Re: [PATCH v10 3/8] drm/i915: Update trans_vrr_ctl flag when cmrr is computed

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On 5/30/2024 11:34 AM, Mitul Golani wrote:
Add/update trans_vrr_ctl flag when crtc_state->cmrr.enable
is set, With this commit setting the stage for subsequent
CMRR enablement.

--v2:
- Check pipe active state in cmrr enabling. [Jani]
- Remove usage of bitwise OR on booleans. [Jani]
- Revert unrelated changes. [Jani]
- Update intel_vrr_enable, vrr and cmrr enable conditions. [Jani]
- Simplify whole if-ladder in intel_vrr_enable. [Jani]
- Revert patch restructuring mistakes in intel_vrr_get_config. [Jani]

--v3:
- Check pipe active state in cmrr disabling.[Jani]
- Correct messed up condition in intel_vrr_enable. [Jani]

--v4:
- Removing RFC tag.

--v5:
- CMRR handling in co-existatnce of LRR and DRRS.

--v7:
- Rebase on top of AS SDP merge.

--v8:
- Remove cmrr_enabling/disabling and update commit message. (Ankit)

--v9:
- Revert removed line(Ankit).

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx>

LGTM

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>


---
  drivers/gpu/drm/i915/display/intel_vrr.c | 10 ++++++++--
  1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 1f363e34495e..c2b5424f53db 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -284,8 +284,14 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
  			       VRR_VSYNC_END(crtc_state->vrr.vsync_end) |
  			       VRR_VSYNC_START(crtc_state->vrr.vsync_start));
- intel_de_write(dev_priv, TRANS_VRR_CTL(dev_priv, cpu_transcoder),
-		       VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state));
+	if (crtc_state->cmrr.enable) {
+		intel_de_write(dev_priv, TRANS_VRR_CTL(dev_priv, cpu_transcoder),
+			       VRR_CTL_VRR_ENABLE | VRR_CTL_CMRR_ENABLE |
+			       trans_vrr_ctl(crtc_state));
+	} else {
+		intel_de_write(dev_priv, TRANS_VRR_CTL(dev_priv, cpu_transcoder),
+			       VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state));
+	}
  }
void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state)



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