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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6635088ffadsm1220549a12.21.2026.03.13.03.22.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Mar 2026 03:22:06 -0700 (PDT) Message-ID: Date: Fri, 13 Mar 2026 11:22:03 +0100 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 v3 18/27] drm/msm/dpu: drop ubwc_dec_version To: Dmitry Baryshkov , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Bjorn Andersson , Konrad Dybcio , Akhil P Oommen Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260312-ubwc-rework-v3-0-b7e8f800176a@oss.qualcomm.com> <20260312-ubwc-rework-v3-18-b7e8f800176a@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260312-ubwc-rework-v3-18-b7e8f800176a@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: qEeCIUCBo9kU4NczbO6bMoaSC77p0J79 X-Authority-Analysis: v=2.4 cv=IIIPywvG c=1 sm=1 tr=0 ts=69b3e550 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=tWrNggSR6SyvBOkGGPYA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEzMDA4MCBTYWx0ZWRfX8kwlT2xAl9B9 PcE86IZKKRiZgJRP85cLbrrnY1HcMq74Fh/kccqA2JhRY7/n7KyUnhJx6i/zGkWJBlSeK+rQkS6 NN6luX+sXLb/99upEso3e3NsAfoXwAPM8Bopj90LZNh/knd4eVGnkDdVviiyOTCjVj+CdkGWzdb lz9YEQJ00jMB6fGQmkPAYcmg23lUhz66WF0bIRhmUk8IdCvLxsl3QorFoQZnoTHYaPXN30ban5D 8/P8Mhg0/yWvJRMcE19P1eg3/kIHdw0ukC120Z8ntuBNlhpTnbLvc2dXaOjbgM70WPlzvzeUGIm aRBuYQF2TGwXklldpmAhduqXXAkP9fF87zK/VVYDutJIrcjN0wnoDHRGBxLCqRorH1AwZFjsQJG FAI6sLYU3nUVYDKWJj2bnCb4zXbZtRC+8ZYJnL8BkH2FqT2snxL5k1KotOOXk7FULTz4RaSpSBg HeTJiiMFYInBoj6K3Fw== X-Proofpoint-ORIG-GUID: qEeCIUCBo9kU4NczbO6bMoaSC77p0J79 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=2026-03-13_02,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 impostorscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603130080 On 3/12/26 2:29 PM, Dmitry Baryshkov wrote: > Stop using ubwc_dec_version (the version of the UBWC block in the > display subsystem) for detecting the enablement of the UBWC. Use only > ubwc_enc_version, the version of the UBWC which we are setting up for. > > Signed-off-by: Dmitry Baryshkov > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c > index 547d084f2944..f424be5ad82b 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c > @@ -1718,8 +1718,7 @@ static bool dpu_plane_format_mod_supported(struct drm_plane *plane, > uint32_t format, uint64_t modifier) > { > struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); > - bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) && > - (dpu_kms->mdss->ubwc_dec_version == 0); > + bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0); Reviewed-by: Konrad Dybcio Konrad