From 82f9146832c60e5d1f0e4ed7ee82c7a18dff5cc1 Mon Sep 17 00:00:00 2001 From: Bhawanpreet Lakha Date: Thu, 25 Jul 2019 15:58:18 -0400 Subject: [PATCH] drm/amd/display: Add pp_smu functions for Renoir This defines the interface for communicating requirements between DC and powerplay. Acked-by: Harry Wentland Signed-off-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dm_pp_smu.h | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h index 680689cab5dd..c03a441ee638 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h +++ b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h @@ -44,6 +44,9 @@ enum pp_smu_ver { #ifndef CONFIG_TRIM_DRM_AMD_DC_DCN2_0 PP_SMU_VER_NV, #endif +#if defined(CONFIG_DRM_AMD_DC_DCN2_1) + PP_SMU_VER_RN, +#endif PP_SMU_VER_MAX }; @@ -246,6 +249,47 @@ struct pp_smu_funcs_nv { }; #endif +#if defined(CONFIG_DRM_AMD_DC_DCN2_1) + +#define PP_SMU_NUM_SOCCLK_DPM_LEVELS 8 +#define PP_SMU_NUM_DCFCLK_DPM_LEVELS 4 +#define PP_SMU_NUM_FCLK_DPM_LEVELS 4 +#define PP_SMU_NUM_MEMCLK_DPM_LEVELS 4 + +struct dpm_clock { + uint32_t Freq; // In MHz + uint32_t Vol; // Millivolts with 2 fractional bits +}; + + +/* this is a copy of the structure defined in smuxx_driver_if.h*/ +struct dpm_clocks { + struct dpm_clock DcfClocks[PP_SMU_NUM_DCFCLK_DPM_LEVELS]; + struct dpm_clock SocClocks[PP_SMU_NUM_SOCCLK_DPM_LEVELS]; + struct dpm_clock FClocks[PP_SMU_NUM_FCLK_DPM_LEVELS]; + struct dpm_clock MemClocks[PP_SMU_NUM_MEMCLK_DPM_LEVELS]; +}; + + +struct pp_smu_funcs_rn { + struct pp_smu pp_smu; + + /* + * reader and writer WM's are sent together as part of one table + * + * PPSMC_MSG_SetDriverDramAddrHigh + * PPSMC_MSG_SetDriverDramAddrLow + * PPSMC_MSG_TransferTableDram2Smu + * + */ + enum pp_smu_status (*set_wm_ranges)(struct pp_smu *pp, + struct pp_smu_wm_range_sets *ranges); + + enum pp_smu_status (*get_dpm_clock_table) (struct pp_smu *pp, + struct dpm_clocks *clock_table); +}; +#endif + struct pp_smu_funcs { struct pp_smu ctx; union { @@ -253,6 +297,9 @@ struct pp_smu_funcs { #ifndef CONFIG_TRIM_DRM_AMD_DC_DCN2_0 struct pp_smu_funcs_nv nv_funcs; #endif +#if defined(CONFIG_DRM_AMD_DC_DCN2_1) + struct pp_smu_funcs_rn rn_funcs; +#endif }; };