[PATCH v6 13/17] drm/i915/vrr: Restructure VRR enablement bit

[Mitul Golani]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Restructure bits for VRR enablement.

--v2:
- Separate multiple enablement from one patch.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani at intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 29 ++++++++++++------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 56892cd5401e..4ed517839567 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -624,6 +624,7 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	enum pipe pipe = crtc->pipe;
+	u32 ctl;
 
 	if (!crtc_state->vrr.enable)
 		return;
@@ -638,19 +639,6 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 	intel_de_write(display, TRANS_PUSH(display, cpu_transcoder),
 		       TRANS_PUSH_EN);
 
-	if (!intel_vrr_always_use_vrr_tg(display)) {
-		intel_vrr_set_db_point_and_transmission_line(crtc_state);
-
-		if (crtc_state->cmrr.enable) {
-			intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder),
-				       VRR_CTL_VRR_ENABLE | VRR_CTL_CMRR_ENABLE |
-				       trans_vrr_ctl(crtc_state));
-		} else {
-			intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder),
-				       VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state));
-		}
-	}
-
 	if (crtc_state->vrr.dc_balance.enable) {
 		intel_de_write(display, TRANS_VRR_DCB_ADJ_VMAX_CFG(cpu_transcoder),
 			       VRR_DCB_ADJ_VMAX(crtc_state->vrr.vmax - 1));
@@ -675,6 +663,12 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 		intel_de_write(display, PIPEDMC_DCB_VBLANK(pipe),
 			       crtc_state->vrr.dc_balance.vblank_target);
 	}
+
+	ctl = VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state);
+	if (crtc_state->cmrr.enable)
+		ctl |= VRR_CTL_CMRR_ENABLE;
+
+	intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder), ctl);
 }
 
 void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state)
@@ -683,10 +677,17 @@ void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state)
 	enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	enum pipe pipe = crtc->pipe;
+	u32 ctl;
 
 	if (!old_crtc_state->vrr.enable)
 		return;
 
+	ctl = trans_vrr_ctl(old_crtc_state);
+	if (intel_vrr_always_use_vrr_tg(display))
+		ctl |= VRR_CTL_VRR_ENABLE;
+
+	intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder), ctl);
+
 	if (old_crtc_state->vrr.dc_balance.enable) {
 		intel_de_write(display, PIPEDMC_DCB_VMIN(pipe), 0);
 		intel_de_write(display, PIPEDMC_DCB_VMAX(pipe), 0);
@@ -702,8 +703,6 @@ void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state)
 	}
 
 	if (!intel_vrr_always_use_vrr_tg(display)) {
-		intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder),
-			       trans_vrr_ctl(old_crtc_state));
 		intel_de_wait_for_clear(display,
 					TRANS_VRR_STATUS(display, cpu_transcoder),
 					VRR_STATUS_VRR_EN_LIVE, 1000);
-- 
2.48.1