[PATCH 8/8] drm/bochs: atomic dpms support

[John Hunter <zhjwpku@gmail.com>]

From: Zhao Junwang <zhjwpku@gmail.com>

- use ->disable() and ->enable() for crct and plane
- use drm_atomic_helper_connector_dpms for connector

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Zhao Junwang <zhjwpku@gmail.com>
---
 drivers/gpu/drm/bochs/bochs_kms.c |   34 ++++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 599f367..eccd0a7 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -23,16 +23,20 @@ MODULE_PARM_DESC(defy, "default y resolution");
 
 /* ---------------------------------------------------------------------- */
 
-static void bochs_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void bochs_crtc_enable(struct drm_crtc *crtc)
 {
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-	case DRM_MODE_DPMS_OFF:
-	default:
+	if (crtc->enabled)
 		return;
-	}
+
+	crtc->enabled = true;
+}
+
+static void bochs_crtc_disable(struct drm_crtc *crtc)
+{
+	if (!crtc->enabled)
+		return;
+
+	crtc->enabled = false;
 }
 
 static bool bochs_crtc_mode_fixup(struct drm_crtc *crtc,
@@ -71,7 +75,8 @@ static const struct drm_crtc_funcs bochs_crtc_funcs = {
 };
 
 static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
-	.dpms = bochs_crtc_dpms,
+	.enable = bochs_crtc_enable,
+	.disable = bochs_crtc_disable,
 	.mode_fixup = bochs_crtc_mode_fixup,
 	.mode_set_nofb = bochs_crtc_mode_set_nofb,
 	.commit = bochs_crtc_commit,
@@ -204,7 +209,11 @@ static void bochs_encoder_mode_set(struct drm_encoder *encoder,
 {
 }
 
-static void bochs_encoder_dpms(struct drm_encoder *encoder, int state)
+static void bochs_encoder_enable(struct drm_encoder *encoder)
+{
+}
+
+static void bochs_encoder_disable(struct drm_encoder *encoder)
 {
 }
 
@@ -213,7 +222,8 @@ static void bochs_encoder_commit(struct drm_encoder *encoder)
 }
 
 static const struct drm_encoder_helper_funcs bochs_encoder_helper_funcs = {
-	.dpms = bochs_encoder_dpms,
+	.enable = bochs_encoder_enable,
+	.disable = bochs_encoder_disable,
 	.mode_fixup = bochs_encoder_mode_fixup,
 	.mode_set = bochs_encoder_mode_set,
 	.commit = bochs_encoder_commit,
@@ -286,7 +296,7 @@ struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = {
 };
 
 struct drm_connector_funcs bochs_connector_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
+	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = bochs_connector_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = drm_connector_cleanup,
-- 
1.7.10.4


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