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([2a01:e0a:3d9:2080:3030:f63e:fedd:700f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4589ee57c18sm171568985e9.28.2025.08.04.08.16.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Aug 2025 08:16:32 -0700 (PDT) Message-ID: <6053afaa-b7eb-4be3-8c57-717c40465bda@linaro.org> Date: Mon, 4 Aug 2025 17:16:31 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: neil.armstrong@linaro.org Subject: Re: [PATCH 06/13] drm/panel: ilitek-ili9881c: Add Bestar BSD1218-A101KL68 support To: Heiko Stuebner Cc: quic_jesszhan@quicinc.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, hjc@rock-chips.com, andy.yan@rock-chips.com, andyshrk@163.com, nicolas.frattaroli@collabora.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org References: <20250707164906.1445288-1-heiko@sntech.de> <20250707164906.1445288-7-heiko@sntech.de> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa 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Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250804_081634_124207_739EDD03 X-CRM114-Status: GOOD ( 14.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Neil Armstrong Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 07/07/2025 18:48, Heiko Stuebner wrote: > Add support for the Bestar BSD1218-A101KL68 panel. > > The init table comes from the Firefly BSP ([1]). > > [1] https://gitlab.com/firefly-linux/kernel/-/blob/rk3588/firefly/arch/arm64/boot/dts/rockchip/aio-3588l-mipi101-BSD1218-A101KL68.dtsi > > Signed-off-by: Heiko Stuebner > --- > drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 220 ++++++++++++++++++ > 1 file changed, 220 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > index 154eea5f4d77..3095a8bd1ebf 100644 > --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > @@ -1223,6 +1223,200 @@ static const struct ili9881c_instr am8001280g_init[] = { > ILI9881C_COMMAND_INSTR(MIPI_DCS_WRITE_POWER_SAVE, 0x00), > }; > > +static const struct ili9881c_instr bsd1218_a101kl68_init[] = { > + ILI9881C_SWITCH_PAGE_INSTR(3), > + ILI9881C_COMMAND_INSTR(0x01, 0x00), > + ILI9881C_COMMAND_INSTR(0x02, 0x00), > + ILI9881C_COMMAND_INSTR(0x03, 0x55), > + ILI9881C_COMMAND_INSTR(0x04, 0x55), > + ILI9881C_COMMAND_INSTR(0x05, 0x03), > + ILI9881C_COMMAND_INSTR(0x06, 0x06), > + ILI9881C_COMMAND_INSTR(0x07, 0x00), > + ILI9881C_COMMAND_INSTR(0x08, 0x07), > + ILI9881C_COMMAND_INSTR(0x09, 0x00), > + ILI9881C_COMMAND_INSTR(0x0a, 0x00), > + ILI9881C_COMMAND_INSTR(0x0b, 0x00), > + ILI9881C_COMMAND_INSTR(0x0c, 0x00), > + ILI9881C_COMMAND_INSTR(0x0d, 0x00), > + ILI9881C_COMMAND_INSTR(0x0e, 0x00), > + ILI9881C_COMMAND_INSTR(0x0f, 0x00), > + ILI9881C_COMMAND_INSTR(0x10, 0x00), > + ILI9881C_COMMAND_INSTR(0x11, 0x00), > + ILI9881C_COMMAND_INSTR(0x12, 0x00), > + ILI9881C_COMMAND_INSTR(0x13, 