From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Vinod Koul <vkoul@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
Algea Cao <algea.cao@rock-chips.com>,
Dmitry Baryshkov <lumag@kernel.org>
Cc: kernel@collabora.com, linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
"Thomas Niederprüm" <dubito@online.de>,
"Simon Wright" <simon@symple.nz>
Subject: Re: [PATCH v3 0/6] phy: rockchip: samsung-hdptx: Clock fixes and API transition cleanups
Date: Fri, 12 Jun 2026 02:58:18 +0300 [thread overview]
Message-ID: <25f0a87d-0607-49eb-b297-b45c11b4df1b@collabora.com> (raw)
In-Reply-To: <20260611-hdptx-clk-fixes-v3-0-67b1b0c00e16@collabora.com>
Hi,
On 6/11/26 3:31 PM, Cristian Ciocaltea wrote:
> This series provides a set of bug fixes and cleanups for the Rockchip
> Samsung HDPTX PHY driver.
>
> The first part of the series (i.e. PATCH 1 & 2) addresses clock rate
> calculation and synchronization issues. Specifically, it fixes edge
> cases where the PHY PLL is pre-programmed by an external component (like
> a bootloader) or when changing the color depth (bpc) while keeping the
> modeline constant. Because the Common Clock Framework .set_rate()
> callback might not be invoked if the pixel clock remains unchanged, this
> previously led to out-of-sync states between CCF and the actual HDMI PHY
> configuration.
>
> The second part focuses on code cleanups and modernizing the register
> access. Now that dw_hdmi_qp driver has fully switched to using
> phy_configure(), we can drop the deprecated TMDS rate setup workarounds
> and the restrict_rate_change flag logic. Finally, it refactors the
> driver to consistently use standard bitfield macros.
>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
> ---
> Changes in v3:
> - Replaced div_u64() with DIV_ROUND_CLOSEST_ULL() in Patch 1 (Sashiko)
> - Fixed theoretical usage_count unbalanced issue in Patch 2 (Sashiko)
> - Rebased series onto latest phy/next
> - Link to v2: https://patch.msgid.link/20260511-hdptx-clk-fixes-v2-0-664e41379cab@collabora.com
Please use v4 as I added two more patches to address latest findings from Sashiko:
https://lore.kernel.org/all/20260612-hdptx-clk-fixes-v4-0-ce5e1d456cda@collabora.com/
Thanks,
Cristian
prev parent reply other threads:[~2026-06-11 23:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-11 12:31 [PATCH v3 0/6] phy: rockchip: samsung-hdptx: Clock fixes and API transition cleanups Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 1/6] phy: rockchip: samsung-hdptx: Fix rate recalculation for high bpc Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 2/6] phy: rockchip: samsung-hdptx: Handle uncommitted PHY config changes Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 3/6] phy: rockchip: samsung-hdptx: Drop TMDS rate setup workaround Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 4/6] phy: rockchip: samsung-hdptx: Drop restrict_rate_change handling Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 5/6] phy: rockchip: samsung-hdptx: Simplify GRF access with FIELD_PREP_WM16() Cristian Ciocaltea
2026-06-11 12:31 ` [PATCH v3 6/6] phy: rockchip: samsung-hdptx: Consistently use bitfield macros Cristian Ciocaltea
2026-06-11 23:58 ` Cristian Ciocaltea [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=25f0a87d-0607-49eb-b297-b45c11b4df1b@collabora.com \
--to=cristian.ciocaltea@collabora.com \
--cc=algea.cao@rock-chips.com \
--cc=dubito@online.de \
--cc=heiko@sntech.de \
--cc=kernel@collabora.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-phy@lists.infradead.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=lumag@kernel.org \
--cc=neil.armstrong@linaro.org \
--cc=simon@symple.nz \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox