gpu/drm/drm_modes.c

1062  * drm_display_mode_from_videomode - fill in @dmode using @vm,
1064  * @dmode: drm_display_mode structure to use as destination
1066  * Fills out @dmode using the display mode specified in @vm.
1069 				     struct drm_display_mode *dmode)
1071 	dmode->hdisplay = vm->hactive;
1072 	dmode->hsync_start = dmode->hdisplay + vm->hfront_porch;
1073 	dmode->hsync_end = dmode->hsync_start + vm->hsync_len;
1074 	dmode->htotal = dmode->hsync_end + vm->hback_porch;
1076 	dmode->vdisplay = vm->vactive;
1077 	dmode->vsync_start = dmode->vdisplay + vm->vfront_porch;
1078 	dmode->vsync_end = dmode->vsync_start + vm->vsync_len;
1079 	dmode->vtotal = dmode->vsync_end + vm->vback_porch;
1081 	dmode->clock = vm->pixelclock / 1000;
1083 	dmode->flags = 0;
1085 		dmode->flags |= DRM_MODE_FLAG_PHSYNC;
1087 		dmode->flags |= DRM_MODE_FLAG_NHSYNC;
1089 		dmode->flags |= DRM_MODE_FLAG_PVSYNC;
1091 		dmode->flags |= DRM_MODE_FLAG_NVSYNC;
1093 		dmode->flags |= DRM_MODE_FLAG_INTERLACE;
1095 		dmode->flags |= DRM_MODE_FLAG_DBLSCAN;
1097 		dmode->flags |= DRM_MODE_FLAG_DBLCLK;
1098 	drm_mode_set_name(dmode);
1103  * drm_display_mode_to_videomode - fill in @vm using @dmode,
1104  * @dmode: drm_display_mode structure to use as source
1107  * Fills out @vm using the display mode specified in @dmode.
1109 void drm_display_mode_to_videomode(const struct drm_display_mode *dmode,
1112 	vm->hactive = dmode->hdisplay;
1113 	vm->hfront_porch = dmode->hsync_start - dmode->hdisplay;
1114 	vm->hsync_len = dmode->hsync_end - dmode->hsync_start;
1115 	vm->hback_porch = dmode->htotal - dmode->hsync_end;
1117 	vm->vactive = dmode->vdisplay;
1118 	vm->vfront_porch = dmode->vsync_start - dmode->vdisplay;
1119 	vm->vsync_len = dmode->vsync_end - dmode->vsync_start;
1120 	vm->vback_porch = dmode->vtotal - dmode->vsync_end;
1122 	vm->pixelclock = dmode->clock * 1000;
1125 	if (dmode->flags & DRM_MODE_FLAG_PHSYNC)
1127 	else if (dmode->flags & DRM_MODE_FLAG_NHSYNC)
1129 	if (dmode->flags & DRM_MODE_FLAG_PVSYNC)
1131 	else if (dmode->flags & DRM_MODE_FLAG_NVSYNC)
1133 	if (dmode->flags & DRM_MODE_FLAG_INTERLACE)
1135 	if (dmode->flags & DRM_MODE_FLAG_DBLSCAN)
1137 	if (dmode->flags & DRM_MODE_FLAG_DBLCLK)
1177  * @dmode: will be set to the return value
1189 			    struct drm_display_mode *dmode, u32 *bus_flags,
1199 	drm_display_mode_from_videomode(&vm, dmode);
1205 	drm_mode_debug_printmodeline(dmode);
1214  * @dmode: will be set to the return value
1224 				  struct drm_display_mode *dmode, u32 *bus_flags)
1237 	memset(dmode, 0, sizeof(*dmode));
1238 	drm_display_mode_from_videomode(&vm, dmode);
1250 	dmode->width_mm = width_mm;
1251 	dmode->height_mm = height_mm;
1253 	drm_mode_debug_printmodeline(dmode);