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Sun, 22 Mar 2026 21:26:46 -0700 (PDT) X-Received: by 2002:a17:902:e5c5:b0:2ae:4ef0:168e with SMTP id d9443c01a7336-2b07717fbc5mr121752085ad.13.1774240006435; Sun, 22 Mar 2026 21:26:46 -0700 (PDT) Received: from [10.217.216.245] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b083516908sm117191885ad.1.2026.03.22.21.26.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Mar 2026 21:26:46 -0700 (PDT) Message-ID: <32c8c28f-83ef-4019-b87c-162f09ab6de5@oss.qualcomm.com> Date: Mon, 23 Mar 2026 09:56:42 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] clk: qcom: rcg2: expand frac table for mdss_pixel_clk_src To: Pengyu Luo , Bjorn Andersson , Michael Turquette , Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260321095029.2259489-1-mitltlatltl@gmail.com> Content-Language: en-US From: Taniya Das In-Reply-To: <20260321095029.2259489-1-mitltlatltl@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: Gq0KYrQWHi2pThDehsOfjTFQhVS4fBia X-Authority-Analysis: v=2.4 cv=Q63fIo2a c=1 sm=1 tr=0 ts=69c0c107 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=XrWBrngNrbSfp6LsIOQA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-ORIG-GUID: Gq0KYrQWHi2pThDehsOfjTFQhVS4fBia X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDAzMSBTYWx0ZWRfXzKmhPppASnv3 lphSFf6iShjXd2ckC/lWRSXstikmZ3mPSrLCqoe1wOUbGxx4Y/YM5gRf6yoFBdjFzkJhzGnEM9e l6MS++tba1aioRhFn3AHh2+9VVeoR5kLrt3Xhk9taLo04hADkbaxP4kC/7lDEGh1zv7DKnLDca5 rE9wRmzwxBdRtb7kctFmcTwHMp3cc7OhAtpV1HsjtJWNIc/273c8/NA7PB7BMK8ySosjgNHMFBp TnB8rJmD2TeU+qSbYY0a10fkVe+8Kk7x33owMoxRjOTOmejgBMA3qTdQrPLFRgDHlAp7hiVTy/f kJviFeMNMe5PcSpLRHFtMmHSz7fhydYKtDETM1yJA8VXRtiesU6fF/WjunAdeo8Y3FygcNij//K oXRJ7DF4d8uRuX725ePl7yC/vb9i1NfxKQkStL0+X/pMTIhSr9GzvIJjiyKWyDF0Zt0jGzXLZOA ZlZlsDxGcU0wlAZS+Lw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-23_01,2026-03-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0 adultscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230031 On 3/21/2026 3:20 PM, Pengyu Luo wrote: > Downstream clk_summary shows the mdss_pixel_clk_src support the > ratio(35:16) > > dsi0_phy_pll_out_dsiclk 2 2 0 378420000 > disp_cc_mdss_pclk1_clk_src 1 1 0 172992000 > dsi0_phy_pll_out_byteclk 2 2 0 108120000 > disp_cc_mdss_byte1_clk_src 2 2 0 108120000 > > After checking downstream source, 15:4 also seems to be supported, > add them two. > > Signed-off-by: Pengyu Luo > --- > drivers/clk/qcom/clk-rcg2.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c > index fc696b66cc..6064a0e17d 100644 > --- a/drivers/clk/qcom/clk-rcg2.c > +++ b/drivers/clk/qcom/clk-rcg2.c > @@ -1117,6 +1117,8 @@ static const struct frac_entry frac_table_pixel[] = { > { 4, 9 }, > { 1, 1 }, > { 2, 3 }, > + { 16, 35}, > + { 4, 15}, > { } > }; > Reviewed-by: Taniya Das -- Thanks, Taniya Das