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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-378d67db8fesm10375671fa.38.2025.10.24.03.57.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 03:57:31 -0700 (PDT) From: Marcus Folkesson Date: Fri, 24 Oct 2025 12:56:52 +0200 Subject: [PATCH 1/6] drm/sitronix/st7571-i2c: rename 'struct drm_device' in st7571_device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251024-st7571-split-v1-1-d3092b98130f@gmail.com> References: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> In-Reply-To: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7030; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=uQbA0rKYunCTI3/XflhoFu8URyEuC+L2ECojxVblZ4c=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo+1t80dRfpAEIGXfmXC3DFUw8j0Hdkb5Uhx97Q CpMIGEfEjqJAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaPtbfAAKCRCIgE5vWV1S Mgw0D/4icAPFotSrOzvHs8S/7LeLSts4UJKr8NiINmca5vtlUf4PhZagPe8rHKjoqKEa96sX/oa 6lDDvBPHjZm810XWnV8jfwpG1LDl0ZlyT9rEHN5b4j5i1uHz/grfxTXK9989+MbgpdEr6excNbQ CL3GnNLZ+ay0j1Ae1rYbEU0vL9PsU18ueI5iFSQT8fRL7um+8/zYI7439JsPZqvychszuuhRC8b 0un043V+zdX7z06/OGDdRydHcWSS9abkT+xTp1n4k2f5f9wBFg4hSvUBOLPkN8D60Ig150Xe6Og nswjdfErzE0B5+KzpCEtxcB2K2ns0Dgv0LW6BMjSOZYWYWNzAGsus71fF4GmvEWCBiFxETNqcNd vrvffTqsvPH54nPqGhIlDPtroVdS4HgPjtJQNWnQlZQCTekgUqyKufJbtroQHq0C2P94hyPRBMe 7ot+bDhQpagGAr/j7viH0RE69kJ9oewDa42mFA2W11hung6KMnCoKANipQDw/GPSlKQuXJzsUhs abEZfG1Zvk9lAPyJ6FCJY3YaCWFoMdorrXQyTUTktqPPkeMv2mxoXTo1W11uyjBXdj03cDZTy+g tNIwdAa2DKOU0ahIFqeAQlmXYxK1I7sAZH5Lum2jc6YOKRLJXhxQJnBJ6uxBIbknECQe9GtYGYF 6b3Yx1FxwOw6MKw== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Rename st7571_device.dev to st7571_device.drm in preparation to introduce a 'struct device' member to this structure. Signed-off-by: Marcus Folkesson --- drivers/gpu/drm/sitronix/st7571-i2c.c | 60 +++++++++++++++++--------------= ---- 1 file changed, 30 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 4e73c8b415d677dab5b421666b56f4bb3697b982..71814a3eb93b7adf554da082a02= 37da371e5f5b5 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -112,7 +112,7 @@ struct st7571_panel_format { }; =20 struct st7571_device { - struct drm_device dev; + struct drm_device drm; =20 struct drm_plane primary_plane; struct drm_crtc crtc; @@ -166,9 +166,9 @@ struct st7571_device { u8 *row; }; =20 -static inline struct st7571_device *drm_to_st7571(struct drm_device *dev) +static inline struct st7571_device *drm_to_st7571(struct drm_device *drm) { - return container_of(dev, struct st7571_device, dev); + return container_of(drm, struct st7571_device, drm); } =20 static int st7571_regmap_write(void *context, const void *data, size_t cou= nt) @@ -467,7 +467,7 @@ static void st7571_primary_plane_helper_atomic_update(s= truct drm_plane *plane, struct drm_shadow_plane_state *shadow_plane_state =3D to_drm_shadow_plane= _state(plane_state); struct drm_framebuffer *fb =3D plane_state->fb; struct drm_atomic_helper_damage_iter iter; - struct drm_device *dev =3D plane->dev; + struct drm_device *drm =3D plane->dev; struct drm_rect damage; struct st7571_device *st7571 =3D drm_to_st7571(plane->dev); int ret, idx; @@ -479,7 +479,7 @@ static void st7571_primary_plane_helper_atomic_update(s= truct drm_plane *plane, if (ret) return; =20 - if (!drm_dev_enter(dev, &idx)) + if (!drm_dev_enter(drm, &idx)) goto out_drm_gem_fb_end_cpu_access; =20 drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state); @@ -501,11 +501,11 @@ static void st7571_primary_plane_helper_atomic_update= (struct drm_plane *plane, static void st7571_primary_plane_helper_atomic_disable(struct drm_plane *p= lane, struct drm_atomic_state *state) { - struct drm_device *dev =3D plane->dev; + struct drm_device *drm =3D plane->dev; struct st7571_device *st7571 =3D drm_to_st7571(plane->dev); int idx; =20 - if (!drm_dev_enter(dev, &idx)) + if (!drm_dev_enter(drm, &idx)) return; =20 st7571_fb_clear_screen(st7571); @@ -621,20 +621,20 @@ static struct drm_display_mode st7571_mode(struct st7= 571_device *st7571) =20 static int st7571_mode_config_init(struct st7571_device *st7571) { - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; const struct st7571_panel_constraints *constraints =3D &st7571->pdata->co= nstraints; int ret; =20 - ret =3D drmm_mode_config_init(dev); + ret =3D drmm_mode_config_init(drm); if (ret) return ret; =20 - dev->mode_config.min_width =3D constraints->min_ncols; - dev->mode_config.min_height =3D constraints->min_nlines; - dev->mode_config.max_width =3D constraints->max_ncols; - dev->mode_config.max_height =3D constraints->max_nlines; - dev->mode_config.preferred_depth =3D 24; - dev->mode_config.funcs =3D &st7571_mode_config_funcs; + drm->mode_config.min_width =3D constraints->min_ncols; + drm->mode_config.min_height =3D constraints->min_nlines; + drm->mode_config.max_width =3D constraints->max_ncols; + drm->mode_config.max_height =3D constraints->max_nlines; + drm->mode_config.preferred_depth =3D 24; + drm->mode_config.funcs =3D &st7571_mode_config_funcs; =20 return 0; } @@ -643,10 +643,10 @@ static int st7571_plane_init(struct st7571_device *st= 7571, const struct st7571_panel_format *pformat) { struct drm_plane *primary_plane =3D &st7571->primary_plane; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_universal_plane_init(dev, primary_plane, 0, + ret =3D drm_universal_plane_init(drm, primary_plane, 0, &st7571_primary_plane_funcs, pformat->formats, pformat->nformats, @@ -665,10 +665,10 @@ static int st7571_crtc_init(struct st7571_device *st7= 571) { struct drm_plane *primary_plane =3D &st7571->primary_plane; struct drm_crtc *crtc =3D &st7571->crtc; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL, + ret =3D drm_crtc_init_with_planes(drm, crtc, primary_plane, NULL, &st7571_crtc_funcs, NULL); if (ret) return ret; @@ -682,10 +682,10 @@ static int st7571_encoder_init(struct st7571_device *= st7571) { struct drm_encoder *encoder =3D &st7571->encoder; struct drm_crtc *crtc =3D &st7571->crtc; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_encoder_init(dev, encoder, &st7571_encoder_funcs, DRM_MODE_EN= CODER_NONE, NULL); + ret =3D drm_encoder_init(drm, encoder, &st7571_encoder_funcs, DRM_MODE_EN= CODER_NONE, NULL); if (ret) return