From 8299d1f057439f94c6a4412e2e5c5082b82a30c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 21 Aug 2021 10:54:34 +0200 Subject: bcm27xx: add kernel 5.10 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...i-Update-the-CEC-clock-divider-on-HSM-rat.patch | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.10/950-0456-drm-vc4-hdmi-Update-the-CEC-clock-divider-on-HSM-rat.patch (limited to 'target/linux/bcm27xx/patches-5.10/950-0456-drm-vc4-hdmi-Update-the-CEC-clock-divider-on-HSM-rat.patch') diff --git a/target/linux/bcm27xx/patches-5.10/950-0456-drm-vc4-hdmi-Update-the-CEC-clock-divider-on-HSM-rat.patch b/target/linux/bcm27xx/patches-5.10/950-0456-drm-vc4-hdmi-Update-the-CEC-clock-divider-on-HSM-rat.patch new file mode 100644 index 0000000000..8c64066094 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0456-drm-vc4-hdmi-Update-the-CEC-clock-divider-on-HSM-rat.patch @@ -0,0 +1,31 @@ +From beadd8dfb16c626c2261fc6f8aab935cd7412603 Mon Sep 17 00:00:00 2001 +From: Maxime Ripard +Date: Mon, 11 Jan 2021 15:23:01 +0100 +Subject: [PATCH] drm/vc4: hdmi: Update the CEC clock divider on HSM + rate change + +As part of the enable sequence we might change the HSM clock rate if the +pixel rate is different than the one we were already dealing with. + +On the BCM2835 however, the CEC clock derives from the HSM clock so any +rate change will need to be reflected in the CEC clock divider to output +40kHz. + +Fixes: cd4cb49dc5bb ("drm/vc4: hdmi: Adjust HSM clock rate depending on pixel rate") +Reviewed-by: Dave Stevenson +Signed-off-by: Maxime Ripard +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -801,6 +801,8 @@ static void vc4_hdmi_encoder_pre_crtc_co + + vc4_hdmi_cec_update_clk_div(vc4_hdmi); + ++ vc4_hdmi_cec_update_clk_div(vc4_hdmi); ++ + /* + * FIXME: When the pixel freq is 594MHz (4k60), this needs to be setup + * at 300MHz. -- cgit v1.2.3