0x00), > + ILI9881C_COMMAND_INSTR(0x14, 0x00), > + ILI9881C_COMMAND_INSTR(0x15, 0x00), > + ILI9881C_COMMAND_INSTR(0x16, 0x00), > + ILI9881C_COMMAND_INSTR(0x17, 0x00), > + ILI9881C_COMMAND_INSTR(0x18, 0x00), > + ILI9881C_COMMAND_INSTR(0x19, 0x00), > + ILI9881C_COMMAND_INSTR(0x1a, 0x00), > + ILI9881C_COMMAND_INSTR(0x1b, 0x00), > + ILI9881C_COMMAND_INSTR(0x1c, 0x00), > + ILI9881C_COMMAND_INSTR(0x1d, 0x00), > + ILI9881C_COMMAND_INSTR(0x1e, 0xc0), > + ILI9881C_COMMAND_INSTR(0x1f, 0x80), > + ILI9881C_COMMAND_INSTR(0x20, 0x04), > + ILI9881C_COMMAND_INSTR(0x21, 0x03), > + ILI9881C_COMMAND_INSTR(0x22, 0x00), > + ILI9881C_COMMAND_INSTR(0x23, 0x00), > + ILI9881C_COMMAND_INSTR(0x24, 0x00), > + ILI9881C_COMMAND_INSTR(0x25, 0x00), > + ILI9881C_COMMAND_INSTR(0x26, 0x00), > + ILI9881C_COMMAND_INSTR(0x27, 0x00), > + ILI9881C_COMMAND_INSTR(0x28, 0x33), > + ILI9881C_COMMAND_INSTR(0x29, 0x33), > + ILI9881C_COMMAND_INSTR(0x2a, 0x00), > + ILI9881C_COMMAND_INSTR(0x2b, 0x00), > + ILI9881C_COMMAND_INSTR(0x2c, 0x00), > + ILI9881C_COMMAND_INSTR(0x2d, 0x00), > + ILI9881C_COMMAND_INSTR(0x2e, 0x00), > + ILI9881C_COMMAND_INSTR(0x2f, 0x00), > + ILI9881C_COMMAND_INSTR(0x30, 0x00), > + ILI9881C_COMMAND_INSTR(0x31, 0x00), > + ILI9881C_COMMAND_INSTR(0x32, 0x00), > + ILI9881C_COMMAND_INSTR(0x33, 0x00), > + ILI9881C_COMMAND_INSTR(0x34, 0x04), > + ILI9881C_COMMAND_INSTR(0x35, 0x00), > + ILI9881C_COMMAND_INSTR(0x36, 0x00), > + ILI9881C_COMMAND_INSTR(0x37, 0x00), > + ILI9881C_COMMAND_INSTR(0x38, 0x3c), > + ILI9881C_COMMAND_INSTR(0x39, 0x00), > + ILI9881C_COMMAND_INSTR(0x3a, 0x00), > + ILI9881C_COMMAND_INSTR(0x3b, 0x00), > + ILI9881C_COMMAND_INSTR(0x3c, 0x00), > + ILI9881C_COMMAND_INSTR(0x3d, 0x00), > + ILI9881C_COMMAND_INSTR(0x3e, 0x00), > + ILI9881C_COMMAND_INSTR(0x3f, 0x00), > + ILI9881C_COMMAND_INSTR(0x40, 0x00), > + ILI9881C_COMMAND_INSTR(0x41, 0x00), > + ILI9881C_COMMAND_INSTR(0x42, 0x00), > + ILI9881C_COMMAND_INSTR(0x43, 0x00), > + ILI9881C_COMMAND_INSTR(0x44, 0x00), > + ILI9881C_COMMAND_INSTR(0x50, 0x00), > + ILI9881C_COMMAND_INSTR(0x51, 0x11), > + ILI9881C_COMMAND_INSTR(0x52, 0x44), > + ILI9881C_COMMAND_INSTR(0x53, 0x55), > + ILI9881C_COMMAND_INSTR(0x54, 0x88), > + ILI9881C_COMMAND_INSTR(0x55, 0xab), > + ILI9881C_COMMAND_INSTR(0x56, 0x00), > + ILI9881C_COMMAND_INSTR(0x57, 0x11), > + ILI9881C_COMMAND_INSTR(0x58, 0x22), > + ILI9881C_COMMAND_INSTR(0x59, 0x33), > + ILI9881C_COMMAND_INSTR(0x5a, 0x44), > + ILI9881C_COMMAND_INSTR(0x5b, 0x55), > + ILI9881C_COMMAND_INSTR(0x5c, 0x66), > + ILI9881C_COMMAND_INSTR(0x5d, 0x77), > + ILI9881C_COMMAND_INSTR(0x5e, 0x00), > + ILI9881C_COMMAND_INSTR(0x5f, 0x02), > + ILI9881C_COMMAND_INSTR(0x60, 0x02), > + ILI9881C_COMMAND_INSTR(0x61, 0x0a), > + ILI9881C_COMMAND_INSTR(0x62, 0x09), > + ILI9881C_COMMAND_INSTR(0x63, 0x08), > + ILI9881C_COMMAND_INSTR(0x64, 