From: Vinay Simha BN <simhavcs@gmail.com> To: unlisted-recipients:; (no To-header on input) Cc: Vinay Simha BN <simhavcs@gmail.com>, David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 3/4] drm/dsi: Implement set tear scanline Date: Wed, 20 Apr 2016 15:02:32 +0530 [thread overview] Message-ID: <1461144755-10633-3-git-send-email-simhavcs@gmail.com> (raw) In-Reply-To: <1461144755-10633-1-git-send-email-simhavcs@gmail.com> Provide a small convenience wrapper that transmits a set_tear_scanline command. Signed-off-by: Vinay Simha BN <simhavcs@gmail.com> --- drivers/gpu/drm/drm_mipi_dsi.c | 22 ++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index f5d8083..26aba75 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -983,6 +983,28 @@ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on); /** + * mipi_dsi_set_tear_scanline() - turn on the display module's Tearing Effect + * output signal on the TE signal line when display module reaches line N + * defined by STS[n:0]. + * @dsi: DSI peripheral device + * @param1: STS[10:8] + * @param2: STS[7:0] + * Return: 0 on success or a negative error code on failure + */ +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, + u8 param1, u8 param2) +{ + u8 payload[3] = { MIPI_DCS_SET_TEAR_SCANLINE, param1 , param2}; + ssize_t err; + + err = mipi_dsi_generic_write(dsi, &payload, sizeof(payload)); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline); +/** * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image * data used by the interface * @dsi: DSI peripheral device diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 7a9840f..37bd75d 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -263,6 +263,8 @@ int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start, u16 end); int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, u16 end); +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, u8 param1, + u8 param2); int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, enum mipi_dsi_dcs_tear_mode mode); -- 2.1.2
WARNING: multiple messages have this Message-ID (diff)
From: Vinay Simha BN <simhavcs@gmail.com> Cc: Vinay Simha BN <simhavcs@gmail.com>, David Airlie <airlied@linux.ie>, "open list:DRM DRIVERS" <dri-devel@lists.freedesktop.org>, open list <linux-kernel@vger.kernel.org> Subject: [PATCH v2 3/4] drm/dsi: Implement set tear scanline Date: Wed, 20 Apr 2016 15:02:32 +0530 [thread overview] Message-ID: <1461144755-10633-3-git-send-email-simhavcs@gmail.com> (raw) In-Reply-To: <1461144755-10633-1-git-send-email-simhavcs@gmail.com> Provide a small convenience wrapper that transmits a set_tear_scanline command. Signed-off-by: Vinay Simha BN <simhavcs@gmail.com> --- drivers/gpu/drm/drm_mipi_dsi.c | 22 ++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index f5d8083..26aba75 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -983,6 +983,28 @@ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on); /** + * mipi_dsi_set_tear_scanline() - turn on the display module's Tearing Effect + * output signal on the TE signal line when display module reaches line N + * defined by STS[n:0]. + * @dsi: DSI peripheral device + * @param1: STS[10:8] + * @param2: STS[7:0] + * Return: 0 on success or a negative error code on failure + */ +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, + u8 param1, u8 param2) +{ + u8 payload[3] = { MIPI_DCS_SET_TEAR_SCANLINE, param1 , param2}; + ssize_t err; + + err = mipi_dsi_generic_write(dsi, &payload, sizeof(payload)); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline); +/** * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image * data used by the interface * @dsi: DSI peripheral device diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 7a9840f..37bd75d 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -263,6 +263,8 @@ int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start, u16 end); int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, u16 end); +int mipi_dsi_set_tear_scanline(struct mipi_dsi_device *dsi, u8 param1, + u8 param2); int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, enum mipi_dsi_dcs_tear_mode mode); -- 2.1.2
next prev parent reply other threads:[~2016-04-20 9:33 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-13 6:28 [PATCH] drm/panel: Add JDI LT070ME05000 WUXGA DSI Panel Vinay Simha BN 2016-04-13 6:28 ` Vinay Simha BN 2016-04-13 13:49 ` Thierry Reding 2016-04-13 13:49 ` Thierry Reding 2016-04-13 15:22 ` Vinay Simha 2016-04-14 12:38 ` Vinay Simha 2016-04-14 12:38 ` Vinay Simha 2016-04-20 9:42 ` Vinay Simha 2016-04-20 9:42 ` Vinay Simha 2016-04-14 10:47 ` [RESEND][PATCH] " Vinay Simha BN 2016-04-14 10:47 ` Vinay Simha BN 2016-04-14 17:15 ` Rob Herring 2016-04-14 17:15 ` Rob Herring 2016-04-20 9:32 ` [PATCH v2 1/4] dt-bindings: Add jdi panel vendor Vinay Simha BN 2016-04-20 9:32 ` Vinay Simha BN 2016-04-20 9:32 ` [PATCH v2 2/4] dt-bindings: Add jdi lt070me05000 panel bindings Vinay Simha BN 2016-04-20 9:32 ` Vinay Simha BN 2016-04-21 15:45 ` Rob Herring 2016-04-21 15:45 ` Rob Herring 2016-04-22 6:55 ` Vinay Simha 2016-04-22 6:55 ` Vinay Simha 2016-04-22 11:59 ` Thierry Reding 2016-04-22 11:59 ` Thierry Reding 2016-04-20 9:32 ` Vinay Simha BN [this message] 2016-04-20 9:32 ` [PATCH v2 3/4] drm/dsi: Implement set tear scanline Vinay Simha BN 2016-04-20 9:53 ` kbuild test robot 2016-04-20 9:53 ` kbuild test robot 2016-04-20 10:24 ` [PATCH v3] drm/dsi: Implement set tear scanline compile fix Vinay Simha BN 2016-04-20 10:24 ` Vinay Simha BN 2016-04-20 9:32 ` [PATCH v2 4/4] drm/panel: Add JDI LT070ME05000 WUXGA DSI Panel Vinay Simha BN 2016-04-20 9:32 ` Vinay Simha BN 2016-04-21 15:33 ` [PATCH v2 1/4] dt-bindings: Add jdi panel vendor Rob Herring 2016-04-21 15:33 ` Rob Herring 2016-04-14 14:40 ` [PATCH] drm/panel: Add JDI LT070ME05000 WUXGA DSI Panel Archit Taneja 2016-04-14 14:40 ` Archit Taneja 2016-04-20 9:46 ` Vinay Simha 2016-04-20 9:46 ` Vinay Simha
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