From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Zhong Subject: [PATCH 03/10] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Sat, 10 Oct 2015 17:55:23 +0800 Message-ID: <1444470930-17150-4-git-send-email-zyw@rock-chips.com> References: <1444470930-17150-1-git-send-email-zyw@rock-chips.com> Return-path: In-Reply-To: <1444470930-17150-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de, linux-rockchip@lists.infradead.org Cc: Liu Ying , Liu Ying , Chris Zhong , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org From: Liu Ying Signed-off-by: Liu Ying Acked-by: Thierry Reding Signed-off-by: Chris Zhong --- include/drm/drm_mipi_dsi.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index f1d8d0d..3662021 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -163,6 +163,20 @@ static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev) return container_of(dev, struct mipi_dsi_device, dev); } +static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt) +{ + switch (fmt) { + case MIPI_DSI_FMT_RGB888: + case MIPI_DSI_FMT_RGB666: + return 24; + case MIPI_DSI_FMT_RGB666_PACKED: + return 18; + case MIPI_DSI_FMT_RGB565: + return 16; + } + return -EINVAL; +} + struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np); int mipi_dsi_attach(struct mipi_dsi_device *dsi); int mipi_dsi_detach(struct mipi_dsi_device *dsi); -- 2.6.1