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Subjectlinux-next: manual merge of the drm tree with the drm-intel-fixes tree
Hi all,

Today's linux-next merge of the drm tree got a conflict in:

drivers/gpu/drm/i915/display/intel_display.c

between commit:

2b2c4a83d69d ("drm/i915/dp: Disable Port sync mode correctly on teardown")

from the drm-intel-fixes tree and commit:

773b4b54351c ("drm/i915: Move stuff from haswell_crtc_disable() into encoder .post_disable()")

from the drm tree.

I fixed it up (I applied the change to icl_disable_transcoder_port_sync()
from the former commit in its new location - see patch below) and can
carry the fix as necessary. This is now fixed as far as linux-next is
concerned, but any non trivial conflicts should be mentioned to your
upstream maintainer when your tree is submitted for merging. You may
also want to consider cooperating with the maintainer of the
conflicting tree to minimise any particularly complex conflicts.

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 8 Jan 2020 12:12:45 +1100
Subject: [PATCH] drm/i915: fixup for "drm/i915/dp: Disable Port sync mode
correctly on teardown"

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
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,
--
2.24.0
--
Cheers,
Stephen Rothwell
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