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From: William Tseng <william.tseng@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Cooper Chiou <cooper.chiou@intel.com>,
	William Tseng <william.tseng@intel.com>
Subject: [Intel-gfx] [PATCH] drm/i915/dsi: disable lpdt if it is not enabled
Date: Tue,  9 Nov 2021 11:41:25 +0800	[thread overview]
Message-ID: <20211109034125.11291-1-william.tseng@intel.com> (raw)

Avoid setting LP_DATA_TRANSFER when enable_lpdt is false

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Lee Shawn C <shawn.c.lee@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Signed-off-by: William Tseng <william.tseng@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 168c84a74d30..31cea17481b1 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -183,6 +183,8 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
 
 	if (enable_lpdt)
 		tmp |= LP_DATA_TRANSFER;
+	else
+		tmp &= ~LP_DATA_TRANSFER;
 
 	tmp &= ~(PARAM_WC_MASK | VC_MASK | DT_MASK);
 	tmp |= ((packet->header[0] & VC_MASK) << VC_SHIFT);
-- 
2.17.1


             reply	other threads:[~2021-11-09  3:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-09  3:41 William Tseng [this message]
2021-11-09  4:47 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/dsi: disable lpdt if it is not enabled Patchwork
2021-11-09  6:04 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-11-09  8:04 ` [Intel-gfx] [PATCH] " Jani Nikula
2021-11-09  8:32   ` Tseng, William

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