0x13), > + ILI9881C_COMMAND_INSTR(0x65, 0x12), > + ILI9881C_COMMAND_INSTR(0x66, 0x11), > + ILI9881C_COMMAND_INSTR(0x67, 0x10), > + ILI9881C_COMMAND_INSTR(0x68, 0x0f), > + ILI9881C_COMMAND_INSTR(0x69, 0x0e), > + ILI9881C_COMMAND_INSTR(0x6a, 0x0d), > + ILI9881C_COMMAND_INSTR(0x6b, 0x0c), > + ILI9881C_COMMAND_INSTR(0x6c, 0x06), > + ILI9881C_COMMAND_INSTR(0x6d, 0x07), > + ILI9881C_COMMAND_INSTR(0x6e, 0x02), > + ILI9881C_COMMAND_INSTR(0x6f, 0x02), > + ILI9881C_COMMAND_INSTR(0x70, 0x02), > + ILI9881C_COMMAND_INSTR(0x71, 0x02), > + ILI9881C_COMMAND_INSTR(0x72, 0x02), > + ILI9881C_COMMAND_INSTR(0x73, 0x02), > + ILI9881C_COMMAND_INSTR(0x74, 0x02), > + ILI9881C_COMMAND_INSTR(0x75, 0x02), > + ILI9881C_COMMAND_INSTR(0x76, 0x02), > + ILI9881C_COMMAND_INSTR(0x77, 0x0a), > + ILI9881C_COMMAND_INSTR(0x78, 0x06), > + ILI9881C_COMMAND_INSTR(0x79, 0x07), > + ILI9881C_COMMAND_INSTR(0x7a, 0x10), > + ILI9881C_COMMAND_INSTR(0x7b, 0x11), > + ILI9881C_COMMAND_INSTR(0x7c, 0x12), > + ILI9881C_COMMAND_INSTR(0x7d, 0x13), > + ILI9881C_COMMAND_INSTR(0x7e, 0x0c), > + ILI9881C_COMMAND_INSTR(0x7f, 0x0d), > + ILI9881C_COMMAND_INSTR(0x80, 0x0e), > + ILI9881C_COMMAND_INSTR(0x81, 0x0f), > + ILI9881C_COMMAND_INSTR(0x82, 0x09), > + ILI9881C_COMMAND_INSTR(0x83, 0x08), > + ILI9881C_COMMAND_INSTR(0x84, 0x02), > + ILI9881C_COMMAND_INSTR(0x85, 0x02), > + ILI9881C_COMMAND_INSTR(0x86, 0x02), > + ILI9881C_COMMAND_INSTR(0x87, 0x02), > + ILI9881C_COMMAND_INSTR(0x88, 0x02), > + ILI9881C_COMMAND_INSTR(0x89, 0x02), > + ILI9881C_COMMAND_INSTR(0x8a, 0x02), > + > + ILI9881C_SWITCH_PAGE_INSTR(4), > + ILI9881C_COMMAND_INSTR(0x6e, 0x2a), > + ILI9881C_COMMAND_INSTR(0x6f, 0x37), > + ILI9881C_COMMAND_INSTR(0x3a, 0x24), > + ILI9881C_COMMAND_INSTR(0x8d, 0x19), > + ILI9881C_COMMAND_INSTR(0x87, 0xba), > + ILI9881C_COMMAND_INSTR(0xb2, 0xd1), > + ILI9881C_COMMAND_INSTR(0x88, 0x0b), > + ILI9881C_COMMAND_INSTR(0x38, 0x01), > + ILI9881C_COMMAND_INSTR(0x39, 0x00), > + ILI9881C_COMMAND_INSTR(0xb5, 0x02), > + ILI9881C_COMMAND_INSTR(0x31, 0x25), > + ILI9881C_COMMAND_INSTR(0x3b, 0x98), > + > + ILI9881C_SWITCH_PAGE_INSTR(1), > + ILI9881C_COMMAND_INSTR(0x22, 0x0a), > + ILI9881C_COMMAND_INSTR(0x31, 0x0c), > + ILI9881C_COMMAND_INSTR(0x53, 0x40), > + ILI9881C_COMMAND_INSTR(0x55, 0x45), > + ILI9881C_COMMAND_INSTR(0x50, 0xb7), > + ILI9881C_COMMAND_INSTR(0x51, 0xb2), > + ILI9881C_COMMAND_INSTR(0x60, 0x07), > + ILI9881C_COMMAND_INSTR(0xa0, 0x22), > + ILI9881C_COMMAND_INSTR(0xa1, 0x3f), > + ILI9881C_COMMAND_INSTR(0xa2, 0x4e), > + ILI9881C_COMMAND_INSTR(0xa3, 0x17), > + ILI9881C_COMMAND_INSTR(0xa4, 0x1a), > + ILI9881C_COMMAND_INSTR(0xa5, 0x2d), > + ILI9881C_COMMAND_INSTR(0xa6, 0x21), > + ILI9881C_COMMAND_INSTR(0xa7, 0x22), > + ILI9881C_COMMAND_INSTR(0xa8, 0xc4), > + ILI9881C_COMMAND_INSTR(0xa9, 0x1b), > + ILI9881C_COMMAND_INSTR(0xaa, 