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drm/amd/pm: enable DCS

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Enable DCS

V1: Enable Async DCS.
V2: Add the ppfeaturemask bit to enable from the modprobe parameter.
V3:
1. add the flag to skip APU support.
2. remove the hunk for workload selection since
it doesn't impact the function.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2021-02-03 18:40:52 +08:00 committed by Alex Deucher
parent e83db77487
commit 680602d6c2
3 changed files with 12 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View file

@ -132,8 +132,12 @@ uint amdgpu_pg_mask = 0xffffffff;
uint amdgpu_sdma_phase_quantum = 32;
char *amdgpu_disable_cu = NULL;
char *amdgpu_virtual_display = NULL;
/* OverDrive(bit 14) disabled by default*/
uint amdgpu_pp_feature_mask = 0xffffbfff;
/*
* OverDrive(bit 14) disabled by default
* GFX DCS(bit 19) disabled by default
*/
uint amdgpu_pp_feature_mask = 0xfff7bfff;
uint amdgpu_force_long_training;
int amdgpu_job_hang_limit;
int amdgpu_lbpw = -1;

1
drivers/gpu/drm/amd/include/amd_shared.h
View file

@ -213,6 +213,7 @@ enum PP_FEATURE_MASK {
PP_ACG_MASK = 0x10000,
PP_STUTTER_MODE = 0x20000,
PP_AVFS_MASK = 0x40000,
PP_GFX_DCS_MASK = 0x80000,
};
enum DC_FEATURE_MASK {

5
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View file

@ -261,6 +261,11 @@ sienna_cichlid_get_allowed_feature_mask(struct smu_context *smu,
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_GFX_GPO_BIT);
}
if ((adev->pm.pp_feature & PP_GFX_DCS_MASK) &&
(adev->asic_type > CHIP_SIENNA_CICHLID) &&
!(adev->flags & AMD_IS_APU))
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_GFX_DCS_BIT);
if (adev->pm.pp_feature & PP_MCLK_DPM_MASK)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_UCLK_BIT)
| FEATURE_MASK(FEATURE_MEM_VDDCI_SCALING_BIT)