diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/nvidia/tegra124/sor.c | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/src/soc/nvidia/tegra124/sor.c b/src/soc/nvidia/tegra124/sor.c index 6151ae601f..5d463a8a81 100644 --- a/src/soc/nvidia/tegra124/sor.c +++ b/src/soc/nvidia/tegra124/sor.c @@ -633,55 +633,57 @@ void tegra_dc_sor_enable_dp(struct tegra_dc_sor_data *sor) void tegra_dc_sor_attach(struct tegra_dc_sor_data *sor) { - u32 reg_val; struct display_controller *disp_ctrl = (void *)sor->dc->base; tegra_dc_sor_enable_dc(sor); tegra_dc_sor_config_panel(sor, 0); - WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt); + WRITEL(0x9f00, &disp_ctrl->cmd.state_ctrl); + WRITEL(0x9f, &disp_ctrl->cmd.state_ctrl); + + WRITEL(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | + PW3_ENABLE | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE, + &disp_ctrl->cmd.disp_pow_ctrl); reg_val = tegra_sor_readl(sor, NV_SOR_TEST); - if (reg_val & NV_SOR_TEST_ATTACHED_TRUE) { - printk(BIOS_INFO, "sor: Attached\n"); + if (reg_val & NV_SOR_TEST_ATTACHED_TRUE) return; - } + + tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, + NV_SOR_SUPER_STATE1_ATTACHED_NO); + + /* + * Enable display2sor clock at least 2 cycles before DC start, + * to clear sor internal valid signal. + */ + WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt); + WRITEL(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl); + WRITEL(0, &disp_ctrl->disp.disp_win_opt); + WRITEL(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl); /* Attach head */ tegra_dc_sor_update(sor); - reg_val = NV_SOR_SUPER_STATE1_ASY_HEAD_OP_AWAKE | - NV_SOR_SUPER_STATE1_ASY_ORMODE_NORMAL | - NV_SOR_SUPER_STATE1_ATTACHED_NO; - tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, reg_val); - tegra_dc_sor_super_update(sor); - - reg_val |= NV_SOR_SUPER_STATE1_ATTACHED_YES; - tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, reg_val); + tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, + NV_SOR_SUPER_STATE1_ATTACHED_YES); + tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, + NV_SOR_SUPER_STATE1_ATTACHED_YES | + NV_SOR_SUPER_STATE1_ASY_HEAD_OP_AWAKE | + NV_SOR_SUPER_STATE1_ASY_ORMODE_NORMAL); tegra_dc_sor_super_update(sor); - if (tegra_dc_sor_poll_register(sor, NV_SOR_TEST, - NV_SOR_TEST_ATTACHED_DEFAULT_MASK, - NV_SOR_TEST_ATTACHED_TRUE, - 100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000)) { - printk(BIOS_ERR, - "dc timeout waiting for ATTACHED = TRUE\n"); - } - - /* Enable dc after attaching head */ - WRITEL(0x9f00, &disp_ctrl->cmd.state_ctrl); - WRITEL(0x9f, &disp_ctrl->cmd.state_ctrl); - WRITEL(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | - PW3_ENABLE | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE, - &disp_ctrl->cmd.disp_pow_ctrl); + /* Enable dc */ + WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd); + WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt); + WRITEL(GENERAL_ACT_REQ, &disp_ctrl->cmd.state_ctrl); if (tegra_dc_sor_poll_register(sor, NV_SOR_TEST, NV_SOR_TEST_ACT_HEAD_OPMODE_DEFAULT_MASK, NV_SOR_TEST_ACT_HEAD_OPMODE_AWAKE, - 100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000)) { - printk(BIOS_ERR, - "dc timeout waiting for OPMOD = AWAKE\n"); - } + 100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000)) + printk(BIOS_ERR, "dc timeout waiting for OPMOD = AWAKE\n"); + else + printk(BIOS_INFO, "%s: sor is attached\n", __func__); } void tegra_dc_sor_set_lane_parm(struct tegra_dc_sor_data *sor, |