non-acg
ASICs of Vega10
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c index b8747a5c9204..99d596dc0e89 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c @@ -32,6 +32,7 @@ #include "vega10_pptable.h" #define NUM_DSPCLK_LEVELS 8 +#define VEGA10_ENGINECLOCK_HARDMAX 198000 static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable, enum phm_platform_caps cap) @@ -258,7 +259,26 @@ static int init_over_drive_limits( struct pp_hwmgr *hwmgr, const ATOM_Vega10_POWERPLAYTABLE *powerplay_table) { - hwmgr->platform_descriptor.overdriveLimit.engineClock = + const ATOM_Vega10_GFXCLK_Dependency_Table *gfxclk_dep_table = + (const ATOM_Vega10_GFXCLK_Dependency_Table *) + (((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usGfxclkDependencyTableOffset)); + bool is_acg_enabled = false; + ATOM_Vega10_GFXCLK_Dependency_Record_V2 *patom_record_v2; + + if (gfxclk_dep_table->ucRevId == 1) { + patom_record_v2 = + (ATOM_Vega10_GFXCLK_Dependency_Record_V2 *)gfxclk_dep_table->entries; + is_acg_enabled = + (bool)patom_record_v2[gfxclk_dep_table->ucNumEntries-1].ucACGEnable; + } + + if (powerplay_table->ulMaxODEngineClock > VEGA10_ENGINECLOCK_HARDMAX && + !is_acg_enabled) + hwmgr->platform_descriptor.overdriveLimit.engineClock = + VEGA10_ENGINECLOCK_HARDMAX; + else + hwmgr->platform_descriptor.overdriveLimit.engineClock = le32_to_cpu(powerplay_table->ulMaxODEngineClock); hwmgr->platform_descriptor.overdriveLimit.memoryClock = le32_to_cpu(powerplay_table->ulMaxODMemoryClock); |