From: Vicente Bergas <vicencb@gmail.com>
To: "Doug Anderson" <dianders@chromium.org>,
crj <algea.cao@rock-chips.com>,
"Andy Yan" <andy.yan@rock-chips.com>,
"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 v2 3/3] drm: rockchip: hdmi: add higher pixel clock frequencies
Date: Tue, 22 Sep 2020 22:31:07 +0200 [thread overview]
Message-ID: <20200922203107.2932-4-vicencb@gmail.com> (raw)
In-Reply-To: <20200922203107.2932-1-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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next prev parent reply other threads:[~2020-09-22 20:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 20:31 [PATCH v2 0/3] drm: rockchip: hdmi: enable higher resolutions than FHD Vicente Bergas
2020-09-22 20:31 ` [PATCH v2 1/3] drm: rockchip: hdmi: fix clock rounding code Vicente Bergas
2020-09-23 1:37 ` crj
2020-09-23 22:58 ` Doug Anderson
2020-09-23 22:55 ` Doug Anderson
2020-09-22 20:31 ` [PATCH v2 2/3] drm: rockchip: hdmi: allow any clock that is within the range Vicente Bergas
2020-09-22 20:31 ` Vicente Bergas [this message]
2020-09-23 22:18 ` [PATCH v2 0/3] drm: rockchip: hdmi: enable higher resolutions than FHD Robin Murphy
2020-09-23 23:25 ` Doug Anderson
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