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From: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: ville.syrjala@linux.intel.com, ankit.k.nautiyal@intel.com,
	jani.nikula@linux.intel.com
Subject: [PATCH v7 18/18] drm/i915/vrr: Enable DC Balance
Date: Tue, 24 Jun 2025 13:19:48 +0530	[thread overview]
Message-ID: <20250624074948.671761-19-mitulkumar.ajitkumar.golani@intel.com> (raw)
In-Reply-To: <20250624074948.671761-1-mitulkumar.ajitkumar.golani@intel.com>

Enable DC Balance from vrr compute config and related hw flag.

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index d5359a96054b..e48a795a8c18 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -277,6 +277,9 @@ void intel_vrr_compute_vrr_timings(struct intel_crtc_state *crtc_state)
 {
 	crtc_state->vrr.enable = true;
 	crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
+
+	if (intel_vrr_dc_balance_possible(crtc_state))
+		crtc_state->vrr.dc_balance.enable = true;
 }
 
 /*
@@ -686,6 +689,7 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 		ctl |= VRR_CTL_CMRR_ENABLE;
 
 	if (crtc_state->vrr.dc_balance.enable) {
+		ctl |= VRR_CTL_DCB_ADJ_ENABLE;
 		intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder),
 			       ADAPTIVE_SYNC_COUNTER_EN);
 		intel_dmc_configure_dc_balance_ctl_regs(display, pipe, true);
-- 
2.48.1


  parent reply	other threads:[~2025-06-24  7:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-24  7:49 [PATCH v7 00/18] Enable/Disable DC balance along with VRR DSB Mitul Golani
2025-06-24  7:49 ` [PATCH v7 01/18] drm/i915/vrr: Refactor vmin/vmax stuff Mitul Golani
2025-06-24  7:49 ` [PATCH v7 02/18] drm/i915/display: Add source param for dc balance Mitul Golani
2025-06-24  7:49 ` [PATCH v7 03/18] drm/i915/display: Add pipe dmc registers and bits for DC Balance Mitul Golani
2025-06-24  7:49 ` [PATCH v7 04/18] drm/i915/display: Add VRR DC balance registers Mitul Golani
2025-06-24  8:13   ` Jani Nikula
2025-06-24  7:49 ` [PATCH v7 05/18] drm/i915/vrr: Add functions to read out vmin/vmax stuff Mitul Golani
2025-06-24  7:49 ` [PATCH v7 06/18] drm/i915/vrr: Add DC Balance params to crtc_state Mitul Golani
2025-06-24  8:14   ` Jani Nikula
2025-06-24  7:49 ` [PATCH v7 07/18] drm/i915/vrr: Add state dump for DC Balance params Mitul Golani
2025-06-24  7:49 ` [PATCH v7 08/18] drm/i915/vrr: Add compute config " Mitul Golani
2025-06-24  7:49 ` [PATCH v7 09/18] drm/i915/vrr: Write DC balance params to hw registers Mitul Golani
2025-06-24  7:49 ` [PATCH v7 10/18] drm/i915: Extract vrr_vblank_start() Mitul Golani
2025-06-24  7:49 ` [PATCH v7 11/18] drm/i915/vrr: Implement vblank evasion with DC balancing Mitul Golani
2025-06-24  7:49 ` [PATCH v7 12/18] drm/i915/dsb: Add pipedmc dc balance enable/disable Mitul Golani
2025-06-24  8:25   ` Jani Nikula
2025-06-24  7:49 ` [PATCH v7 13/18] drm/i915/vrr: Restructure VRR enablement bit Mitul Golani
2025-06-24  7:49 ` [PATCH v7 14/18] drm/i915/vrr: Pause DC Balancing for DSB commits Mitul Golani
2025-06-24  7:49 ` [PATCH v7 15/18] drm/i915/vrr: Add function to check if DC Balance Possible Mitul Golani
2025-06-24  7:49 ` [PATCH v7 16/18] drm/i915/display: Add function to configure PIPEDMC_EVT_CTL Mitul Golani
2025-06-24  7:49 ` [PATCH v7 17/18] drm/i915/vrr: Enable Adaptive sync counter bit Mitul Golani
2025-06-24  7:49 ` Mitul Golani [this message]
2025-06-24  8:54 ` ✓ i915.CI.BAT: success for Enable/Disable DC balance along with VRR DSB (rev7) Patchwork
2025-06-24 12:40 ` ✗ i915.CI.Full: failure " Patchwork

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