diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 40 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 15 |
2 files changed, 37 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 14cec1c7b718..06edca50a8fa 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -384,19 +384,6 @@ static void dcn35_enable_pme_wa(struct clk_mgr *clk_mgr_base) dcn35_smu_enable_pme_wa(clk_mgr); } -void dcn35_init_clocks(struct clk_mgr *clk_mgr) -{ - uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz; - - memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); - - // Assumption is that boot state always supports pstate - clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk - clk_mgr->clks.p_state_change_support = true; - clk_mgr->clks.prev_p_state_change_support = true; - clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN; - clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN; -} bool dcn35_are_clock_states_equal(struct dc_clocks *a, struct dc_clocks *b) @@ -422,6 +409,23 @@ static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs { } +static void init_clk_states(struct clk_mgr *clk_mgr) +{ + uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz; + memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); + + clk_mgr->clks.dtbclk_en = true; + clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk + clk_mgr->clks.p_state_change_support = true; + clk_mgr->clks.prev_p_state_change_support = true; + clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN; + clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN; +} + +void dcn35_init_clocks(struct clk_mgr *clk_mgr) +{ + init_clk_states(clk_mgr); +} static struct clk_bw_params dcn35_bw_params = { .vram_type = Ddr4MemType, .num_channels = 1, @@ -826,7 +830,7 @@ static void dcn35_set_low_power_state(struct clk_mgr *clk_mgr_base) } } -static void dcn35_set_idle_state(struct clk_mgr *clk_mgr_base, bool allow_idle) +static void dcn35_set_ips_idle_state(struct clk_mgr *clk_mgr_base, bool allow_idle) { struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); struct dc *dc = clk_mgr_base->ctx->dc; @@ -874,7 +878,7 @@ static bool dcn35_is_ips_supported(struct clk_mgr *clk_mgr_base) return ips_supported; } -static uint32_t dcn35_get_idle_state(struct clk_mgr *clk_mgr_base) +static uint32_t dcn35_get_ips_idle_state(struct clk_mgr *clk_mgr_base) { struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); @@ -883,7 +887,7 @@ static uint32_t dcn35_get_idle_state(struct clk_mgr *clk_mgr_base) static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr) { - dcn35_init_clocks(clk_mgr); + init_clk_states(clk_mgr); /* TODO: Implement the functions and remove the ifndef guard */ } @@ -968,8 +972,8 @@ static struct clk_mgr_funcs dcn35_funcs = { .set_low_power_state = dcn35_set_low_power_state, .exit_low_power_state = dcn35_exit_low_power_state, .is_ips_supported = dcn35_is_ips_supported, - .set_idle_state = dcn35_set_idle_state, - .get_idle_state = dcn35_get_idle_state + .set_idle_state = dcn35_set_ips_idle_state, + .get_idle_state = dcn35_get_ips_idle_state }; struct clk_mgr_funcs dcn35_fpga_funcs = { diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c index 6d4a1ffab5ed..a07f7e685d28 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c @@ -447,6 +447,9 @@ void dcn35_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable) void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable) { + if (!clk_mgr->smu_present) + return; + dcn35_smu_send_msg_with_param( clk_mgr, VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown, @@ -458,6 +461,9 @@ int dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr) { int retv; + if (!clk_mgr->smu_present) + return 0; + retv = dcn35_smu_send_msg_with_param( clk_mgr, VBIOSSMC_MSG_DispPsrExit, @@ -470,6 +476,9 @@ int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr) { int retv; + if (!clk_mgr->smu_present) + return 0; + retv = dcn35_smu_send_msg_with_param( clk_mgr, VBIOSSMC_MSG_QueryIPS2Support, @@ -481,6 +490,9 @@ int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr) void dcn35_smu_write_ips_scratch(struct clk_mgr_internal *clk_mgr, uint32_t param) { + if (!clk_mgr->smu_present) + return; + REG_WRITE(MP1_SMN_C2PMSG_71, param); //smu_print("%s: write_ips_scratch = %x\n", __func__, param); } @@ -489,6 +501,9 @@ uint32_t dcn35_smu_read_ips_scratch(struct clk_mgr_internal *clk_mgr) { uint32_t retv; + if (!clk_mgr->smu_present) + return 0; + retv = REG_READ(MP1_SMN_C2PMSG_71); //smu_print("%s: dcn35_smu_read_ips_scratch = %x\n", __func__, retv); return retv; |