mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
55a48b0957
Manually rebased:
backport-5.10/804-v5.14-0001-nvmem-core-allow-specifying-of_node.patch
Removed upstreamed:
generic-backport/807-v5.17-0003-nvmem-core-Fix-a-conflict-between-MTD-and-NVMEM-on-w.patch[1]
All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.168&id=34ec4c7831c416ac56619477f1701986634a7efc
Build system: x86_64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
(cherry picked from commit 461072fc7b)
[Refresh on OpenWrt 22.03]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
From b4627f9f36d8af7cb7bf24d8c1daee8b48f12299 Mon Sep 17 00:00:00 2001
|
|
From: Maxime Ripard <maxime@cerno.tech>
|
|
Date: Mon, 11 Jan 2021 15:23:02 +0100
|
|
Subject: [PATCH] drm/vc4: hdmi: Introduce a CEC clock
|
|
|
|
While the BCM2835 had the CEC clock derived from the HSM clock, the
|
|
BCM2711 has a dedicated parent clock for it.
|
|
|
|
Let's introduce a separate clock for it so that we can handle both
|
|
cases.
|
|
|
|
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 9 ++++++++-
|
|
drivers/gpu/drm/vc4/vc4_hdmi.h | 1 +
|
|
2 files changed, 9 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
@@ -153,7 +153,7 @@ static void vc4_hdmi_cec_update_clk_div(
|
|
* Set the clock divider: the hsm_clock rate and this divider
|
|
* setting will give a 40 kHz CEC clock.
|
|
*/
|
|
- clk_cnt = clk_get_rate(vc4_hdmi->hsm_clock) / CEC_CLOCK_FREQ;
|
|
+ clk_cnt = clk_get_rate(vc4_hdmi->cec_clock) / CEC_CLOCK_FREQ;
|
|
value |= clk_cnt << VC4_HDMI_CEC_DIV_CLK_CNT_SHIFT;
|
|
HDMI_WRITE(HDMI_CEC_CNTRL_1, value);
|
|
}
|
|
@@ -1870,6 +1870,7 @@ static int vc4_hdmi_init_resources(struc
|
|
return PTR_ERR(vc4_hdmi->hsm_clock);
|
|
}
|
|
vc4_hdmi->audio_clock = vc4_hdmi->hsm_clock;
|
|
+ vc4_hdmi->cec_clock = vc4_hdmi->hsm_clock;
|
|
|
|
return 0;
|
|
}
|
|
@@ -1964,6 +1965,12 @@ static int vc5_hdmi_init_resources(struc
|
|
return PTR_ERR(vc4_hdmi->audio_clock);
|
|
}
|
|
|
|
+ vc4_hdmi->cec_clock = devm_clk_get(dev, "cec");
|
|
+ if (IS_ERR(vc4_hdmi->cec_clock)) {
|
|
+ DRM_ERROR("Failed to get CEC clock\n");
|
|
+ return PTR_ERR(vc4_hdmi->cec_clock);
|
|
+ }
|
|
+
|
|
vc4_hdmi->reset = devm_reset_control_get(dev, NULL);
|
|
if (IS_ERR(vc4_hdmi->reset)) {
|
|
DRM_ERROR("Failed to get HDMI reset line\n");
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
|
|
@@ -154,6 +154,7 @@ struct vc4_hdmi {
|
|
bool cec_tx_ok;
|
|
bool cec_irq_was_rx;
|
|
|
|
+ struct clk *cec_clock;
|
|
struct clk *pixel_clock;
|
|
struct clk *hsm_clock;
|
|
struct clk *audio_clock;
|