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From: slongerbeam@gmail.com
To: dri-devel@lists.freedesktop.org
Cc: Steve Longerbeam <steve_longerbeam@mentor.com>
Subject: [PATCH 3/6] drm_modes: add videomode_from_drm_display_mode
Date: Mon, 15 Dec 2014 16:29:21 -0800	[thread overview]
Message-ID: <1418689764-11276-4-git-send-email-slongerbeam@gmail.com> (raw)
In-Reply-To: <1418689764-11276-1-git-send-email-slongerbeam@gmail.com>

From: Steve Longerbeam <steve_longerbeam@mentor.com>

Add conversion from drm_display_mode to videomode.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
 drivers/gpu/drm/drm_modes.c |   40 ++++++++++++++++++++++++++++++++++++++++
 include/drm/drm_modes.h     |    2 ++
 2 files changed, 42 insertions(+)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 6d8b941..583a391 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -615,6 +615,46 @@ void drm_display_mode_from_videomode(const struct videomode *vm,
 }
 EXPORT_SYMBOL_GPL(drm_display_mode_from_videomode);
 
+/**
+ * videomode_from_drm_display_mode - fill in @vm using @dmode,
+ * @dmode: drm_display_mode structure to use as source
+ * @vm: videomode structure to use as destination
+ *
+ * Fills out @vm using the display mode specified in @dmode.
+ */
+void videomode_from_drm_display_mode(const struct drm_display_mode *dmode,
+				     struct videomode *vm)
+{
+	vm->hactive = dmode->hdisplay;
+	vm->hfront_porch = dmode->hsync_start - dmode->hdisplay;
+	vm->hsync_len = dmode->hsync_end - dmode->hsync_start;
+	vm->hback_porch = dmode->htotal - dmode->hsync_end;
+
+	vm->vactive = dmode->vdisplay;
+	vm->vfront_porch = dmode->vsync_start - dmode->vdisplay;
+	vm->vsync_len = dmode->vsync_end - dmode->vsync_start;
+	vm->vback_porch = dmode->vtotal - dmode->vsync_end;
+
+	vm->pixelclock = dmode->clock * 1000;
+
+	vm->flags = 0;
+	if (dmode->flags & DRM_MODE_FLAG_PHSYNC)
+		vm->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+	else if (dmode->flags & DRM_MODE_FLAG_NHSYNC)
+		vm->flags |= DISPLAY_FLAGS_HSYNC_LOW;
+	if (dmode->flags & DRM_MODE_FLAG_PVSYNC)
+		vm->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
+	else if (dmode->flags & DRM_MODE_FLAG_NVSYNC)
+		vm->flags |= DISPLAY_FLAGS_VSYNC_LOW;
+	if (dmode->flags & DRM_MODE_FLAG_INTERLACE)
+		vm->flags |= DISPLAY_FLAGS_INTERLACED;
+	if (dmode->flags & DRM_MODE_FLAG_DBLSCAN)
+		vm->flags |= DISPLAY_FLAGS_DOUBLESCAN;
+	if (dmode->flags & DRM_MODE_FLAG_DBLCLK)
+		vm->flags |= DISPLAY_FLAGS_DOUBLECLK;
+}
+EXPORT_SYMBOL_GPL(videomode_from_drm_display_mode);
+
 #ifdef CONFIG_OF
 /**
  * of_get_drm_display_mode - get a drm_display_mode from devicetree
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 91d0582..60c0144 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -197,6 +197,8 @@ struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
 					      int GTF_K, int GTF_2J);
 void drm_display_mode_from_videomode(const struct videomode *vm,
 				     struct drm_display_mode *dmode);
+void videomode_from_drm_display_mode(const struct drm_display_mode *dmode,
+				     struct videomode *vm);
 int of_get_drm_display_mode(struct device_node *np,
 			    struct drm_display_mode *dmode,
 			    int index);
-- 
1.7.9.5

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  parent reply	other threads:[~2014-12-16  0:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-16  0:29 [PATCH 0/6] imx-drm: ipuv3-crtc: Implement mode_fixup slongerbeam
2014-12-16  0:29 ` [PATCH 1/6] gpu: ipu-di: Add ipu_di_adjust_videomode() slongerbeam
2014-12-17 12:27   ` Fabio Estevam
2014-12-18 19:05     ` Steve Longerbeam
2014-12-16  0:29 ` [PATCH 2/6] gpu: ipu-di: remove some non-functional code slongerbeam
2014-12-16  0:29 ` slongerbeam [this message]
2014-12-16  0:29 ` [PATCH 4/6] imx-drm: ipuv3-crtc: Implement mode_fixup slongerbeam
2014-12-16  0:29 ` [PATCH 5/6] imx-drm: encoder mode_set must use adjusted mode slongerbeam
2014-12-17 14:03   ` Philipp Zabel
2014-12-19  0:31     ` Steve Longerbeam
2014-12-16  0:29 ` [PATCH 6/6] gpu: ipu-v3: Use videomode in struct ipu_di_signal_cfg slongerbeam
2014-12-17 14:02   ` Philipp Zabel
2014-12-19  0:34     ` Steve Longerbeam
2014-12-17 14:18 ` [PATCH 0/6] imx-drm: ipuv3-crtc: Implement mode_fixup Philipp Zabel

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