From c2c62559e702e7de1fa2ef309fa647ab13564dc3 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@neko.keithp.com>
Date: Sat, 3 Mar 2007 23:12:54 -0800
Subject: Move single mode setting code to X server.

Code to drive the global configuration from a single mode setting operation
(from RandR 1.1, XFree86-VidModeExtension or XFree86-DGA) has been included
in the X server now, so remove it from this driver.
---
 src/i830_display.c | 141 -----------------------------------------------------
 1 file changed, 141 deletions(-)

(limited to 'src')

diff --git a/src/i830_display.c b/src/i830_display.c
index d0b21a92..e9c997ab 100644
--- a/src/i830_display.c
+++ b/src/i830_display.c
@@ -392,107 +392,6 @@ i830PipeSetBase(xf86CrtcPtr crtc, int x, int y)
     }
 }
 
-/**
- * In the current world order, there are lists of modes per output, which may
- * or may not include the mode that was asked to be set by XFree86's mode
- * selection.  Find the closest one, in the following preference order:
- *
- * - Equality
- * - Closer in size to the requested mode, but no larger
- * - Closer in refresh rate to the requested mode.
- */
-DisplayModePtr
-i830PipeFindClosestMode(xf86CrtcPtr crtc, DisplayModePtr pMode)
-{
-    ScrnInfoPtr	pScrn = crtc->scrn;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
-    DisplayModePtr pBest = NULL, pScan = NULL;
-    int i;
-
-    /* Assume that there's only one output connected to the given CRTC. */
-    for (i = 0; i < xf86_config->num_output; i++) 
-    {
-	xf86OutputPtr  output = xf86_config->output[i];
-	if (output->crtc == crtc && output->probed_modes != NULL)
-	{
-	    pScan = output->probed_modes;
-	    break;
-	}
-    }
-
-    /* If the pipe doesn't have any detected modes, just let the system try to
-     * spam the desired mode in.
-     */
-    if (pScan == NULL) {
-	I830CrtcPrivatePtr  intel_crtc = crtc->driver_private;
-	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
-		   "No pipe mode list for pipe %d,"
-		   "continuing with desired mode\n", intel_crtc->pipe);
-	return pMode;
-    }
-
-    for (; pScan != NULL; pScan = pScan->next) {
-	assert(pScan->VRefresh != 0.0);
-
-	/* If there's an exact match, we're done. */
-	if (xf86ModesEqual(pScan, pMode)) {
-	    pBest = pMode;
-	    break;
-	}
-
-	/* Reject if it's larger than the desired mode. */
-	if (pScan->HDisplay > pMode->HDisplay ||
-	    pScan->VDisplay > pMode->VDisplay)
-	{
-	    continue;
-	}
-
-	if (pBest == NULL) {
-	    pBest = pScan;
-	    continue;
-	}
-
-	/* Find if it's closer to the right size than the current best
-	 * option.
-	 */
-	if ((pScan->HDisplay > pBest->HDisplay &&
-	     pScan->VDisplay >= pBest->VDisplay) ||
-	    (pScan->HDisplay >= pBest->HDisplay &&
-	     pScan->VDisplay > pBest->VDisplay))
-	{
-	    pBest = pScan;
-	    continue;
-	}
-
-	/* Find if it's still closer to the right refresh than the current
-	 * best resolution.
-	 */
-	if (pScan->HDisplay == pBest->HDisplay &&
-	    pScan->VDisplay == pBest->VDisplay &&
-	    (fabs(pScan->VRefresh - pMode->VRefresh) <
-	     fabs(pBest->VRefresh - pMode->VRefresh))) {
-	    pBest = pScan;
-	}
-    }
-
-    if (pBest == NULL) {
-	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
-		   "No suitable mode found to program for the pipe.\n"
-		   "	continuing with desired mode %dx%d@%.1f\n",
-		   pMode->HDisplay, pMode->VDisplay, pMode->VRefresh);
-    } else if (!xf86ModesEqual(pBest, pMode)) {
-	I830CrtcPrivatePtr  intel_crtc = crtc->driver_private;
-	int		    pipe = intel_crtc->pipe;
-	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
-		   "Choosing pipe %d's mode %dx%d@%.1f instead of xf86 "
-		   "mode %dx%d@%.1f\n", pipe,
-		   pBest->HDisplay, pBest->VDisplay, pBest->VRefresh,
-		   pMode->HDisplay, pMode->VDisplay, pMode->VRefresh);
-	pMode = pBest;
-    }
-    return pMode;
-}
-
 /**
  * Sets the power management mode of the pipe and plane.
  *
@@ -1140,46 +1039,6 @@ i830_crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
 }
 
 
-/**
- * This function configures the screens in clone mode on
- * all active outputs using a mode similar to the specified mode.
- */
-Bool
-i830SetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode, Rotation rotation)
-{
-    xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR(pScrn);
-    Bool ok = TRUE;
-    xf86CrtcPtr crtc = config->output[config->compat_output]->crtc;
-
-    DPRINTF(PFX, "i830SetMode\n");
-
-    if (crtc && crtc->enabled)
-    {
-	ok = xf86CrtcSetMode(crtc,
-			     i830PipeFindClosestMode(crtc, pMode),
-			     rotation, 0, 0);
-	if (!ok)
-	    goto done;
-	crtc->desiredMode = *pMode;
-    }
-
-    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Mode bandwidth is %d Mpixel/s\n",
-	       (int)(pMode->HDisplay * pMode->VDisplay *
-		     pMode->VRefresh / 1000000));
-
-    xf86DisableUnusedFunctions(pScrn);
-
-    i830DescribeOutputConfiguration(pScrn);
-
-#ifdef XF86DRI
-   I830DRISetVBlankInterrupt (pScrn, TRUE);
-#endif
-done:
-    i830DumpRegs (pScrn);
-    i830_sdvo_dump(pScrn);
-    return ok;
-}
-
 void
 i830DescribeOutputConfiguration(ScrnInfoPtr pScrn)
 {
-- 
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