Revert "DCE3/3.2: cleanup dpms after previous changes"

This reverts commit f8c7d6a6162196a743f6885ecaf63ba50de1722a.

This is apparently still needed for some setups, however, I can't
reproduce this locally anymore.

2 files changed, 47 insertions, 5 deletions

diff --git a/src/radeon_crtc.c b/src/radeon_crtc.c
index 4b508ce0..cd0d55e8 100644
--- a/src/radeon_crtc.c
+++ b/src/radeon_crtc.c
@@ -115,9 +115,6 @@ radeon_crtc_mode_prepare(xf86CrtcPtr crtc)
 {
     RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
 
-    if (radeon_crtc->initialized)
-	radeon_crtc_dpms(crtc, DPMSModeOff);
-
     if (radeon_crtc->enabled)
 	crtc->funcs->hide_cursor(crtc);
 }
@@ -286,8 +283,6 @@ radeon_crtc_mode_commit(xf86CrtcPtr crtc)
 {
     if (crtc->scrn->pScreen != NULL)
 	xf86_reload_cursors(crtc->scrn->pScreen);
-
-    radeon_crtc_dpms(crtc, DPMSModeOn);
 }
 
 void
diff --git a/src/radeon_output.c b/src/radeon_output.c
index ddb0fb1a..a25517ab 100644
--- a/src/radeon_output.c
+++ b/src/radeon_output.c
@@ -520,8 +520,32 @@ radeon_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
 static void
 radeon_mode_prepare(xf86OutputPtr output)
 {
+    RADEONInfoPtr info = RADEONPTR(output->scrn);
+    xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR (output->scrn);
+    int o;
+
+    for (o = 0; o < config->num_output; o++) {
+	xf86OutputPtr loop_output = config->output[o];
+	if (loop_output == output)
+	    continue;
+	else if (loop_output->crtc) {
+	    xf86CrtcPtr other_crtc = loop_output->crtc;
+	    RADEONCrtcPrivatePtr other_radeon_crtc = other_crtc->driver_private;
+	    if (other_crtc->enabled) {
+		if (other_radeon_crtc->initialized) {
+		    radeon_crtc_dpms(other_crtc, DPMSModeOff);
+		    if (IS_AVIVO_VARIANT || info->r4xx_atom)
+			atombios_lock_crtc(info->atomBIOS, other_radeon_crtc->crtc_id, 1);
+		    radeon_dpms(loop_output, DPMSModeOff);
+		}
+	    }
+	}
+    }
+
     radeon_bios_output_lock(output, TRUE);
     radeon_dpms(output, DPMSModeOff);
+    radeon_crtc_dpms(output->crtc, DPMSModeOff);
+
 }
 
 static void
@@ -541,7 +565,30 @@ radeon_mode_set(xf86OutputPtr output, DisplayModePtr mode,
 static void
 radeon_mode_commit(xf86OutputPtr output)
 {
+    RADEONInfoPtr info = RADEONPTR(output->scrn);
+    xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR (output->scrn);
+    int o;
+
+    for (o = 0; o < config->num_output; o++) {
+	xf86OutputPtr loop_output = config->output[o];
+	if (loop_output == output)
+	    continue;
+	else if (loop_output->crtc) {
+	    xf86CrtcPtr other_crtc = loop_output->crtc;
+	    RADEONCrtcPrivatePtr other_radeon_crtc = other_crtc->driver_private;
+	    if (other_crtc->enabled) {
+		if (other_radeon_crtc->initialized) {
+		    radeon_crtc_dpms(other_crtc, DPMSModeOn);
+		    if (IS_AVIVO_VARIANT || info->r4xx_atom)
+			atombios_lock_crtc(info->atomBIOS, other_radeon_crtc->crtc_id, 0);
+		    radeon_dpms(loop_output, DPMSModeOn);
+		}
+	    }
+	}
+    }
+
     radeon_dpms(output, DPMSModeOn);
+    radeon_crtc_dpms(output->crtc, DPMSModeOn);
     radeon_bios_output_lock(output, FALSE);
 }