From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 14 Oct 2011 04:43:20 +0000 (+1000)
Subject: drm/nv50/disp: disconnect encoders before reprogramming them
X-Git-Tag: v3.3-rc1~121^2~51^2~74
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7ae494e80c8bbad71a968a816d06cf83da4e9b93;p=karo-tx-linux.git

drm/nv50/disp: disconnect encoders before reprogramming them

Fixes a case where we don't get separate supervisor interrupt sequences for
disconnect and modeset events.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c
index 808f3ec8f827..a0f2bebf49e3 100644
--- a/drivers/gpu/drm/nouveau/nv50_dac.c
+++ b/drivers/gpu/drm/nouveau/nv50_dac.c
@@ -199,11 +199,6 @@ nv50_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	return true;
 }
 
-static void
-nv50_dac_prepare(struct drm_encoder *encoder)
-{
-}
-
 static void
 nv50_dac_commit(struct drm_encoder *encoder)
 {
@@ -266,7 +261,7 @@ static const struct drm_encoder_helper_funcs nv50_dac_helper_funcs = {
 	.save = nv50_dac_save,
 	.restore = nv50_dac_restore,
 	.mode_fixup = nv50_dac_mode_fixup,
-	.prepare = nv50_dac_prepare,
+	.prepare = nv50_dac_disconnect,
 	.commit = nv50_dac_commit,
 	.mode_set = nv50_dac_mode_set,
 	.get_crtc = nv50_dac_crtc_get,
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index da603b1d8e3f..3fab98a2f959 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -174,6 +174,7 @@ nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 static void
 nv50_sor_prepare(struct drm_encoder *encoder)
 {
+	nv50_sor_disconnect(encoder);
 }
 
 static void