[PATCH 052/207] drm/amdgpu: add gmc cg support for sienna_cichlid

Alex Deucher alexdeucher at gmail.com
Mon Jun 1 18:00:04 UTC 2020


From: Likun Gao <Likun.Gao at amd.com>

Add gmc clockgating support for sienna_cichlid.
The athub version used for sienna_cichlid is v2.1.

Signed-off-by: Likun Gao <Likun.Gao at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c  | 11 +++++++++--
 drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c |  1 +
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index afca175a092c..ce2f72430403 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -48,6 +48,7 @@
 #include "gfxhub_v2_1.h"
 #include "mmhub_v2_0.h"
 #include "athub_v2_0.h"
+#include "athub_v2_1.h"
 /* XXX Move this macro to navi10 header file, which is like vid.h for VI.*/
 #define AMDGPU_NUM_OF_VMIDS			8
 
@@ -1078,7 +1079,10 @@ static int gmc_v10_0_set_clockgating_state(void *handle,
 	if (r)
 		return r;
 
-	return athub_v2_0_set_clockgating(adev, state);
+	if (adev->asic_type == CHIP_SIENNA_CICHLID)
+		return athub_v2_1_set_clockgating(adev, state);
+	else
+		return athub_v2_0_set_clockgating(adev, state);
 }
 
 static void gmc_v10_0_get_clockgating_state(void *handle, u32 *flags)
@@ -1087,7 +1091,10 @@ static void gmc_v10_0_get_clockgating_state(void *handle, u32 *flags)
 
 	mmhub_v2_0_get_clockgating(adev, flags);
 
-	athub_v2_0_get_clockgating(adev, flags);
+	if (adev->asic_type == CHIP_SIENNA_CICHLID)
+		athub_v2_1_get_clockgating(adev, flags);
+	else
+		athub_v2_0_get_clockgating(adev, flags);
 }
 
 static int gmc_v10_0_set_powergating_state(void *handle,
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index b83a56d67428..af0866af63a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -461,6 +461,7 @@ int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev,
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
 	case CHIP_NAVI12:
+	case CHIP_SIENNA_CICHLID:
 		mmhub_v2_0_update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
 		mmhub_v2_0_update_medium_grain_light_sleep(adev,
-- 
2.25.4



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