0x25), > + ILI9881C_COMMAND_INSTR(0xab, 0xa7), > + ILI9881C_COMMAND_INSTR(0xac, 0x1a), > + ILI9881C_COMMAND_INSTR(0xad, 0x19), > + ILI9881C_COMMAND_INSTR(0xae, 0x4b), > + ILI9881C_COMMAND_INSTR(0xaf, 0x1f), > + ILI9881C_COMMAND_INSTR(0xb0, 0x2a), > + ILI9881C_COMMAND_INSTR(0xb1, 0x59), > + ILI9881C_COMMAND_INSTR(0xb2, 0x64), > + ILI9881C_COMMAND_INSTR(0xb3, 0x3f), > + ILI9881C_COMMAND_INSTR(0xc0, 0x22), > + ILI9881C_COMMAND_INSTR(0xc1, 0x48), > + ILI9881C_COMMAND_INSTR(0xc2, 0x59), > + ILI9881C_COMMAND_INSTR(0xc3, 0x15), > + ILI9881C_COMMAND_INSTR(0xc4, 0x15), > + ILI9881C_COMMAND_INSTR(0xc5, 0x28), > + ILI9881C_COMMAND_INSTR(0xc6, 0x1c), > + ILI9881C_COMMAND_INSTR(0xc7, 0x1e), > + ILI9881C_COMMAND_INSTR(0xc8, 0xc4), > + ILI9881C_COMMAND_INSTR(0xc9, 0x1c), > + ILI9881C_COMMAND_INSTR(0xca, 0x2b), > + ILI9881C_COMMAND_INSTR(0xcb, 0xa3), > + ILI9881C_COMMAND_INSTR(0xcc, 0x1f), > + ILI9881C_COMMAND_INSTR(0xcd, 0x1e), > + ILI9881C_COMMAND_INSTR(0xce, 0x52), > + ILI9881C_COMMAND_INSTR(0xcf, 0x24), > + ILI9881C_COMMAND_INSTR(0xd0, 0x2a), > + ILI9881C_COMMAND_INSTR(0xd1, 0x58), > + ILI9881C_COMMAND_INSTR(0xd2, 0x68), > + ILI9881C_COMMAND_INSTR(0xd3, 0x3f), > +}; > + > static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel) > { > return container_of(panel, struct ili9881c, panel); > @@ -1418,6 +1612,23 @@ static const struct drm_display_mode am8001280g_default_mode = { > .height_mm = 151, > }; > > +static const struct drm_display_mode bsd1218_a101kl68_default_mode = { > + .clock = 70000, > + > + .hdisplay = 800, > + .hsync_start = 800 + 40, > + .hsync_end = 800 + 40 + 20, > + .htotal = 800 + 40 + 20 + 20, > + > + .vdisplay = 1280, > + .vsync_start = 1280 + 20, > + .vsync_end = 1280 + 20 + 4, > + .vtotal = 1280 + 20 + 4 + 20, > + > + .width_mm = 120, > + .height_mm = 170, > +}; > + > static int ili9881c_get_modes(struct drm_panel *panel, > struct drm_connector *connector) > { > @@ -1576,8 +1787,17 @@ static const struct ili9881c_desc am8001280g_desc = { > MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, > }; > > +static const struct ili9881c_desc bsd1218_a101kl68_desc = { > + .init = bsd1218_a101kl68_init, > + .init_length = ARRAY_SIZE(bsd1218_a101kl68_init), > + .mode = &bsd1218_a101kl68_default_mode, > + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | > + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, > +}; > + > static const struct of_device_id ili9881c_of_match[] = { > { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc }, > + { .compatible = "bestar,bsd1218-a101kl68", .data = &bsd1218_a101kl68_desc }, > { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc }, > { .compatible = "startek,kd050hdfia020", .data = &kd050hdfia020_desc }, > { .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc }, Reviewed-by: Neil Armstrong