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([188.163.112.49]) by smtp.gmail.com with ESMTPSA id m27-20020a1709060d9b00b00a2c7d34157asm14269068eji.180.2024.01.23.09.17.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jan 2024 09:17:07 -0800 (PST) From: Svyatoslav Ryhel To: Thierry Reding , Anatolij Gustschin , Svyatoslav Ryhel , Simon Glass Cc: u-boot@lists.denx.de Subject: [PATCH v6 05/18] video: tegra20: dc: add PLLD2 parent support Date: Tue, 23 Jan 2024 19:16:20 +0200 Message-Id: <20240123171633.246057-6-clamor95@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240123171633.246057-1-clamor95@gmail.com> References: <20240123171633.246057-1-clamor95@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean T30+ SOC have second PLLD - PLLD2 which can be actively used by DC and act as main DISP1/2 clock parent. Tested-by: Agneli # Toshiba AC100 T20 Tested-by: Robert Eckelmann # ASUS TF101 Tested-by: Andreas Westman Dorcsak # ASUS Grouper E1565 Tested-by: Ion Agorria # HTC One X Tested-by: Svyatoslav Ryhel # Nvidia Tegratab T114 Signed-off-by: Svyatoslav Ryhel Reviewed-by: Thierry Reding --- drivers/video/tegra20/tegra-dc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/tegra20/tegra-dc.c b/drivers/video/tegra20/tegra-dc.c index 0e94e665ef..56a23b3c97 100644 --- a/drivers/video/tegra20/tegra-dc.c +++ b/drivers/video/tegra20/tegra-dc.c @@ -304,6 +304,12 @@ static int tegra_display_probe(struct tegra_lcd_priv *priv, if (priv->dc_clk[1] == CLOCK_ID_DISPLAY) rate /= 2; +#ifndef CONFIG_TEGRA20 + /* PLLD2 obeys same rules as PLLD but it is present only on T30+ */ + if (priv->dc_clk[1] == CLOCK_ID_DISPLAY2) + rate /= 2; +#endif + /* * HOST1X is init by default at 150MHz with PLLC as parent */