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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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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/mes= on_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 =3D> /1 /2 */ MESON_VCLK_HDMI_594000_YUV420, +/* 4830 /2 /1 /2 /5 /1 =3D> /1 /1 */ + MESON_VCLK_HDMI_241500, }; =20 struct meson_vclk_params { @@ -467,6 +469,18 @@ struct meson_vclk_params { .vid_pll_div =3D VID_PLL_DIV_5, .vclk_div =3D 1, }, + [MESON_VCLK_HDMI_241500] =3D { + .pll_freq =3D 4830000000, + .phy_freq =3D 2415000000, + .venc_freq =3D 241500000, + .vclk_freq =3D 241500000, + .pixel_freq =3D 241500000, + .pll_od1 =3D 2, + .pll_od2 =3D 1, + .pll_od3 =3D 2, + .vid_pll_div =3D VID_PLL_DIV_5, + .vclk_div =3D 1, + }, { /* sentinel */ }, }; =20 @@ -894,6 +908,10 @@ static void meson_vclk_set(struct meson_drm *priv, m =3D 0xf7; frac =3D vic_alternate_clock ? 0x8148 : 0x10000; break; + case 4830000: + m =3D 0xc9; + frac =3D 0xd560; + break; } =20 meson_hdmi_pll_set_params(priv, m, frac, od1, od2, od3); --=20 2.34.1