drm/amd/powerplay: add new UMD pstate data structure

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.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index a0cab85dec9965f528e5b331769d3264283fd905..6a0b4382c86f9b53cb6957c0114c88f27a688516 100644 (file)
--- 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;