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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b291e25290sm2371565e87.73.2026.07.20.07.12.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 07:12:50 -0700 (PDT) Date: Mon, 20 Jul 2026 17:12:48 +0300 From: Dmitry Baryshkov To: Cristian Ciocaltea Cc: Vinod Koul , Neil Armstrong , Heiko Stuebner , Algea Cao , Dmitry Baryshkov , kernel@collabora.com, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Sashiko Subject: Re: [PATCH v4 3/8] phy: rockchip: samsung-hdptx: Fix rate recalculation for 3.2GHz FRL Message-ID: References: <20260612-hdptx-clk-fixes-v4-0-ce5e1d456cda@collabora.com> <20260612-hdptx-clk-fixes-v4-3-ce5e1d456cda@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260612-hdptx-clk-fixes-v4-3-ce5e1d456cda@collabora.com> X-Proofpoint-ORIG-GUID: LqL2DSPvxdACjakG7tPXTmWCFlbiB_14 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDE1OCBTYWx0ZWRfX0Wgsr1PTCA90 1TVPLDwJxWGskAyT/nXG1J0gh77vy9xqS2pR9U1q6rjXjMHCc49Y7N82IhayoYizAw6BLFU+nsV OuZ8AEHecQPORsGjPg+9rtARXDGx+8E4T9IIqHSRvH5yD5G5UHqNc5xHwKuysn+Ed1TYZoWKZNX kpCaqhrBGo8oAq9IUTvhchDMdhXzrkZVut5z9aL6ytzd6epXMri/t4HRTSDKrTZr83SuCvadlQC B2E+3hVJMlGiMaE01v2y/qmhXCKcmcDIovGALGHxyaJE1NMNa+Cb9H92GdkuNi4jQoqTpOQB864 m8B+Wzkntx8HWXbxV1d2168DG4oEWQXJeVR5DV09qdFURVf9enr4J/lyx+VqRX1Ua3f5wX/cESA T5d+PjrKHgwuxskADFo3yeSdjON7o4ieiTCKA0Q/6DFMx2XRHu560/ylys19f6akJSnCA0Tyxms bL1qRMrTYfAVV/oTuWw== X-Authority-Analysis: v=2.4 cv=RPmD2Yi+ c=1 sm=1 tr=0 ts=6a5e2ce5 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=c92rfblmAAAA:8 a=QX4gbG5DAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=6btzFAMt-cuNwz31USQA:9 a=CjuIK1q_8ugA:10 a=a_PwQJl-kcHnX1M80qC6:22 a=GvGzcOZaWPEFPQC_NcjD:22 a=AbAUZ8qAyYyZVLSsDulk:22 X-Proofpoint-GUID: LqL2DSPvxdACjakG7tPXTmWCFlbiB_14 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDE1OCBTYWx0ZWRfX1UquZsN/DDYN FvmdWZPw3eDhAVH+/7cjCn4sAdxmqs6VZF5XEcy/Awm+k/6EzkUnNrLwhkbg//lq/Qdm1EY+YMh +1oA7UkPJd1Z/uDkhNxX1vQnETnR3nY= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_03,2026-07-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 bulkscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200158 On Fri, Jun 12, 2026 at 02:45:22AM +0300, Cristian Ciocaltea wrote: > rk_hdptx_phy_clk_calc_rate_from_pll_cfg() is currently unable to handle > cascade mode for the 3.2GHz FRL operating mode, as it relies solely on > LCPLL_LCVCO_MODE_EN_MASK to determinate the rate from the > rk_hdptx_frl_lcpll_cfg array. Since there is no entry for this > particular rate, the function returns 0. > > This is the only rate which requires LC_REF_CLK_SEL to be set in > GRF_HDPTX_CON0, hence extend the FRL matching accordingly. > > Reported-by: Sashiko > Closes: https://sashiko.dev/#/patchset/20260611-hdptx-clk-fixes-v3-0-67b1b0c00e16@collabora.com?part=1 > Fixes: de5dba833118 ("phy: rockchip: samsung-hdptx: Add HDMI 2.1 FRL support") > Signed-off-by: Cristian Ciocaltea > --- > drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 33 ++++++++++++++++------- > 1 file changed, 24 insertions(+), 9 deletions(-) > Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry