From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Vasily Khoruzhick <anarsoul@gmail.com>,
Sasha Levin <sashal@kernel.org>,
Jernej Skrabec <jernej.skrabec@siol.net>,
dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 5.6 20/79] drm/bridge: anx6345: set correct BPC for display_info of connector
Date: Thu, 30 Apr 2020 09:49:44 -0400 [thread overview]
Message-ID: <20200430135043.19851-20-sashal@kernel.org> (raw)
In-Reply-To: <20200430135043.19851-1-sashal@kernel.org>
From: Vasily Khoruzhick <anarsoul@gmail.com>
[ Upstream commit 1e8a6ce9186dbf342eebc07cf14cae5e82164e03 ]
Some drivers (e.g. sun4i-drm) need this info to decide whether they
need to enable dithering. Currently driver reports what panel supports
and if panel supports 8 we don't get dithering enabled.
Hardcode BPC to 6 for now since that's the only BPC
that driver supports.
Fixes: 6aa192698089 ("drm/bridge: Add Analogix anx6345 support")
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200329222253.2941405-1-anarsoul@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index 526507102c1ea..8d32fea84c75e 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -485,6 +485,9 @@ static int anx6345_get_modes(struct drm_connector *connector)
num_modes += drm_add_edid_modes(connector, anx6345->edid);
+ /* Driver currently supports only 6bpc */
+ connector->display_info.bpc = 6;
+
unlock:
if (power_off)
anx6345_poweroff(anx6345);
--
2.20.1
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next prev parent reply other threads:[~2020-04-30 13:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200430135043.19851-1-sashal@kernel.org>
2020-04-30 13:49 ` [PATCH AUTOSEL 5.6 02/79] drm/bridge: analogix_dp: Split bind() into probe() and real bind() Sasha Levin
2020-04-30 13:49 ` Sasha Levin [this message]
2020-04-30 13:49 ` [PATCH AUTOSEL 5.6 23/79] drm/scheduler: fix drm_sched_get_cleanup_job Sasha Levin
2020-04-30 13:50 ` [PATCH AUTOSEL 5.6 38/79] drm/amd/powerplay: fix resume failed as smu table initialize early exit Sasha Levin
2020-04-30 13:50 ` [PATCH AUTOSEL 5.6 39/79] drm/amdgpu: Correctly initialize thermal controller for GPUs with Powerplay table v0 (e.g Hawaii) Sasha Levin
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