[PATCH 34/51] drm/amdgpu/powerplay: add some definition for other ip block to update cg pg.

Alex Deucher alexdeucher at gmail.com
Wed Nov 11 22:18:24 PST 2015


From: Rex Zhu <Rex.Zhu at amd.com>

Interface for clock and power gating handling.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h | 41 +++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
index 2281d88..d81b239 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
@@ -131,6 +131,47 @@ struct amd_pp_init {
 	uint32_t rev_id;
 };
 
+enum {
+	PP_GROUP_UNKNOWN = 0,
+	PP_GROUP_GFX = 1,
+	PP_GROUP_SYS,
+	PP_GROUP_MAX
+};
+
+#define PP_GROUP_MASK        0xF0000000
+#define PP_GROUP_SHIFT       28
+
+#define PP_BLOCK_MASK        0x0FFFFF00
+#define PP_BLOCK_SHIFT       8
+
+#define PP_BLOCK_GFX_CG         0x01
+#define PP_BLOCK_GFX_MG         0x02
+#define PP_BLOCK_SYS_BIF        0x01
+#define PP_BLOCK_SYS_MC         0x02
+#define PP_BLOCK_SYS_ROM        0x04
+#define PP_BLOCK_SYS_DRM        0x08
+#define PP_BLOCK_SYS_HDP        0x10
+#define PP_BLOCK_SYS_SDMA       0x20
+
+#define PP_STATE_MASK           0x0000000F
+#define PP_STATE_SHIFT          0
+#define PP_STATE_SUPPORT_MASK   0x000000F0
+#define PP_STATE_SUPPORT_SHIFT  0
+
+#define PP_STATE_CG             0x01
+#define PP_STATE_LS             0x02
+#define PP_STATE_DS             0x04
+#define PP_STATE_SD             0x08
+#define PP_STATE_SUPPORT_CG     0x10
+#define PP_STATE_SUPPORT_LS     0x20
+#define PP_STATE_SUPPORT_DS     0x40
+#define PP_STATE_SUPPORT_SD     0x80
+
+#define PP_CG_MSG_ID(group, block, support, state) (group << PP_GROUP_SHIFT |\
+								block << PP_BLOCK_SHIFT |\
+								support << PP_STATE_SUPPORT_SHIFT |\
+								state << PP_STATE_SHIFT)
+
 struct amd_powerplay_funcs {
 	int (*get_temperature)(void *handle);
 	int (*load_firmware)(void *handle);
-- 
1.8.3.1



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