[PATCH 1/2] drm/amdgpu: add GFX Clock Gating support for GC IP v11.0.1

[PATCH 1/2] drm/amdgpu: add GFX Clock Gating support for GC IP v11.0.1

[Tim Huang]

Add below GFX Clock Gating supports:

1. GFX Coarse Grain Clock Gating(CGCG)
2. GFX Coarse grain light sleep/deep sleep(CGLS)
3. GFX Medium Grain Clock Gating(MGCG)
4. GFX Fine Grain Clock Gating(FGCG)
5. Repeater Fine Grain Clock Gating
6. Perfmon Clock Gating

Signed-off-by: Tim Huang <tim.huang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/soc21.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 52816de5e17b..b700c6cb14b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -586,6 +586,12 @@ static int soc21_common_early_init(void *handle)
 		break;
 	case IP_VERSION(11, 0, 1):
 		adev->cg_flags =
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_FGCG |
+			AMD_CG_SUPPORT_REPEATER_FGCG |
+			AMD_CG_SUPPORT_GFX_PERF_CLK |
 			AMD_CG_SUPPORT_VCN_MGCG |
 			AMD_CG_SUPPORT_JPEG_MGCG;
 		adev->pg_flags =
-- 
2.25.1

[PATCH 2/2] drm/amdgpu: enable GFX Clock Gating control for GC IP v11.0.1

[Tim Huang]

Enable GFX CG gate/ungate control.

Signed-off-by: Tim Huang <tim.huang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 6fd71cb10e54..e03618803a1c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5310,6 +5310,7 @@ static int gfx_v11_0_set_clockgating_state(void *handle,
 
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(11, 0, 0):
+	case IP_VERSION(11, 0, 1):
 	case IP_VERSION(11, 0, 2):
 	        gfx_v11_0_update_gfx_clock_gating(adev,
 	                        state ==  AMD_CG_STATE_GATE);
-- 
2.25.1

RE: [PATCH 2/2] drm/amdgpu: enable GFX Clock Gating control for GC IP v11.0.1

[Zhang, Yifan]

[Public]

This series is 

Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>

-----Original Message-----
From: Huang, Tim <Tim.Huang@amd.com> 
Sent: Friday, August 5, 2022 12:13 PM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Yifan <Yifan1.Zhang@amd.com>; Du, Xiaojian <Xiaojian.Du@amd.com>; Huang, Tim <Tim.Huang@amd.com>
Subject: [PATCH 2/2] drm/amdgpu: enable GFX Clock Gating control for GC IP v11.0.1

Enable GFX CG gate/ungate control.

Signed-off-by: Tim Huang <tim.huang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 6fd71cb10e54..e03618803a1c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5310,6 +5310,7 @@ static int gfx_v11_0_set_clockgating_state(void *handle,
 
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(11, 0, 0):
+	case IP_VERSION(11, 0, 1):
 	case IP_VERSION(11, 0, 2):
 	        gfx_v11_0_update_gfx_clock_gating(adev,
 	                        state ==  AMD_CG_STATE_GATE);
-- 
2.25.1