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drm/amd/powerplay: OD setting fix on Vega10

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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>
This commit is contained in:
Kenneth Feng 2019-01-18 18:08:19 +08:00 committed by Alex Deucher
parent f15f3eb26e
commit 6d87dc97eb
1 changed files with 21 additions and 1 deletions
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22
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
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@ -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);