From 99a457a8b71a178f297f38a7c2a77b62b793b84f Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Fri, 2 Jan 2026 17:10:51 +0100
Subject: [PATCH] drop XF86_CRTC_VERSION check

dont need support for ancient Xserver versions

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 src/drmmode_display.c | 88 -------------------------------------------
 1 file changed, 88 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 447c8cde..bb1137a9 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -598,15 +598,6 @@ drmmode_can_use_hw_cursor(xf86CrtcPtr crtc)
 	if (crtc->transformPresent)
 		return FALSE;
 
-#if XF86_CRTC_VERSION < 7
-	/* Xorg doesn't correctly handle cursor position transform in the
-	 * rotation case
-	 */
-	if (crtc->driverIsPerformingTransform &&
-	    (crtc->rotation & 0xf) != RR_Rotate_0)
-		return FALSE;
-#endif
-
 	return TRUE;
 }
 
@@ -638,11 +629,6 @@ drmmode_crtc_update_tear_free(xf86CrtcPtr crtc)
 	}
 }
 
-#if XF86_CRTC_VERSION < 7
-#define XF86DriverTransformOutput TRUE
-#define XF86DriverTransformNone FALSE
-#endif
-
 static Bool
 drmmode_handle_transform(xf86CrtcPtr crtc)
 {
@@ -980,55 +966,12 @@ drmmode_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
 	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
 	RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);
 
-#if XF86_CRTC_VERSION < 7
-	if (crtc->driverIsPerformingTransform) {
-		x += crtc->x;
-		y += crtc->y;
-		xf86CrtcTransformCursorPos(crtc, &x, &y);
-	}
-#endif
-
 	drmmode_crtc->cursor_x = x;
 	drmmode_crtc->cursor_y = y;
 
 	drmModeMoveCursor(pRADEONEnt->fd, drmmode_crtc->mode_crtc->crtc_id, x, y);
 }
 
-#if XF86_CRTC_VERSION < 7
-
-static int
-drmmode_cursor_src_offset(Rotation rotation, int width, int height,
-			  int x_dst, int y_dst)
-{
-	int t;
-
-	switch (rotation & 0xf) {
-	case RR_Rotate_90:
-		t = x_dst;
-		x_dst = height - y_dst - 1;
-		y_dst = t;
-		break;
-	case RR_Rotate_180:
-		x_dst = width - x_dst - 1;
-		y_dst = height - y_dst - 1;
-		break;
-	case RR_Rotate_270:
-		t = x_dst;
-		x_dst = y_dst;
-		y_dst = width - t - 1;
-		break;
-	}
-
-	if (rotation & RR_Reflect_X)
-		x_dst = width - x_dst - 1;
-	if (rotation & RR_Reflect_Y)
-		y_dst = height - y_dst - 1;
-
-	return y_dst * height + x_dst;
-}
-
-#endif
-
 static Bool
 drmmode_cursor_pixel(xf86CrtcPtr crtc, uint32_t *argb, Bool *premultiplied,
 		     Bool *apply_gamma)
@@ -1101,29 +1044,6 @@ drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image)
 	if (crtc->scrn->depth != 24 && crtc->scrn->depth != 32)
 		apply_gamma = FALSE;
 
-#if XF86_CRTC_VERSION < 7
-	if (crtc->driverIsPerformingTransform) {
-		uint32_t cursor_w = info->cursor_w, cursor_h = info->cursor_h;
-		int dstx, dsty;
-		int srcoffset;
-
-retry_transform:
-		for (dsty = 0; dsty < cursor_h; dsty++) {
-			for (dstx = 0; dstx < cursor_w; dstx++) {
-				srcoffset = drmmode_cursor_src_offset(crtc->rotation,
-								      cursor_w,
-								      cursor_h,
-								      dstx, dsty);
-				argb = image[srcoffset];
-				if (!drmmode_cursor_pixel(crtc, &argb, &premultiplied,
-							  &apply_gamma))
-					goto retry_transform;
-
-				ptr[dsty * info->cursor_w + dstx] = cpu_to_le32(argb);
-			}
-		}
-	} else
-#endif
 	{
 		uint32_t cursor_size = info->cursor_w * info->cursor_h;
 		int i;
@@ -2078,9 +1998,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
 	drmModeEncoderPtr *kencoders = NULL;
 	drmmode_output_private_ptr drmmode_output;
 	drmModePropertyBlobPtr path_blob = NULL;
-#if XF86_CRTC_VERSION >= 8
 	Bool nonDesktop = FALSE;
-#endif
 	char name[32];
 	int i;
 	const char *s;
@@ -2091,12 +2009,10 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
 
 	path_blob = koutput_get_prop_blob(pRADEONEnt->fd, koutput, "PATH");
 
-#if XF86_CRTC_VERSION >= 8
 	i = koutput_get_prop_idx(pRADEONEnt->fd, koutput, DRM_MODE_PROP_RANGE,
 				 "non-desktop");
 	if (i >= 0)
 		nonDesktop = koutput->prop_values[i] != 0;
-#endif
 
 	kencoders = calloc(sizeof(drmModeEncoderPtr), koutput->count_encoders);
 	if (!kencoders) {
@@ -2127,9 +2043,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
 			drmmode_output = output->driver_private;
 			drmmode_output->output_id = mode_res->connectors[num];
 			drmmode_output->mode_output = koutput;
-#if XF86_CRTC_VERSION >= 8
 			output->non_desktop = nonDesktop;
-#endif
 			for (i = 0; i < koutput->count_encoders; i++)
 				drmModeFreeEncoder(kencoders[i]);
 			free(kencoders);
@@ -2169,9 +2083,7 @@ drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, drmModeResPtr mode_r
 	output->interlaceAllowed = TRUE;
 	output->doubleScanAllowed = TRUE;
 	output->driver_private = drmmode_output;
-#if XF86_CRTC_VERSION >= 8
 	output->non_desktop = nonDesktop;
-#endif
 
 	output->possible_crtcs = 0xffffffff;
 	for (i = 0; i < koutput->count_encoders; i++) {