[PATCH 1/3] drm/amdgpu: Add GFX Fine Grain Clock Gating flag

Jinzhou.Su Jinzhou.Su at amd.com
Tue Nov 3 06:16:19 UTC 2020


Add AMD_CG_SUPPORT_GFX_FGCG for FGCG

Signed-off-by: Jinzhou.Su <Jinzhou.Su at amd.com>
Change-Id: I97e10e258e25a60de2604b8a31514421f6819448
---
 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 412602d84f71..9676016a37ce 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -144,6 +144,7 @@ enum amd_powergating_state {
 #define AMD_CG_SUPPORT_ATHUB_LS			(1 << 28)
 #define AMD_CG_SUPPORT_ATHUB_MGCG		(1 << 29)
 #define AMD_CG_SUPPORT_JPEG_MGCG		(1 << 30)
+#define AMD_CG_SUPPORT_GFX_FGCG			(1 << 31)
 /* 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 080af05724ed..e57153d1fa24 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -39,6 +39,7 @@
 #include "hwmgr.h"
 
 static const struct cg_flag_name clocks[] = {
+	{AMD_CG_SUPPORT_GFX_FGCG, "Graphics Fine Grain Clock Gating"},
 	{AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"},
 	{AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"},
 	{AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"},
-- 
2.17.1



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