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authorGiulio Benetti <giulio.benetti@benettiengineering.com>2020-04-08 18:10:11 +0300
committerStefano Babic <sbabic@denx.de>2020-04-18 13:54:43 +0300
commit10374da7778a6521778c08864379b9b8f0d2573e (patch)
tree1218a4c3ed0ac186db176c038ef319d3123a4cb3 /drivers/video/videomodes.c
parentecd8497bcb655390c77928408ba28b22886b286a (diff)
downloadu-boot-10374da7778a6521778c08864379b9b8f0d2573e.tar.xz
videomodes: add helper function to convert from ctfb to display_timing
This function converts from "struct ctf_res_modes" to "struct display_timing". Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com> Reviewed-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'drivers/video/videomodes.c')
-rw-r--r--drivers/video/videomodes.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/video/videomodes.c b/drivers/video/videomodes.c
index ac25b45f81..89003eea72 100644
--- a/drivers/video/videomodes.c
+++ b/drivers/video/videomodes.c
@@ -444,3 +444,32 @@ int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
return 0;
}
+
+void video_ctfb_mode_to_display_timing(const struct ctfb_res_modes *mode,
+ struct display_timing *timing)
+{
+ timing->pixelclock.typ = mode->pixclock_khz * 1000;
+
+ timing->hactive.typ = mode->xres;
+ timing->hfront_porch.typ = mode->right_margin;
+ timing->hback_porch.typ = mode->left_margin;
+ timing->hsync_len.typ = mode->hsync_len;
+
+ timing->vactive.typ = mode->yres;
+ timing->vfront_porch.typ = mode->lower_margin;
+ timing->vback_porch.typ = mode->upper_margin;
+ timing->vsync_len.typ = mode->vsync_len;
+
+ timing->flags = 0;
+
+ if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
+ timing->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+ else
+ timing->flags |= DISPLAY_FLAGS_HSYNC_LOW;
+ if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
+ timing->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
+ else
+ timing->flags |= DISPLAY_FLAGS_VSYNC_LOW;
+ if (mode->vmode == FB_VMODE_INTERLACED)
+ timing->flags |= DISPLAY_FLAGS_INTERLACED;
+}