[PATCH 06/16] drm/amd/powerplay: add new UMD pstate data structure

[Evan Quan]

This is used to cache the clock frequencies for all UMD pstates.
So that we do not need to calculate from scratch on every UMD
pstate switch.

Change-Id: I3f2ef5ee2e6e433518f726988bbe5970848b99c8
Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 66912884f093..91c8b69da026 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -352,6 +352,20 @@ struct smu_baco_context
 	bool platform_support;
 };
 
+struct pstates_clk_freq {
+	uint32_t			min;
+	uint32_t			standard;
+	uint32_t			peak;
+};
+
+struct smu_umd_pstate_table {
+	struct pstates_clk_freq		gfxclk_pstate;
+	struct pstates_clk_freq		socclk_pstate;
+	struct pstates_clk_freq		uclk_pstate;
+	struct pstates_clk_freq		vclk_pstate;
+	struct pstates_clk_freq		dclk_pstate;
+};
+
 #define WORKLOAD_POLICY_MAX 7
 struct smu_context
 {
@@ -376,6 +390,7 @@ struct smu_context
 	struct dentry                   *debugfs_sclk;
 #endif
 
+	struct smu_umd_pstate_table	pstate_table;
 	uint32_t pstate_sclk;
 	uint32_t pstate_mclk;
 
-- 
2.27.0