@@ -5801,20 +5801,11 @@ static void haswell_modeset_global_resources(struct drm_device *dev)
struct intel_encoder *encoder;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
- if (crtc->pipe != PIPE_A && crtc->base.enabled)
- enable = true;
- /* XXX: Should check for edp transcoder here, but thanks to init
- * sequence that's not yet available. Just in case desktop eDP
- * on PORT D is possible on haswell, too. */
- /* Even the eDP panel fitter is outside the always-on well. */
- if (crtc->config.pch_pfit.size && crtc->base.enabled)
- enable = true;
- }
+ if (!crtc->base.enabled)
+ continue;
- list_for_each_entry(encoder, &dev->mode_config.encoder_list,
- base.head) {
- if (encoder->type != INTEL_OUTPUT_EDP &&
- encoder->connectors_active)
+ if (crtc->pipe != PIPE_A || crtc->config.pch_pfit.size ||
+ crtc->config.cpu_transcoder != TRANSCODER_EDP)
enable = true;
}
Now that we track the cpu transcoder we need accurately in the pipe config we can finally fix up the transcoder check. With the current code eDP on port D will be broken since we'd errornously cut the power. For reference see commit 2124b72e6283c4e84a55e71077fee91793f4c801 Author: Paulo Zanoni <paulo.r.zanoni@intel.com> Date: Fri Mar 22 14:07:23 2013 -0300 drm/i915: don't disable the power well yet v2: - Kill the now outdated comment (Paulo) - Add the missing crtc->base.enabled check and consolidate it (Paulo) - Smash all checks together, looks neater that way. Cc: Takashi Iwai <tiwai@suse.de> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- drivers/gpu/drm/i915/intel_display.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-)