ret; =20 @@ -700,10 +700,10 @@ static int st7571_connector_init(struct st7571_device= *st7571) { struct drm_connector *connector =3D &st7571->connector; struct drm_encoder *encoder =3D &st7571->encoder; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_connector_init(dev, connector, &st7571_connector_funcs, + ret =3D drm_connector_init(drm, connector, &st7571_connector_funcs, DRM_MODE_CONNECTOR_Unknown); if (ret) return ret; @@ -934,15 +934,15 @@ static int st7571_lcd_init(struct st7571_device *st75= 71) static int st7571_probe(struct i2c_client *client) { struct st7571_device *st7571; - struct drm_device *dev; + struct drm_device *drm; int ret; =20 st7571 =3D devm_drm_dev_alloc(&client->dev, &st7571_driver, - struct st7571_device, dev); + struct st7571_device, drm); if (IS_ERR(st7571)) return PTR_ERR(st7571); =20 - dev =3D &st7571->dev; + drm =3D &st7571->drm; st7571->client =3D client; i2c_set_clientdata(client, st7571); st7571->pdata =3D device_get_match_data(&client->dev); @@ -1010,14 +1010,14 @@ static int st7571_probe(struct i2c_client *client) return dev_err_probe(&client->dev, ret, "Failed to initialize connector\n"); =20 - drm_mode_config_reset(dev); + drm_mode_config_reset(drm); =20 - ret =3D drm_dev_register(dev, 0); + ret =3D drm_dev_register(drm, 0); if (ret) return dev_err_probe(&client->dev, ret, "Failed to register DRM device\n"); =20 - drm_client_setup(dev, NULL); + drm_client_setup(drm, NULL); return 0; } =20 @@ -1025,7 +1025,7 @@ static void st7571_remove(struct i2c_client *client) { struct st7571_device *st7571 =3D i2c_get_clientdata(client); =20 - drm_dev_unplug(&st7571->dev); 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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-378d67db8fesm10375671fa.38.2025.10.24.03.57.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 03:57:33 -0700 (PDT) From: Marcus Folkesson Date: Fri, 24 Oct 2025 12:56:53 +0200 Subject: [PATCH 2/6] drm/sitronix/st7571-i2c: add 'struct device' to st7571_device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251024-st7571-split-v1-2-d3092b98130f@gmail.com> References: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> In-Reply-To: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4484; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=LfOcWsXvHf24Rmlqiz3/HxiBo5dw0vDuG1TwXuVbpUw=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo+1uBJtoReNeQpGPnf9grYHc5UoxKbA4Kyu5cC CaRuM790I2JAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaPtbgQAKCRCIgE5vWV1S MlnoD/4s36kKAjNEWR+7hAVQ9SN+DEYe3XbUGK0AhlenjxjuvEznj9kv9Rch29yP2XhCmHE+GHC 1CsxW5P7IXBEvTM3tuAJN7Ys4B5XXXRyiazz1LLmre+4lSkWmh7ukJcgoy1jCLzIIUCY9NgHimK 7PkQMhOXgkNAw4TlQlBgvrxv2TReCEA19SES2cvaOZBva87BrbBwZOsGoECsuGU6+97Pwvg+9Pi fwrue9gdRUHIVZv09BI8WAPVOtlq6ojHfVVJtbSTiegNYRijGIwsVkJfHg0unsvRYpjpxnZ6AzX 1PXyADKhgiYDCMgZq4Vh8GzsdFdh2B2DaA9C8mECPqF1jw100nrbpdTdQPejKc+/KuRFDUi6hZv oK7verRQS1Vk0FRoHgIO6pcCTK8BYR2sg9ezXGMYqNJmIw2BoF6oc3RJvmoE/LNRsyw2CCCIKr8 47iZaI9Mk6OMb9DDox3KR1zEHgYGh1dncx+L0SX+D+hMPdKeOlDZBAati8IERmJEAW0IzsLG13E AqJQpRrQcGeMrF4dfoi3pIvtrwrVZLpkO5btb22tbuvAUXjxH7Z6RerEEWFkzzQlApNHOc5DTJ8 fo3cFE21WOfNmghuv7DgQbZ1FXaTUiuZBjz51sijFAbtYS0Gtw9ee5GHijYf1fdusoOObHxkkPF 9KlIxa2EqcW22Fg== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Keep a copy of the device structure instead of referring to i2c_client. This is a preparation step to separate the generic part from all i2c stuff. Signed-off-by: Marcus Folkesson --- drivers/gpu/drm/sitronix/st7571-i2c.