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authorInki Dae <inki.dae@samsung.com>2012-09-24 20:04:24 +0900
committerInki Dae <inki.dae@samsung.com>2012-10-04 10:06:01 +0900
commit58f6aad7d93f7ce009d371aa5065b70d593d3b17 (patch)
tree0d8dc7d3fdbd8d8f4fb8ba69189864c12d2c7c66
parente2e1338900208ab36e3b86349ffdb3eba52302f8 (diff)
drm/exynos: fix display power call issue.
Changelog v3: make exynos_drm_display_power function use exynos_drm_best_encoder function instead of connector->encoder to get a valid encoder. connector->encoder could be NULL because with DRM_IOCTL_MODE_RMFB request, connector->encoder is NULL so fix this issue. Changelog v2: remove static prefix so that exynos_drm_best_encoder function could be called by other modules. Changelog v1: this patch fixes the issue that display power callback isn't called. with DRM_IOCTL_MODE_RMFB request, encoder->connector becomes NULL so display_ops->power_on() wouldn't be called so this patch makes exynos_drm_best_encoder function to be used to get a valid encoder of each connector. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_connector.c5
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_connector.h2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 87cf3783efd..da074746967 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -199,8 +199,7 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
return ret;
}
-static struct drm_encoder *exynos_drm_best_encoder(
- struct drm_connector *connector)
+struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct exynos_drm_connector *exynos_connector =
@@ -231,7 +230,7 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
void exynos_drm_display_power(struct drm_connector *connector, int mode)
{
- struct drm_encoder *encoder = connector->encoder;
+ struct drm_encoder *encoder = exynos_drm_best_encoder(connector);
struct exynos_drm_connector *exynos_connector;
struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
struct exynos_drm_display_ops *display_ops = manager->display_ops;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.h b/drivers/gpu/drm/exynos/exynos_drm_connector.h
index 40a55c2de4b..22f6cc442c3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.h
@@ -31,6 +31,8 @@
struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder);
+struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector);
+
void exynos_drm_display_power(struct drm_connector *connector, int mode);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 96a10c38cd7..db1f7edc53a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -57,7 +57,7 @@ static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
struct drm_connector *connector;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder) {
+ if (exynos_drm_best_encoder(connector) == encoder) {
DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
connector->base.id, mode);