From a956d478043b44c49aed39c7aa3d576ef32cadc5 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Fri, 9 Oct 2009 20:08:31 +1000
Subject: Revert "kms: setup colormap and gamma correctly."

This reverts commit 60d9685abddccec17c1a9a5ec48cbe9c92543e0f.

which breaks colormap on 1.6 X server

Conflicts:

	src/drmmode_display.c
---
 src/drmmode_display.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/radeon_kms.c      |  4 +--
 2 files changed, 85 insertions(+), 2 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 8310e0b..86adfeb 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1170,4 +1170,87 @@ Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
 	}
 	return TRUE;
 }
+
+static void drmmode_load_palette(ScrnInfoPtr pScrn, int numColors,
+                                 int *indices, LOCO *colors, VisualPtr pVisual)
+{
+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+    uint16_t       lut_r[256], lut_g[256], lut_b[256];
+    int index, j, i;
+    int c;
+
+    for (c = 0; c < xf86_config->num_crtc; c++) {
+        xf86CrtcPtr crtc = xf86_config->crtc[c];
+	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+
+        for (i = 0 ; i < 256; i++) {
+            lut_r[i] = drmmode_crtc->lut_r[i] << 6;
+            lut_g[i] = drmmode_crtc->lut_g[i] << 6;
+            lut_b[i] = drmmode_crtc->lut_b[i] << 6;
+        }
+
+        switch(pScrn->depth) {
+        case 15:
+            for (i = 0; i < numColors; i++) {
+                index = indices[i];
+                for (j = 0; j < 8; j++) {
+                    lut_r[index * 8 + j] = colors[index].red << 6;
+                    lut_g[index * 8 + j] = colors[index].green << 6;
+                    lut_b[index * 8 + j] = colors[index].blue << 6;
+                }
+            }
+         break;
+         case 16:
+             for (i = 0; i < numColors; i++) {
+                 index = indices[i];
+
+                  if (i <= 31) {
+                      for (j = 0; j < 8; j++) {
+                          lut_r[index * 8 + j] = colors[index].red << 6;
+                          lut_b[index * 8 + j] = colors[index].blue << 6;
+                      }
+                  }
+
+                  for (j = 0; j < 4; j++) {
+                      lut_g[index * 4 + j] = colors[index].green << 6;
+                  }
+              }
+	  break;
+          default:
+              for (i = 0; i < numColors; i++) {
+                  index = indices[i];
+                  lut_r[index] = colors[index].red << 6;
+                  lut_g[index] = colors[index].green << 6;
+                  lut_b[index] = colors[index].blue << 6;
+              }
+              break;
+          }
+
+    /* Make the change through RandR */
+#ifdef RANDR_12_INTERFACE
+        if (crtc->randr_crtc)
+            RRCrtcGammaSet(crtc->randr_crtc, lut_r, lut_g, lut_b);
+        else
+#endif
+            crtc->funcs->gamma_set(crtc, lut_r, lut_g, lut_b, 256);
+     }
+}
+
+Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn)
+{
+    xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
+                  "Initializing kms color map\n");
+    if (!miCreateDefColormap(pScreen))
+        return FALSE;
+    /* all radeons support 10 bit CLUTs */
+    if (!xf86HandleColormaps(pScreen, 256, 10,
+                             drmmode_load_palette, NULL,
+                             CMAP_PALETTED_TRUECOLOR
+#if 0 /* This option messes up text mode! (eich@suse.de) */
+                             | CMAP_LOAD_EVEN_IF_OFFSCREEN
+#endif
+                             | CMAP_RELOAD_ON_MODE_SWITCH))
+         return FALSE;
+    return TRUE;
+}
 #endif
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index faa6025..b3fe20c 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -767,8 +767,8 @@ Bool RADEONScreenInit_KMS(int scrnIndex, ScreenPtr pScreen,
 //    info->PointerMoved = pScrn->PointerMoved;
 //    pScrn->PointerMoved = RADEONPointerMoved;
 
-    if (!miCreateDefColormap(pScreen))
-        return FALSE;
+    if (!drmmode_setup_colormap(pScreen, pScrn))
+	return FALSE;
 
    /* Note unused options */
     if (serverGeneration == 1)
-- 
cgit v1.2.3