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Tue, 25 Mar 2025 02:47:18 -0700 (PDT) Received: from distilledx.localdomain ([2401:4900:6284:2aee:cc35:9d5:d0e6:da4c]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-227811daa2dsm86030465ad.171.2025.03.25.02.47.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Mar 2025 02:47:18 -0700 (PDT) From: Tejas Vipin To: neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, megi@xff.cz, javierm@redhat.com Cc: quic_jesszhan@quicinc.com, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, asrivats@redhat.com, Tejas Vipin Subject: [PATCH v2] drm/panel: himax-hx8394: transition to mipi_dsi wrapped functions Date: Tue, 25 Mar 2025 15:17:07 +0530 Message-ID: <20250325094707.961349-1-tejasvipin76@gmail.com> X-Mailer: git-send-email 2.49.0 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" Changes the himax-hx8394 panel to use multi style functions for improved error handling. Reviewed-by: Dmitry Baryshkov Signed-off-by: Tejas Vipin Reviewed-by: Douglas Anderson --- Changes in v2: - Revert behavior change in hx8394_enable - Move variable declaration to top of function Link to v1: https://lore.kernel.org/all/20250323053007.681346-1-tejasvipin7= 6@gmail.com/ --- drivers/gpu/drm/panel/panel-himax-hx8394.c | 441 ++++++++++----------- 1 file changed, 210 insertions(+), 231 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/p= anel/panel-himax-hx8394.c index 92b03a2f65a3..ff994bf0e3cc 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx8394.c +++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c @@ -80,7 +80,7 @@ struct hx8394_panel_desc { unsigned int lanes; unsigned long mode_flags; enum mipi_dsi_pixel_format format; - int (*init_sequence)(struct hx8394 *ctx); + void (*init_sequence)(struct mipi_dsi_multi_context *dsi_ctx); }; =20 static inline struct hx8394 *panel_to_hx8394(struct drm_panel *panel) @@ -88,98 +88,94 @@ static inline struct hx8394 *panel_to_hx8394(struct drm= _panel *panel) return container_of(panel, struct hx8394, panel); } =20 -static int hsd060bhw4_init_sequence(struct hx8394 *ctx) +static void hsd060bhw4_init_sequence(struct mipi_dsi_multi_context *dsi_ct= x) { - struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); - /* 5.19.8 SETEXTC: Set extension command (B9h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETEXTC, - 0xff, 0x83, 0x94); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETEXTC, + 0xff, 0x83, 0x94); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x48, 0x11, 0x71, 0x09, 0x32, 0x24, 0x71, 0x31, 0x55, 0x30); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x48, 0x11, 0x71, 0x09, 0x32, 0x24, 0x71, 0x31, 0x55, 0x30); =20 /* 5.19.9 SETMIPI: Set MIPI control (BAh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETMIPI, - 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETMIPI, + 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); =20 /* 5.19.3 SETDISP: Set display related register (B2h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETDISP, - 0x00, 0x80, 0x78, 0x0c, 0x07); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETDISP, + 0x00, 0x80, 0x78, 0x0c, 0x07); =20 /* 5.19.4 SETCYC: Set display waveform cycles (B4h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETCYC, - 0x12, 0x63, 0x12, 0x63, 0x12, 0x63, 0x01, 0x0c, 0x7c, 0x55, - 0x00, 0x3f, 0x12, 0x6b, 0x12, 0x6b, 0x12, 0x6b, 0x01, 0x0c, - 0x7c); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETCYC, + 0x12, 0x63, 0x12, 0x63, 0x12, 0x63, 0x01, 0x0c, 0x7c, 0x55, + 0x00, 0x3f, 0x12, 0x6b, 0x12, 0x6b, 0x12, 0x6b, 0x01, 0x0c, + 0x7c); =20 /* 5.19.19 SETGIP0: Set GIP Option0 (D3h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP0, - 0x00, 0x00, 0x00, 0x00, 0x3c, 0x1c, 0x00, 0x00, 0x32, 0x10, - 0x09, 0x00, 0x09, 0x32, 0x15, 0xad, 0x05, 0xad, 0x32, 0x00, - 0x00, 0x00, 0x00, 0x37, 0x03, 0x0b, 0x0b, 0x37, 0x00, 0x00, - 0x00, 0x0c, 0x40); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP0, + 0x00, 0x00, 0x00, 0x00, 0x3c, 0x1c, 0x00, 0x00, 0x32, 0x10, + 0x09, 0x00, 0x09, 0x32, 0x15, 0xad, 0x05, 0xad, 0x32, 0x00, + 0x00, 0x00, 0x00, 0x37, 0x03, 0x0b, 0x0b, 0x37, 0x00, 0x00, + 0x00, 0x0c, 0x40); =20 /* 5.19.20 Set GIP Option1 (D5h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP1, - 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b, 0x1a, 0x1a, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x20, 