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[3/3] drm: rockchip: hdmi: add higher pixel clock frequencies

Message ID 20200921181803.1160-4-vicencb@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm: rockchip: hdmi: enable higher resolutions than FHD | expand

Commit Message

Vicente Bergas Sept. 21, 2020, 6:18 p.m. UTC 
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(+)
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Patch

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},
 	}