[Intel-gfx] [v3] drm/i915/dsc: Fix bigjoiner check in dsc_disable

[Intel-gfx] [v3] drm/i915/dsc: Fix bigjoiner check in dsc_disable

[Vandita Kulkarni]

This change takes care of resetting the dss_ctl registers
in case of dsc_disable, bigjoiner disable and also
uncompressed joiner disable.

v2: Fix formatting
v3: Fix the typo (Mansi)

Suggested-by: Jani Nikula <jani.nikula@intel.com>
Fixes: d961eb20adb6 (drm/i915/bigjoiner: atomic commit changes for uncompressed joiner)
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/3537
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vdsc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 19cd9531c115..7121b66bf96d 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -1161,12 +1161,12 @@ void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state)
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
-	if (!(old_crtc_state->dsc.compression_enable &&
-	      old_crtc_state->bigjoiner))
-		return;
-
-	intel_de_write(dev_priv, dss_ctl1_reg(old_crtc_state), 0);
-	intel_de_write(dev_priv, dss_ctl2_reg(old_crtc_state), 0);
+	/* Disable only if either of them is enabled */
+	if (old_crtc_state->dsc.compression_enable ||
+	    old_crtc_state->bigjoiner) {
+		intel_de_write(dev_priv, dss_ctl1_reg(old_crtc_state), 0);
+		intel_de_write(dev_priv, dss_ctl2_reg(old_crtc_state), 0);
+	}
 }
 
 void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state)
-- 
2.21.0.5.gaeb582a

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[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/dsc: Fix bigjoiner check in dsc_disable (rev5)

[Patchwork]

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== Series Details ==

Series: drm/i915/dsc: Fix bigjoiner check in dsc_disable (rev5)
URL   : https://patchwork.freedesktop.org/series/91006/
State : failure

== Summary ==

Applying: drm/i915/dsc: Fix bigjoiner check in dsc_disable
Using index info to reconstruct a base tree...
M	drivers/gpu/drm/i915/display/intel_vdsc.c
Falling back to patching base and 3-way merge...
No changes -- Patch already applied.



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