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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46e2a9ac5basm177274005e9.7.2025.09.27.06.02.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Sep 2025 06:02:43 -0700 (PDT) From: Christian Hewitt To: Neil Armstrong , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Dongjin Kim Subject: [PATCH] drm/meson: add support for 2560x1440 resolution output Date: Sat, 27 Sep 2025 13:02:39 +0000 Message-Id: <20250927130239.825060-1-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250927_060245_617164_09BC5E58 X-CRM114-Status: GOOD ( 10.61 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org From: Dongjin Kim Add support for Quad HD (QHD) 2560x1440 resolution output. Timings have been adapted from the vendor kernel. Signed-off-by: Dongjin Kim Signed-off-by: Christian Hewitt --- drivers/gpu/drm/meson/meson_vclk.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c index dfe0c28a0f05..f5385b3e3796 100644 --- a/drivers/gpu/drm/meson/meson_vclk.c +++ b/drivers/gpu/drm/meson/meson_vclk.c @@ -357,6 +357,8 @@ enum { MESON_VCLK_HDMI_594000, /* 2970 /1 /1 /1 /5 /1 => /1 /2 */ MESON_VCLK_HDMI_594000_YUV420, +/* 4830 /2 /1 /2 /5 /1 => /1 /1 */ + MESON_VCLK_HDMI_241500, }; struct meson_vclk_params { @@ -467,6 +469,18 @@ struct meson_vclk_params { .vid_pll_div = VID_PLL_DIV_5, .vclk_div = 1, }, + [MESON_VCLK_HDMI_241500] = { + .pll_freq = 4830000000, + .phy_freq = 2415000000, + .venc_freq = 241500000, + .vclk_freq = 241500000, + .pixel_freq = 241500000, + .pll_od1 = 2, + .pll_od2 = 1, + .pll_od3 = 2, + .vid_pll_div = VID_PLL_DIV_5, + .vclk_div = 1, + }, { /* sentinel */ }, }; @@ -894,6 +908,10 @@ static void meson_vclk_set(struct meson_drm *priv, m = 0xf7; frac = vic_alternate_clock ? 0x8148 : 0x10000; break; + case 4830000: + m = 0xc9; + frac = 0xd560; + break; } meson_hdmi_pll_set_params(priv, m, frac, od1, od2, od3); -- 2.34.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic