From: Chris Wilson Date: Mon, 5 Nov 2012 22:25:08 +0000 (+0000) Subject: drm/i915: Update load-detect failure paths for modeset-rework X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0e8b3d3ea7c8f6e65c2c7220d64cbeb78023eff4;p=linux-beck.git drm/i915: Update load-detect failure paths for modeset-rework After the rework, intel_set_mode() became a little better behaved in restoring the current mode if we failed to apply the requested modeline. However, the failure path for load-detect would clobber the existing state, leading to an oops during BIOS takeover on older machines. Signed-off-by: Chris Wilson Cc: Daniel Vetter Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 029e008979b6..6d8a5edb1fa7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6600,24 +6600,19 @@ bool intel_get_load_detect_pipe(struct drm_connector *connector, DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); if (IS_ERR(fb)) { DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); - goto fail; + return false; } if (!intel_set_mode(crtc, mode, 0, 0, fb)) { DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); if (old->release_fb) old->release_fb->funcs->destroy(old->release_fb); - goto fail; + return false; } /* let the connector get through one full cycle before testing */ intel_wait_for_vblank(dev, intel_crtc->pipe); - return true; -fail: - connector->encoder = NULL; - encoder->crtc = NULL; - return false; } void intel_release_load_detect_pipe(struct drm_connector *connector,