0x21, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x24, 0x25, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP1, + 0x19, 0x19, 0x18, 0x18, 0x1b, 0x1b, 0x1a, 0x1a, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x20, 0x21, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x24, 0x25, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); =20 /* 5.19.21 Set GIP Option2 (D6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP2, - 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b, 0x1a, 0x1a, 0x07, 0x06, - 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x25, 0x24, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x21, 0x20, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP2, + 0x18, 0x18, 0x19, 0x19, 0x1b, 0x1b, 0x1a, 0x1a, 0x07, 0x06, + 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x25, 0x24, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x21, 0x20, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18); =20 /* 5.19.25 SETGAMMA: Set gamma curve related setting (E0h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGAMMA, - 0x00, 0x04, 0x0c, 0x12, 0x14, 0x18, 0x1a, 0x18, 0x31, 0x3f, - 0x4d, 0x4c, 0x54, 0x65, 0x6b, 0x70, 0x7f, 0x82, 0x7e, 0x8a, - 0x99, 0x4a, 0x48, 0x49, 0x4b, 0x4a, 0x4c, 0x4b, 0x7f, 0x00, - 0x04, 0x0c, 0x11, 0x13, 0x17, 0x1a, 0x18, 0x31, - 0x3f, 0x4d, 0x4c, 0x54, 0x65, 0x6b, 0x70, 0x7f, - 0x82, 0x7e, 0x8a, 0x99, 0x4a, 0x48, 0x49, 0x4b, - 0x4a, 0x4c, 0x4b, 0x7f); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGAMMA, + 0x00, 0x04, 0x0c, 0x12, 0x14, 0x18, 0x1a, 0x18, 0x31, 0x3f, + 0x4d, 0x4c, 0x54, 0x65, 0x6b, 0x70, 0x7f, 0x82, 0x7e, 0x8a, + 0x99, 0x4a, 0x48, 0x49, 0x4b, 0x4a, 0x4c, 0x4b, 0x7f, 0x00, + 0x04, 0x0c, 0x11, 0x13, 0x17, 0x1a, 0x18, 0x31, + 0x3f, 0x4d, 0x4c, 0x54, 0x65, 0x6b, 0x70, 0x7f, + 0x82, 0x7e, 0x8a, 0x99, 0x4a, 0x48, 0x49, 0x4b, + 0x4a, 0x4c, 0x4b, 0x7f); =20 /* 5.19.17 SETPANEL (CCh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPANEL, - 0x0b); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPANEL, + 0x0b); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN1, - 0x1f, 0x31); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN1, + 0x1f, 0x31); =20 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETVCOM, - 0x7d, 0x7d); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETVCOM, + 0x7d, 0x7d); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN3, - 0x02); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN3, + 0x02); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x01); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x01); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x00); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x00); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN3, - 0xed); - - return 0; + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN3, + 0xed); } =20 static const struct drm_display_mode hsd060bhw4_mode =3D { @@ -205,114 +201,110 @@ static const struct hx8394_panel_desc hsd060bhw4_de= sc =3D { .init_sequence =3D hsd060bhw4_init_sequence, }; =20 -static int powkiddy_x55_init_sequence(struct hx8394 *ctx) +static void powkiddy_x55_init_sequence(struct mipi_dsi_multi_context *dsi_= ctx) { - struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); - /* 5.19.8 SETEXTC: Set extension command (B9h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETEXTC, - 0xff, 0x83, 0x94); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETEXTC, + 0xff, 0x83, 0x94); =20 /* 5.19.9 SETMIPI: Set MIPI control (BAh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETMIPI, - 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETMIPI, + 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x48, 0x12, 0x72, 0x09, 0x32, 0x54, 0x71, 0x71, 0x57, 0x47); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x48, 0x12, 0x72, 0x09, 0x32, 0x54, 0x71, 0x71, 0x57, 0x47); =20 /* 5.19.3 SETDISP: Set display related register (B2h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETDISP, - 0x00, 0x80, 0x64, 0x2c, 0x16, 0x2f); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETDISP, + 0x00, 0x80, 0x64, 0x2c, 0x16, 0x2f); =20 /* 5.19.4 SETCYC: Set display waveform cycles (B4h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETCYC, - 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, 0x86, 0x75, - 0x00, 0x3f, 