[PATCH 4/6] drm/amdgpu: add FGCG support

[Zhang, Hawking]

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Saturday, April 30, 2022 01:36
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Quan, Evan <Evan.Quan at amd.com>
Subject: [PATCH 4/6] drm/amdgpu: add FGCG support

From: Evan Quan <evan.quan at amd.com>

Add the CG flag for Fine Grained Clock Gating.

Signed-off-by: Evan Quan <evan.quan at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/include/amd_shared.h | 1 +
 drivers/gpu/drm/amd/pm/amdgpu_pm.c       | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 9086df53660c..9ae4060a9d0f 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -148,6 +148,7 @@ enum amd_powergating_state {
 #define AMD_CG_SUPPORT_ATHUB_MGCG              (1ULL << 29)
 #define AMD_CG_SUPPORT_JPEG_MGCG               (1ULL << 30)
 #define AMD_CG_SUPPORT_GFX_FGCG                        (1ULL << 31)
+#define AMD_CG_SUPPORT_REPEATER_FGCG           (1ULL << 32)
 /* PG flags */
 #define AMD_PG_SUPPORT_GFX_PG                  (1 << 0)
 #define AMD_PG_SUPPORT_GFX_SMG                 (1 << 1)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 05f1ac355ba8..e92d07f88048 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -66,6 +66,7 @@ static const struct cg_flag_name clocks[] = {
        {AMD_CG_SUPPORT_HDP_SD, "Host Data Path Shutdown"},
        {AMD_CG_SUPPORT_IH_CG, "Interrupt Handler Clock Gating"},
        {AMD_CG_SUPPORT_JPEG_MGCG, "JPEG Medium Grain Clock Gating"},
+       {AMD_CG_SUPPORT_REPEATER_FGCG, "Repeater Fine Grain Clock Gating"},

        {AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"},
        {AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"},
--
2.35.1