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authorSascha Hauer <s.hauer@pengutronix.de>2023-02-16 11:24:46 +0100
committerHeiko Stuebner <heiko@sntech.de>2023-03-09 01:14:26 +0100
commit83b61f817f43ed67572d1e241c9f552e0a8bfff4 (patch)
treed3cdff8354d2984d434cfb52d7e6995f2a5a85cc /drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
parentde13db32b0f89a040b50a51d129b9443159a660a (diff)
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drm/rockchip: dw_hdmi: Add support for 4k@30 resolution
This adds the PLL/phy settings to support higher resolutions like 4k@30. The values were taken from the Rockchip downstream Kernel. Tested-by: Michael Riesch <michael.riesch@wolfvision.net> Link: https://lore.kernel.org/r/20220926080435.259617-3-s.hauer@pengutronix.de Tested-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com> Tested-by: Dan Johansen <strit@manjaro.org> Link: https://lore.kernel.org/r/20230118132213.2911418-3-s.hauer@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230216102447.582905-4-s.hauer@pengutronix.de
Diffstat (limited to 'drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c')
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 7d8bf292fedc..feba6b9becd6 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -162,6 +162,12 @@ static const struct dw_hdmi_mpll_config rockchip_mpll_cfg[] = {
{ 0x4064, 0x0003}
},
}, {
+ 340000000, {
+ { 0x0040, 0x0003 },
+ { 0x3b4c, 0x0003 },
+ { 0x5a64, 0x0003 },
+ },
+ }, {
~0UL, {
{ 0x00a0, 0x000a },
{ 0x2001, 0x000f },
@@ -187,6 +193,8 @@ static const struct dw_hdmi_curr_ctrl rockchip_cur_ctr[] = {
}, {
148500000, { 0x0000, 0x0038, 0x0038 },
}, {
+ 600000000, { 0x0000, 0x0000, 0x0000 },
+ }, {
~0UL, { 0x0000, 0x0000, 0x0000},
}
};