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, - 0x86); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETCYC, + 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, 0x86, 0x75, + 0x00, 0x3f, 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, + 0x86); =20 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETVCOM, - 0x6e, 0x6e); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETVCOM, + 0x6e, 0x6e); =20 /* 5.19.19 SETGIP0: Set GIP Option0 (D3h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP0, - 0x00, 0x00, 0x07, 0x07, 0x40, 0x07, 0x0c, 0x00, 0x08, 0x10, - 0x08, 0x00, 0x08, 0x54, 0x15, 0x0a, 0x05, 0x0a, 0x02, 0x15, - 0x06, 0x05, 0x06, 0x47, 0x44, 0x0a, 0x0a, 0x4b, 0x10, 0x07, - 0x07, 0x0c, 0x40); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP0, + 0x00, 0x00, 0x07, 0x07, 0x40, 0x07, 0x0c, 0x00, 0x08, 0x10, + 0x08, 0x00, 0x08, 0x54, 0x15, 0x0a, 0x05, 0x0a, 0x02, 0x15, + 0x06, 0x05, 0x06, 0x47, 0x44, 0x0a, 0x0a, 0x4b, 0x10, 0x07, + 0x07, 0x0c, 0x40); =20 /* 5.19.20 Set GIP Option1 (D5h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP1, - 0x1c, 0x1c, 0x1d, 0x1d, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, - 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x24, 0x25, 0x18, 0x18, - 0x26, 0x27, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x20, 0x21, - 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP1, + 0x1c, 0x1c, 0x1d, 0x1d, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x24, 0x25, 0x18, 0x18, + 0x26, 0x27, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x20, 0x21, + 0x18, 0x18, 0x18, 0x18); =20 /* 5.19.21 Set GIP Option2 (D6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP2, - 0x1c, 0x1c, 0x1d, 0x1d, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, - 0x01, 0x00, 0x0b, 0x0a, 0x09, 0x08, 0x21, 0x20, 0x18, 0x18, - 0x27, 0x26, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x25, 0x24, - 0x18, 0x18, 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP2, + 0x1c, 0x1c, 0x1d, 0x1d, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, + 0x01, 0x00, 0x0b, 0x0a, 0x09, 0x08, 0x21, 0x20, 0x18, 0x18, + 0x27, 0x26, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x25, 0x24, + 0x18, 0x18, 0x18, 0x18); =20 /* 5.19.25 SETGAMMA: Set gamma curve related setting (E0h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGAMMA, - 0x00, 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, - 0x65, 0x66, 0x6e, 0x82, 0x88, 0x8b, 0x9a, 0x9d, 0x98, 0xa8, - 0xb9, 0x5d, 0x5c, 0x61, 0x66, 0x6a, 0x6f, 0x7f, 0x7f, 0x00, - 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, 0x65, - 0x65, 0x6e, 0x81, 0x87, 0x8b, 0x98, 0x9d, 0x99, 0xa8, 0xba, - 0x5d, 0x5d, 0x62, 0x67, 0x6b, 0x72, 0x7f, 0x7f); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGAMMA, + 0x00, 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, + 0x65, 0x66, 0x6e, 0x82, 0x88, 0x8b, 0x9a, 0x9d, 0x98, 0xa8, + 0xb9, 0x5d, 0x5c, 0x61, 0x66, 0x6a, 0x6f, 0x7f, 0x7f, 0x00, + 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, 0x65, + 0x65, 0x6e, 0x81, 0x87, 0x8b, 0x98, 0x9d, 0x99, 0xa8, 0xba, + 0x5d, 0x5d, 0x62, 0x67, 0x6b, 0x72, 0x7f, 0x7f); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN1, - 0x1f, 0x31); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN1, + 0x1f, 0x31); =20 /* 5.19.17 SETPANEL (CCh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPANEL, - 0x0b); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPANEL, + 0x0b); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN3, - 0x02); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN3, + 0x02); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x02); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x02); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN4, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN4, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x00); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x01); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x01); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x00); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x00); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN5, - 0x40, 0x81, 0x50, 0x00, 0x1a, 0xfc, 0x01); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN5, + 0x40, 0x81, 0x50, 0x00, 0x1a, 0xfc, 0x01); =20 /* Unknown command, not listed in the HX8394-F datasheet */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN2, - 0xed); - - return 0; + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN2, + 0xed); } =20 static const struct drm_display_mode powkiddy_x55_mode =3D { @@ -339,131 +331,127 @@ static const struct hx8394_panel_desc powkiddy_x55_= desc =3D { .init_sequence =3D powkiddy_x55_init_sequence, }; =20 -static int mchp_ac40t08a_init_sequence(struct hx8394 *ctx) +static void mchp_ac40t08a_init_sequence(struct mipi_dsi_multi_context *dsi= _ctx) { - struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); - /* DCS commands do not seem to be sent correclty without this delay */ - msleep(20); + mipi_dsi_msleep(dsi_ctx, 20); =20 /* 5.19.8 SETEXTC: Set extension command (B9h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETEXTC, - 0xff, 0x83, 0x94); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETEXTC, + 0xff, 0x83, 0x94); =20 /* 5.19.9 SETMIPI: Set MIPI control (BAh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETMIPI, - 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETMIPI, + 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x48, 0x12, 0x72, 0x09, 0x32, 0x54, - 0x71, 0x71, 0x57, 0x47); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x48, 0x12, 0x72, 0x09, 0x32, 0x54, + 0x71, 0x71, 0x57, 0x47); =20 /* 5.19.3 SETDISP: Set display related register (B2h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETDISP, - 0x00, 0x80, 0x64, 0x0c, 0x0d, 0x2f); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETDISP, + 0x00, 0x80, 0x64, 0x0c, 0x0d, 0x2f); =20 /* 5.19.4 SETCYC: Set display waveform cycles (B4h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETCYC, - 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, - 0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, - 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, - 0x01, 0x0c, 0x86); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETCYC, + 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, + 0x01, 0x0c, 0x86, 0x75, 0x00, 0x3f, + 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, + 0x01, 0x0c, 0x86); =20 /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETVCOM, - 0x6e, 0x6e); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETVCOM, + 0x6e, 0x6e); =20 /* 5.19.19 SETGIP0: Set GIP Option0 (D3h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP0, - 0x00, 0x00, 0x07, 0x07, 0x40, 0x07, - 0x0c, 0x00, 0x08, 0x10, 0x08, 0x00, - 0x08, 0x54, 0x15, 0x0a, 0x05, 0x0a, - 0x02, 0x15, 0x06, 0x05, 0x06, 0x47, - 0x44, 0x0a, 0x0a, 0x4b, 0x10, 0x07, - 0x07, 0x0c, 0x40); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP0, + 0x00, 0x00, 0x07, 0x07, 0x40, 0x07, + 0x0c, 0x00, 0x08, 0x10, 0x08, 0x00, + 0x08, 0x54, 0x15, 0x0a, 0x05, 0x0a, + 0x02, 0x15, 0x06, 0x05, 0x06, 0x47, + 0x44, 0x0a, 0x0a, 0x4b, 0x10, 0x07, + 0x07, 0x0c, 0x40); =20 /* 5.19.20 Set GIP Option1 (D5h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP1, - 0x1c, 0x1c, 0x1d, 0x1d, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x24, 0x25, - 0x18, 0x18, 0x26, 0x27, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x20, 0x21, 0x18, 0x18, - 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP1, + 0x1c, 0x1c, 0x1d, 0x1d, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x24, 0x25, + 0x18, 0x18, 0x26, 0x27, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x20, 0x21, 0x18, 0x18, + 0x18, 0x18); =20 /* 5.19.21 Set GIP Option2 (D6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP2, - 0x1c, 0x1c, 0x1d, 0x1d, 0x07, 0x06, - 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, - 0x0b, 0x0a, 0x09, 0x08, 0x21, 0x20, - 0x18, 0x18, 0x27, 0x26, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, - 0x18, 0x18, 0x25, 0x24, 0x18, 0x18, - 0x18, 0x18); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGIP2, + 0x1c, 0x1c, 0x1d, 0x1d, 0x07, 0x06, + 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, + 0x0b, 0x0a, 0x09, 0x08, 0x21, 0x20, + 0x18, 0x18, 0x27, 0x26, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x25, 0x24, 0x18, 0x18, + 0x18, 0x18); =20 /* 5.19.25 SETGAMMA: Set gamma curve related setting (E0h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGAMMA, - 0x00, 0x0a, 0x15, 0x1b, 0x1e, 0x21, - 0x24, 0x22, 0x47, 0x56, 0x65, 0x66, - 0x6e, 0x82, 0x88, 0x8b, 0x9a, 0x9d, - 0x98, 0xa8, 0xb9, 0x5d, 0x5c, 0x61, - 0x66, 0x6a, 0x6f, 0x7f, 0x7f, 0x00, - 