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[86.58.32.107]) by smtp.gmail.com with ESMTPSA id p12-20020a50c94c000000b00425c48132bfsm2982323edh.55.2022.04.24.13.08.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Apr 2022 13:08:14 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Chen-Yu Tsai , Maxime Ripard , Samuel Holland Cc: Samuel Holland , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev Subject: Re: [PATCH v3 13/14] drm/sun4i: Add support for D1 TCONs Date: Sun, 24 Apr 2022 22:08:13 +0200 Message-ID: <3164754.aeNJFYEL58@kista> In-Reply-To: <20220424162633.12369-14-samuel@sholland.org> References: <20220424162633.12369-1-samuel@sholland.org> <20220424162633.12369-14-samuel@sholland.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dne nedelja, 24. april 2022 ob 18:26:31 CEST je Samuel Holland napisal(a): > D1 has a TCON TOP, so its quirks are similar to those for the R40 TCONs. > While there are some register changes, the part of the TCON TV supported > by the driver matches the R40 quirks, so that quirks structure can be > reused. D1 has the first supported TCON LCD with a TCON TOP, so the TCON > LCD needs a new quirks structure. > > D1's TCON LCD hardware supports LVDS; in fact it provides dual-link LVDS > from a single TCON. However, it comes with a brand new LVDS PHY. Since > this PHY has not been tested, leave out LVDS driver support for now. > > Signed-off-by: Samuel Holland Reviewed-by: Jernej Skrabec Best regards, Jernej Skrabec > --- > > (no changes since v1) > > drivers/gpu/drm/sun4i/sun4i_tcon.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/ sun4i_tcon.c > index 88db2d2a9336..2ee158aaeb9e 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c > @@ -1542,6 +1542,12 @@ static const struct sun4i_tcon_quirks sun9i_a80_tcon_tv_quirks = { > .needs_edp_reset = true, > }; > > +static const struct sun4i_tcon_quirks sun20i_d1_lcd_quirks = { > + .has_channel_0 = true, > + .dclk_min_div = 1, > + .set_mux = sun8i_r40_tcon_tv_set_mux, > +}; > + > /* sun4i_drv uses this list to check if a device node is a TCON */ > const struct of_device_id sun4i_tcon_of_table[] = { > { .compatible = "allwinner,sun4i-a10-tcon", .data = &sun4i_a10_quirks }, > @@ -1559,6 +1565,8 @@ const struct of_device_id sun4i_tcon_of_table[] = { > { .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks }, > { .compatible = "allwinner,sun9i-a80-tcon-lcd", .data = &sun9i_a80_tcon_lcd_quirks }, > { .compatible = "allwinner,sun9i-a80-tcon-tv", .data = &sun9i_a80_tcon_tv_quirks }, > + { .compatible = "allwinner,sun20i-d1-tcon-lcd", .data = &sun20i_d1_lcd_quirks }, > + { .compatible = "allwinner,sun20i-d1-tcon-tv", .data = &sun8i_r40_tv_quirks }, > { } > }; > MODULE_DEVICE_TABLE(of, sun4i_tcon_of_table); > -- > 2.35.1 > >