linux-kernel - [PATCH v2 2/2] clk: bcm: rpi: Handle pixel clock in firmware

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220405082503.61041-3-iivanov@suse.de>
Date:   Tue,  5 Apr 2022 11:25:03 +0300
From:   "Ivan T. Ivanov" <iivanov@...e.de>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Maxime Ripard <maxime@...no.tech>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, "Ivan T. Ivanov" <iivanov@...e.de>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: [PATCH v2 2/2] clk: bcm: rpi: Handle pixel clock in firmware

The clk-bcm2835 handling of the pixel clock does not function
correctly when the HDMI power domain is disabled.

The firmware supports it correctly, so add it to the
firmware clock driver.

Cc: Dave Stevenson <dave.stevenson@...pberrypi.com>
Signed-off-by: Ivan T. Ivanov <iivanov@...e.de>
---
 drivers/clk/bcm/clk-raspberrypi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index 2e2491d85835..530820d13104 100644
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -129,6 +129,9 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = {
 	[RPI_FIRMWARE_V3D_CLK_ID] = {
 		.export = true,
 	},
+	[RPI_FIRMWARE_PIXEL_CLK_ID] = {
+		.export = true,
+	},
 	[RPI_FIRMWARE_HEVC_CLK_ID] = {
 		.export = true,
 	},
-- 
2.26.2