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Subject[PATCH 1/2] drm: Set connector DPMS status to ON in drm_crtc_helper_set_config
Date
When setting a new crtc configuration, force the DPMS state of all
connectors to ON. Otherwise, they'll be left at OFF and a future mode set
that disables the specified connector will not turn the connector off.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
drivers/gpu/drm/drm_crtc_helper.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index f7af91c..232ee93 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -471,6 +471,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
int count = 0, ro, fail = 0;
struct drm_crtc_helper_funcs *crtc_funcs;
int ret = 0;
+ int i;

DRM_DEBUG_KMS("\n");

@@ -666,6 +667,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
if (ret != 0)
goto fail;
}
+ DRM_DEBUG_KMS("Setting connector DPMS state to on\n");
+ for (i = 0; i < set->num_connectors; i++) {
+ DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id,
+ drm_get_connector_name(set->connectors[i]));
+ set->connectors[i]->dpms = DRM_MODE_DPMS_ON;
+ }

kfree(save_connectors);
kfree(save_encoders);
--
1.7.2.3


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