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.zan...@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- Kill the now outdated comment (Paulo)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 <ti...@suse.de>
Cc: Paulo Zanoni <paulo.r.zan...@intel.com>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/intel_display.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 3db4ed2..7cc953d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -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;
}
--
1.7.10.4
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