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From: Vicente Bergas <vicencb@gmail.com>
To: "Sandy Huang" <hjc@rock-chips.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"David Airlie" <airlied@linux.ie>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	dri-devel@lists.freedesktop.org,
	linux-rockchip@lists.infradead.org
Cc: Vicente Bergas <vicencb@gmail.com>
Subject: [PATCH 3/3] drm: rockchip: hdmi: add higher pixel clock frequencies
Date: Mon, 21 Sep 2020 20:18:03 +0200	[thread overview]
Message-ID: <20200921181803.1160-4-vicencb@gmail.com> (raw)
In-Reply-To: <20200921181803.1160-1-vicencb@gmail.com>

In order to support video resolutions beyond FHD more bandwidth is needed.
The new entry values have been taken from u-boot:
https://gitlab.denx.de/u-boot/u-boot/-/blob/ba2a0cbb053951ed6d36161989d38da724696b4d/drivers/video/rockchip/rk_hdmi.c#L63

Signed-off-by: Vicente Bergas <vicencb@gmail.com>
Tested-by: Vicente Bergas <vicencb@gmail.com>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 87a9198f7494..db4a946f92aa 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -148,6 +148,10 @@ static const struct dw_hdmi_mpll_config rockchip_mpll_cfg[] = {
 			{ 0x214c, 0x0003},
 			{ 0x4064, 0x0003}
 		},
+	}, {
+		272000000, {
+			{ 0x0040, 0x0003},
+		},
 	}, {
 		~0UL, {
 			{ 0x00a0, 0x000a },
@@ -173,6 +177,8 @@ static const struct dw_hdmi_curr_ctrl rockchip_cur_ctr[] = {
 		146250000, { 0x0038, 0x0038, 0x0038 },
 	}, {
 		148500000, { 0x0000, 0x0038, 0x0038 },
+	}, {
+		272000000, { 0x0000,                },
 	}, {
 		~0UL,      { 0x0000, 0x0000, 0x0000},
 	}
-- 
2.28.0


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      parent reply	other threads:[~2020-09-21 18:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21 18:18 [PATCH 0/3] drm: rockchip: hdmi: enable higher resolutions than FHD Vicente Bergas
2020-09-21 18:18 ` [PATCH 1/3] drm: rockchip: hdmi: remove vop_crtc_mode_fixup to fix clock handling Vicente Bergas
2020-09-22  7:40   ` [PATCH 1/3] drm: rockchip: hdmi: remove vop_crtc_mode_fixup to fix clock handling【请注意，邮件由linux-rockchip-bounces+andy.yan=rock-chips.com@lists.infradead.org代发】 Andy Yan
2020-09-22  9:24     ` crj
     [not found]       ` <CAAMcf8Az5AVWNzMHuxXda5WUm4_E5QCwpgb2fVtaT0w2+cQELw@mail.gmail.com>
2020-09-22 10:13         ` crj
     [not found]           ` <CAD=FV=Xv+CZhvXc583VTR2HpSEtkpho3aV5qG5_1-tKFgw_vaQ@mail.gmail.com>
     [not found]             ` <CAAMcf8Btd4iTAVXXKd6knJdBcufTrKiX5UPas9ugV01p1ffHpg@mail.gmail.com>
     [not found]               ` <CAD=FV=WfJJ4Tr4WZnFuUtz=XS1jHAUDfgnwy6qjyJ6iektTGDA@mail.gmail.com>
2020-09-22 19:10                 ` [PATCH 1/3] drm: rockchip: hdmi: remove vop_crtc_mode_fixup to fix clock handling Vicente Bergas
2020-09-22 19:52                   ` Doug Anderson
2020-09-21 18:18 ` [PATCH 2/3] drm: rockchip: hdmi: allow any clock that is within the range Vicente Bergas
2020-09-21 18:18 ` Vicente Bergas [this message]

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