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* [Intel-gfx] [CI v4] drm/i915/dp: Disable Port sync mode correctly on teardown
@ 2019-12-20  1:04 Manasi Navare
  2019-12-20  3:12 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Manasi Navare @ 2019-12-20  1:04 UTC (permalink / raw)
  To: intel-gfx; +Cc: Jani Nikula

While clearing the Ports ync mode enable and master select bits
we need to clear the register completely instead of using disable masks

v3:
* Remove reg variable (Matt)
v2:
* Just write 0 to the reg (Ville)
* Rebase

Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/5
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: 51528afe7c5e ("drm/i915/display/icl: Disable transcoder port sync as part of crtc_disable() sequence")
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index c9ba7d7f3787..e535a3b85575 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3860,8 +3860,6 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_
 {
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	i915_reg_t reg;
-	u32 trans_ddi_func_ctl2_val;
 
 	if (old_crtc_state->master_transcoder == INVALID_TRANSCODER)
 		return;
@@ -3869,10 +3867,7 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_
 	DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n",
 		      transcoder_name(old_crtc_state->cpu_transcoder));
 
-	reg = TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder);
-	trans_ddi_func_ctl2_val = ~(PORT_SYNC_MODE_ENABLE |
-				    PORT_SYNC_MODE_MASTER_SELECT_MASK);
-	I915_WRITE(reg, trans_ddi_func_ctl2_val);
+	I915_WRITE(TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder), 0);
 }
 
 static void intel_ddi_post_disable(struct intel_encoder *encoder,
-- 
2.19.1

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^ permalink raw reply related	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2019-12-21 12:15 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-12-20  1:04 [Intel-gfx] [CI v4] drm/i915/dp: Disable Port sync mode correctly on teardown Manasi Navare
2019-12-20  3:12 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for " Patchwork
2019-12-20  5:16   ` Navare, Manasi D
2019-12-20  6:23     ` Jani Nikula
2019-12-20  6:46       ` Navare, Manasi D
2019-12-20  7:08 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/dp: Disable Port sync mode correctly on teardown (rev2) Patchwork
2019-12-21 12:15 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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