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, - 0x22, 0x47, 0x56, 0x65, 0x65, 0x6e, - 0x81, 0x87, 0x8b, 0x98, 0x9d, 0x99, - 0xa8, 0xba, 0x5d, 0x5d, 0x62, 0x67, - 0x6b, 0x72, 0x7f, 0x7f); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETGAMMA, + 0x00, 0x0a, 0x15, 0x1b, 0x1e, 0x21, + 0x24, 0x22, 0x47, 0x56, 0x65, 0x66, + 0x6e, 0x82, 0x88, 0x8b, 0x9a, 0x9d, + 0x98, 0xa8, 0xb9, 0x5d, 0x5c, 0x61, + 0x66, 0x6a, 0x6f, 0x7f, 0x7f, 0x00, + 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, + 0x22, 0x47, 0x56, 0x65, 0x65, 0x6e, + 0x81, 0x87, 0x8b, 0x98, 0x9d, 0x99, + 0xa8, 0xba, 0x5d, 0x5d, 0x62, 0x67, + 0x6b, 0x72, 0x7f, 0x7f); =20 /* Unknown command, not listed in the HX8394-F datasheet (C0H) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN1, - 0x1f, 0x73); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN1, + 0x1f, 0x73); =20 /* Set CABC control (C9h)*/ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETCABC, - 0x76, 0x00, 0x30); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETCABC, + 0x76, 0x00, 0x30); =20 /* 5.19.17 SETPANEL (CCh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPANEL, - 0x0b); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPANEL, + 0x0b); =20 /* Unknown command, not listed in the HX8394-F datasheet (D4h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN3, - 0x02); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN3, + 0x02); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x02); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x02); =20 /* 5.19.11 Set register bank (D8h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN4, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN4, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x00); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x01); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x01); =20 /* 5.19.2 SETPOWER: Set power (B1h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETPOWER, + 0x00); =20 /* 5.19.11 Set register bank (BDh) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, - 0x00); + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_SETREGBANK, + 0x00); =20 /* Unknown command, not listed in the HX8394-F datasheet (C6h) */ - mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN2, - 0xed); - - return 0; + mipi_dsi_dcs_write_seq_multi(dsi_ctx, HX8394_CMD_UNKNOWN2, + 0xed); } =20 static const struct drm_display_mode mchp_ac40t08a_mode =3D { @@ -493,35 +481,31 @@ static int hx8394_enable(struct drm_panel *panel) { struct hx8394 *ctx =3D panel_to_hx8394(panel); struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); + struct mipi_dsi_multi_context dsi_ctx =3D { .dsi =3D dsi }; int ret; =20 - ret =3D ctx->desc->init_sequence(ctx); - if (ret) { - dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); - return ret; - } + ctx->desc->init_sequence(&dsi_ctx); =20 - ret =3D mipi_dsi_dcs_exit_sleep_mode(dsi); - if (ret) { - dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); - return ret; - } + mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); =20 + if (dsi_ctx.accum_err) + return dsi_ctx.accum_err; /* Panel is operational 120 msec after reset */ msleep(120); =20 - ret =3D mipi_dsi_dcs_set_display_on(dsi); - if (ret) { - dev_err(ctx->dev, "Failed to turn on the display: %d\n", ret); + mipi_dsi_dcs_set_display_on_multi(&dsi_ctx); + if (dsi_ctx.accum_err) goto sleep_in; - } =20 return 0; =20 sleep_in: + ret =3D dsi_ctx.accum_err; + dsi_ctx.accum_err =3D 0; + /* This will probably fail, but let's try orderly power off anyway. */ - if (!mipi_dsi_dcs_enter_sleep_mode(dsi)) - msleep(50); + mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); + mipi_dsi_msleep(&dsi_ctx, 50); =20 return ret; } @@ -530,17 +514,12 @@ static int hx8394_disable(struct drm_panel *panel) { struct hx8394 *ctx =3D panel_to_hx8394(panel); struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); - int ret; - - ret =3D mipi_dsi_dcs_enter_sleep_mode(dsi); - if (ret) { - dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret); - return ret; - } + struct mipi_dsi_multi_context dsi_ctx =3D { .dsi =3D dsi }; =20 - msleep(50); /* about 3 frames */ + mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); + mipi_dsi_msleep(&dsi_ctx, 50); /* about 3 frames */ =20 - return 0; + return dsi_ctx.accum_err; } =20 static int hx8394_unprepare(struct drm_panel *panel) --=20 2.49.0