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 71814a3eb93b7adf554da082a0237da371e5f5b5..2b52919d7dd434bb16aa66274ea= e8730649f62f1 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -113,6 +113,7 @@ struct st7571_panel_format { =20 struct st7571_device { struct drm_device drm; + struct device *dev; =20 struct drm_plane primary_plane; struct drm_crtc crtc; @@ -741,7 +742,7 @@ static const struct regmap_config st7571_regmap_config = =3D { =20 static int st7571_validate_parameters(struct st7571_device *st7571) { - struct device *dev =3D st7571->dev.dev; + struct device *dev =3D st7571->dev; const struct st7571_panel_constraints *constraints =3D &st7571->pdata->co= nstraints; =20 if (st7571->width_mm =3D=3D 0) { @@ -781,7 +782,7 @@ static int st7571_validate_parameters(struct st7571_dev= ice *st7571) =20 static int st7567_parse_dt(struct st7571_device *st7567) { - struct device *dev =3D &st7567->client->dev; + struct device *dev =3D st7567->dev; struct device_node *np =3D dev->of_node; struct display_timing dt; int ret; @@ -808,7 +809,7 @@ static int st7567_parse_dt(struct st7571_device *st7567) =20 static int st7571_parse_dt(struct st7571_device *st7571) { - struct device *dev =3D &st7571->client->dev; + struct device *dev =3D st7571->dev; struct device_node *np =3D dev->of_node; struct display_timing dt; int ret; @@ -943,9 +944,10 @@ static int st7571_probe(struct i2c_client *client) return PTR_ERR(st7571); =20 drm =3D &st7571->drm; + st7571->dev =3D &client->dev; st7571->client =3D client; i2c_set_clientdata(client, st7571); - st7571->pdata =3D device_get_match_data(&client->dev); + st7571->pdata =3D device_get_match_data(st7571->dev); =20 ret =3D st7571->pdata->parse_dt(st7571); if (ret) @@ -966,20 +968,20 @@ static int st7571_probe(struct i2c_client *client) if (i2c_check_functionality(client->adapter, I2C_FUNC_PROTOCOL_MANGLING)) st7571->ignore_nak =3D true; =20 - st7571->regmap =3D devm_regmap_init(&client->dev, &st7571_regmap_bus, + st7571->regmap =3D devm_regmap_init(st7571->dev, &st7571_regmap_bus, client, &st7571_regmap_config); if (IS_ERR(st7571->regmap)) { - return dev_err_probe(&client->dev, PTR_ERR(st7571->regmap), + return dev_err_probe(st7571->dev, PTR_ERR(st7571->regmap), "Failed to initialize regmap\n"); } =20 - st7571->hwbuf =3D devm_kzalloc(&client->dev, + st7571->hwbuf =3D devm_kzalloc(st7571->dev, (st7571->nlines * st7571->ncols * st7571->bpp) / 8, GFP_KERNEL); if (!st7571->hwbuf) return -ENOMEM; =20 - st7571->row =3D devm_kzalloc(&client->dev, + st7571->row =3D devm_kzalloc(st7571->dev, (st7571->ncols * st7571->bpp), GFP_KERNEL); if (!st7571->row) @@ -987,34 +989,34 @@ static int st7571_probe(struct i2c_client *client) =20 ret =3D st7571_mode_config_init(st7571); if (ret) - return dev_err_probe(&client->dev, ret, + return dev_err_probe(st7571->dev, ret, "Failed to initialize mode config\n"); =20 ret =3D st7571_plane_init(st7571, st7571->pformat); if (ret) - return dev_err_probe(&client->dev, ret, + return dev_err_probe(st7571->dev, ret, "Failed to initialize primary plane\n"); =20 ret =3D st7571_crtc_init(st7571); 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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-378d67db8fesm10375671fa.38.2025.10.24.03.57.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 03:57:34 -0700 (PDT) From: Marcus Folkesson Date: Fri, 24 Oct 2025 12:56:54 +0200 Subject: [PATCH 3/6] drm/sitronix/st7571-i2c: move common structures to st7571.h Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251024-st7571-split-v1-3-d3092b98130f@gmail.com> References: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> In-Reply-To: <20251024-st7571-split-v1-0-d3092b98130f@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7890; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=oj5JSSIwffzeqzrjLvw57GX1wzHco1M6GQyX3QdaS3o=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo+1uGURp4KPR63s5xUVGroPgKmnyWXRI8G+tCN ZhCcl/XKC+JAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaPtbhgAKCRCIgE5vWV1S Mt0cD/9ITP8vmZZ1IqUZsE68ywbqBSy3CJz3JG1YVBk68nNziH0SlZZJB15OJK9zjOk5euJtoVd SL8lF7hxg5ZSzeIrcSkBK+m9Bjcit5pArVHfGHPIeJ2guNMjs8jrN28xUwybE68DyjoyAC0il1x ckZ0p4EowHjnojIIJSbdbiWYENT2BLOc7JTht89l8678y+iOSvtB0ZI2k8XJ0snTZFGAhr1gVot nr6Na2abpVpUUbe0mCh0Ds/BRjvXfBzqp8IJyrkMaYk8ej/Ndhc+cDaKteOyaK5v5FwXbGJupO3 +Ma2wwItXYvAqWMSUoUa1ypcly2minuGLNFKWkB8yqN+xVCJOu9X8cBtqrzGj+NhqAljwchcrPP MR2Jms4REJ5G35H8ArtIPTUdbJ1q/b0md3cM2SiO1UfeOPS59iRkObERlI9nvlfj1hlbXniYnat p6gOYKR5ReWHZxpeP2NWtTToKxI/yikPBYQUeCKJfdd0AouYnGvX2TJBTNoq8V8tbCtsIGdHwyW QVgkQjUfguXNALoTySFeTyS+fjcqVSlEaPe8KWcH+Xunmo6fjo6MbZqDmA6Y5ocR7f9TxLN30t4 3dgUYBjwhydjOv/NVidfNW1SLNicQDUccfbCzW9bxUxKpMxmO2KibzRK7ZMNsjGyXTv09fzNR6H GFLCSX6nEshAugA== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Move all structures that will be common for all interfaces (SPI/I2C) to a separate header file. Signed-off-by: Marcus Folkesson --- MAINTAINERS | 1 + drivers/gpu/drm/sitronix/st7571-i2c.c | 91 +--------------------------- drivers/gpu/drm/sitronix/st7571.h | 108 ++++++++++++++++++++++++++++++= ++++ 3 files changed, 111 insertions(+), 89 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index cc8a7f3f1dabaf402b21f767ecb093a31ade248f..2814faae61eceecae1bccaaf920= 10e22dca81376 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8083,6 +8083,7 @@ S: Maintained F: Documentation/devicetree/bindings/display/sitronix,st7567.yaml F: Documentation/devicetree/bindings/display/sitronix,st7571.yaml F: drivers/gpu/drm/sitronix/st7571-i2c.c +F: drivers/gpu/drm/sitronix/st7571.h =20 DRM DRIVER FOR SITRONIX ST7701 PANELS M: Jagan Teki diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 2b52919d7dd434bb16aa66274eae8730649f62f1..af27658a5e152534d445bc62389= 3eee6b3ca00d5 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -35,6 +35,8 @@ #include