diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 90 |
1 files changed, 77 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c index ba995d3f2318..30d953acd016 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c @@ -59,6 +59,12 @@ #define MCP_BL_SET_PWM_FRAC 0x6A /* Enable or disable Fractional PWM */ #define MASTER_COMM_CNTL_REG__MASTER_COMM_INTERRUPT_MASK 0x00000001L +// PSP FW version +#define mmMP0_SMN_C2PMSG_58 0x1607A + +//Register access policy version +#define mmMP0_SMN_C2PMSG_91 0x1609B + static bool dce_dmcu_init(struct dmcu *dmcu) { // Do nothing @@ -318,7 +324,7 @@ static void dce_get_psr_wait_loop( return; } -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#if defined(CONFIG_DRM_AMD_DC_DCN) static void dcn10_get_dmcu_version(struct dmcu *dmcu) { struct dce_dmcu *dmcu_dce = TO_DCE_DMCU(dmcu); @@ -373,6 +379,7 @@ static bool dcn10_dmcu_init(struct dmcu *dmcu) const struct dc_config *config = &dmcu->ctx->dc->config; bool status = false; + PERF_TRACE(); /* Definition of DC_DMCU_SCRATCH * 0 : firmare not loaded * 1 : PSP load DMCU FW but not initialized @@ -429,9 +436,21 @@ static bool dcn10_dmcu_init(struct dmcu *dmcu) break; } + PERF_TRACE(); return status; } +static bool dcn21_dmcu_init(struct dmcu *dmcu) +{ + struct dce_dmcu *dmcu_dce = TO_DCE_DMCU(dmcu); + uint32_t dmcub_psp_version = REG_READ(DMCUB_SCRATCH15); + + if (dmcu->auto_load_dmcu && dmcub_psp_version == 0) { + return false; + } + + return dcn10_dmcu_init(dmcu); +} static bool dcn10_dmcu_load_iram(struct dmcu *dmcu, unsigned int start_offset, @@ -518,9 +537,6 @@ static void dcn10_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait) if (dmcu->dmcu_state != DMCU_RUNNING) return; - dcn10_get_dmcu_psr_state(dmcu, &psr_state); - if (psr_state == 0 && !enable) - return; /* waitDMCUReadyForCmd */ REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0, dmcu_wait_reg_ready_interval, @@ -727,9 +743,7 @@ static bool dcn10_is_dmcu_initialized(struct dmcu *dmcu) return true; } -#endif //(CONFIG_DRM_AMD_DC_DCN1_0) -#if defined(CONFIG_DRM_AMD_DC_DCN2_0) static bool dcn20_lock_phy(struct dmcu *dmcu) { @@ -777,7 +791,7 @@ static bool dcn20_unlock_phy(struct dmcu *dmcu) return true; } -#endif //(CONFIG_DRM_AMD_DC_DCN2_0) +#endif //(CONFIG_DRM_AMD_DC_DCN) static const struct dmcu_funcs dce_funcs = { .dmcu_init = dce_dmcu_init, @@ -790,7 +804,7 @@ static const struct dmcu_funcs dce_funcs = { .is_dmcu_initialized = dce_is_dmcu_initialized }; -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#if defined(CONFIG_DRM_AMD_DC_DCN) static const struct dmcu_funcs dcn10_funcs = { .dmcu_init = dcn10_dmcu_init, .load_iram = dcn10_dmcu_load_iram, @@ -801,9 +815,7 @@ static const struct dmcu_funcs dcn10_funcs = { .get_psr_wait_loop = dcn10_get_psr_wait_loop, .is_dmcu_initialized = dcn10_is_dmcu_initialized }; -#endif -#if defined(CONFIG_DRM_AMD_DC_DCN2_0) static const struct dmcu_funcs dcn20_funcs = { .dmcu_init = dcn10_dmcu_init, .load_iram = dcn10_dmcu_load_iram, @@ -816,6 +828,19 @@ static const struct dmcu_funcs dcn20_funcs = { .lock_phy = dcn20_lock_phy, .unlock_phy = dcn20_unlock_phy }; + +static const struct dmcu_funcs dcn21_funcs = { + .dmcu_init = dcn21_dmcu_init, + .load_iram = dcn10_dmcu_load_iram, + .set_psr_enable = dcn10_dmcu_set_psr_enable, + .setup_psr = dcn10_dmcu_setup_psr, + .get_psr_state = dcn10_get_dmcu_psr_state, + .set_psr_wait_loop = dcn10_psr_wait_loop, + .get_psr_wait_loop = dcn10_get_psr_wait_loop, + .is_dmcu_initialized = dcn10_is_dmcu_initialized, + .lock_phy = dcn20_lock_phy, + .unlock_phy = dcn20_unlock_phy +}; #endif static void dce_dmcu_construct( @@ -836,6 +861,26 @@ static void dce_dmcu_construct( dmcu_dce->dmcu_mask = dmcu_mask; } +#if defined(CONFIG_DRM_AMD_DC_DCN) +static void dcn21_dmcu_construct( + struct dce_dmcu *dmcu_dce, + struct dc_context *ctx, + const struct dce_dmcu_registers *regs, + const struct dce_dmcu_shift *dmcu_shift, + const struct dce_dmcu_mask *dmcu_mask) +{ + uint32_t psp_version = 0; + + dce_dmcu_construct(dmcu_dce, ctx, regs, dmcu_shift, dmcu_mask); + + if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { + psp_version = dm_read_reg(ctx, mmMP0_SMN_C2PMSG_58); + dmcu_dce->base.auto_load_dmcu = ((psp_version & 0x00FF00FF) > 0x00110029); + dmcu_dce->base.psp_version = psp_version; + } +} +#endif + struct dmcu *dce_dmcu_create( struct dc_context *ctx, const struct dce_dmcu_registers *regs, @@ -857,7 +902,7 @@ struct dmcu *dce_dmcu_create( return &dmcu_dce->base; } -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#if defined(CONFIG_DRM_AMD_DC_DCN) struct dmcu *dcn10_dmcu_create( struct dc_context *ctx, const struct dce_dmcu_registers *regs, @@ -878,9 +923,7 @@ struct dmcu *dcn10_dmcu_create( return &dmcu_dce->base; } -#endif -#if defined(CONFIG_DRM_AMD_DC_DCN2_0) struct dmcu *dcn20_dmcu_create( struct dc_context *ctx, const struct dce_dmcu_registers *regs, @@ -901,6 +944,27 @@ struct dmcu *dcn20_dmcu_create( return &dmcu_dce->base; } + +struct dmcu *dcn21_dmcu_create( + struct dc_context *ctx, + const struct dce_dmcu_registers *regs, + const struct dce_dmcu_shift *dmcu_shift, + const struct dce_dmcu_mask *dmcu_mask) +{ + struct dce_dmcu *dmcu_dce = kzalloc(sizeof(*dmcu_dce), GFP_KERNEL); + + if (dmcu_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + dcn21_dmcu_construct( + dmcu_dce, ctx, regs, dmcu_shift, dmcu_mask); + + dmcu_dce->base.funcs = &dcn21_funcs; + + return &dmcu_dce->base; +} #endif void dce_dmcu_destroy(struct dmcu **dmcu) |