From 4ed9fb371ccdfe465bd3bbb69e4cad5243e6c4e2 Mon Sep 17 00:00:00 2001 From: Ander Conselvan de Oliveira Date: Tue, 16 Jun 2015 11:49:45 +0300 Subject: [PATCH] drm/i915: Don't set enabled value of all CRTCs when restoring the mode The code in intel_crtc_restore_mode() sets the enabled value of all the CRTCs when restoring the mode after a suspend/resume cycle. When more than one CRTC is enabled, that causes drm_atomic_helper_check_modeset() to fail if there is more than one pipe enabled, since all but one CRTC has valid connector data. Instead, set only the enabled value for the CRTC passed as an argument. v2: Don't leak atomic state. (Matt) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90468 References: https://bugs.freedesktop.org/show_bug.cgi?id=90396 Signed-off-by: Ander Conselvan de Oliveira Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/intel_display.c | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ff7175b..e047105 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12683,7 +12683,6 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct drm_atomic_state *state; - struct intel_crtc *intel_crtc; struct intel_encoder *encoder; struct intel_connector *connector; struct drm_connector_state *connector_state; @@ -12726,24 +12725,18 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc) } } - for_each_intel_crtc(dev, intel_crtc) { - if (intel_crtc->new_enabled == intel_crtc->base.enabled) - continue; - - crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); - if (IS_ERR(crtc_state)) { - DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n", - intel_crtc->base.base.id, - PTR_ERR(crtc_state)); - continue; - } + crtc_state = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc)); + if (IS_ERR(crtc_state)) { + DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n", + crtc->base.id, PTR_ERR(crtc_state)); + drm_atomic_state_free(state); + return; + } - crtc_state->base.active = crtc_state->base.enable = - intel_crtc->new_enabled; + crtc_state->base.active = crtc_state->base.enable = + to_intel_crtc(crtc)->new_enabled; - if (&intel_crtc->base == crtc) - drm_mode_copy(&crtc_state->base.mode, &crtc->mode); - } + drm_mode_copy(&crtc_state->base.mode, &crtc->mode); intel_modeset_setup_plane_state(state, crtc, &crtc->mode, crtc->primary->fb, crtc->x, crtc->y); -- 2.7.4