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From: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
To: <dri-devel@lists.freedesktop.org>,
	<linux-arm-msm@vger.kernel.org>,
	<freedreno@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Cc: Sankeerth Billakanti <quic_sbillaka@quicinc.com>,
	<robdclark@gmail.com>, <seanpaul@chromium.org>,
	<swboyd@chromium.org>, <kalyan_t@codeaurora.org>,
	<abhinavk@codeaurora.org>, <dianders@chromium.org>,
	<khsieh@codeaurora.org>, <mkrishn@codeaurora.org>,
	<sbillaka@codeaurora.org>
Subject: [PATCH v3 3/6] drm/dp: Add macro to check max_downspread capability
Date: Thu, 28 Oct 2021 07:24:45 +0530	[thread overview]
Message-ID: <1635386088-18089-4-git-send-email-quic_sbillaka@quicinc.com> (raw)
In-Reply-To: <1635386088-18089-1-git-send-email-quic_sbillaka@quicinc.com>

Add a macro to check for the max_downspread capability in
drm_dp_helper.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
---
 include/drm/drm_dp_helper.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index afdf7f4..b39e7a0 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1784,6 +1784,12 @@ drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 }
 
 static inline bool
+drm_dp_max_downspread(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+	return dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5;
+}
+
+static inline bool
 drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {
 	return dpcd[DP_DPCD_REV] >= 0x14 &&
-- 
2.7.4


  parent reply	other threads:[~2021-10-28  1:55 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-28  1:54 [PATCH v3 0/6] Add support for eDP controller on SC7280 Sankeerth Billakanti
2021-10-28  1:54 ` [PATCH v3 1/6] dt-bindings: msm/dp: Add DP compatible strings for sc7280 Sankeerth Billakanti
2021-10-28  6:20   ` Stephen Boyd
2021-10-28  1:54 ` [PATCH v3 2/6] drm/msm/dp: Add DP controllers " Sankeerth Billakanti
2021-10-28  6:21   ` Stephen Boyd
2021-10-28  1:54 ` Sankeerth Billakanti [this message]
2021-10-28  6:31   ` [PATCH v3 3/6] drm/dp: Add macro to check max_downspread capability Stephen Boyd
2021-10-28  1:54 ` [PATCH v3 4/6] drm/msm/dp: Enable downspread for supported DP sinks Sankeerth Billakanti
2021-10-28  6:33   ` Stephen Boyd
2021-10-28  1:54 ` [PATCH v3 5/6] drm/msm/dp: Enable ASSR " Sankeerth Billakanti
2021-10-28  6:34   ` Stephen Boyd
2021-10-28  1:54 ` [PATCH v3 6/6] drm/msm/dp: Remove the hpd init delay for eDP Sankeerth Billakanti
2021-10-28  6:38   ` Stephen Boyd
2021-10-29 17:20     ` khsieh

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