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c=relaxed/relaxed; s=zohomail; d=collabora.com; v=1; bh=ALE444eKJZ+NX+Ip1B2o36NSUHXVU+Yd9yBPLWJk7WU=; h=Content-Description:Content-ID:Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Owner:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Resent-Sender:Resent-Cc:Resent-Date:Resent-To:Reply-To:Resent-Message-ID:Resent-From:Sender:Subject:To:Date:From:Message-Id:Reply-To:Subject:To:Cc; Received: by smtp.zohomail.com with SMTPS id 1793894072590379.33672551637096; Thu, 5 Nov 2026 07:54:32 -0800 (PST) From: Nicolas Frattaroli Date: Thu, 05 Nov 2026 16:52:10 +0100 Subject: [PATCH v2 19/27] drm/connector: hdmi: Add QMS to VTEM EMP generation X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261105-vrr-limiter-uapi-v2-19-55f4215be2c2@collabora.com> References: <20261105-vrr-limiter-uapi-v2-0-55f4215be2c2@collabora.com> In-Reply-To: <20261105-vrr-limiter-uapi-v2-0-55f4215be2c2@collabora.com> To: Xaver Hugl , Vidith Madhu , "Borah, Chaitanya Kumar" , Leo Li , Harry Wentland , Fangzhi Zuo , Daniel Stone , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Helge Deller , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , =?utf-8?q?Michel_D=C3=A4nzer?= Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, Derek Foreman , wayland-devel@lists.freedesktop.org, Nicolas Frattaroli X-Mailer: b4 0.15.2 If userspace indicates that VRR mode "Media" is desired and the connector supports QMS, set the QMS related fields in the VTEM EMP struct based on the connector state. Signed-off-by: Nicolas Frattaroli --- drivers/gpu/drm/display/drm_hdmi_state_helper.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c b/drivers/gpu/drm/display/drm_hdmi_state_helper.c index 846f7a72fddc..407ad28c649f 100644 --- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c +++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c @@ -890,11 +890,18 @@ static int hdmi_generate_emp_infoframe_vtem(const struct drm_connector *connecto break; case VRR_DISPLAY_MODE_OFF: break; + case VRR_DISPLAY_MODE_MEDIA: + if (!connector->hdmi.qms_supported) + return -EOPNOTSUPP; + vtem->qms_en = true; + vtem->next_tfr = conn_state->hdmi.qms_tfr_byte; + vtem->m_const = !vrr->dynamic; + break; default: return -EINVAL; } - if (vtem->game_vrr_en && !avi_vic) { + if ((vtem->game_vrr_en || vtem->qms_en) && !avi_vic) { vtem->base_refresh_rate = drm_mode_vrefresh(&crtc_state->mode); vfront = crtc_state->adjusted_mode.crtc_vsync_start - crtc_state->adjusted_mode.crtc_vdisplay; -- 2.56.0