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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 8 ++++++--
drivers/gpu/drm/amd/include/amd_shared.h | 1 +
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 5 +++++
3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 2fd3a80bb034..ca3dce6d463e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -131,8 +131,12 @@ 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;
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 9676016a37ce..43ed6291b2b8 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -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 {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index cf59f2218b7e..fd090d057d26 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -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)
--
2.17.1
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
