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[219.100.37.245]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-377a921d99bsm1580861fa.22.2025.10.17.13.00.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Oct 2025 13:00:40 -0700 (PDT) From: Vladimir Lypak Date: Fri, 17 Oct 2025 19:58:37 +0000 Subject: [PATCH 3/6] drm/msm/dpu: Disable scaling for unsupported scaler types 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="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251017-b4-dpu-fixes-v1-3-40ce5993eeb6@gmail.com> References: <20251017-b4-dpu-fixes-v1-0-40ce5993eeb6@gmail.com> In-Reply-To: <20251017-b4-dpu-fixes-v1-0-40ce5993eeb6@gmail.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Konrad Dybcio , Kalyan Thota , Vinod Polimera , Konrad Dybcio , =?utf-8?q?Barnab=C3=A1s_Cz=C3=A9m=C3=A1n?= Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Vladimir Lypak X-Mailer: b4 0.14.2 Scaling is not implemented for some type of scalers (QSEED2 and RGB) but it was unintentionally re-enabled with change below. The remaining condition in dpu_plane_atomic_check_pipe is not enough because it only checks for length of scaler block (which is present). This patch adds a additional check for setup_scaler operation. Fixes: 8f15005783b8 ("drm/msm/dpu: move scaling limitations out of the hw_c= atalog") Signed-off-by: Vladimir Lypak Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/ms= m/disp/dpu1/dpu_plane.c index d198a65a2c5fef5fbdebc9c383a4b08bc71b8bf3..6effe0fa4837284a1f038e4907c= 4c91d239aeb8b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -740,7 +740,7 @@ static int dpu_plane_atomic_check_pipe(struct dpu_plane= *pdpu, * We already have verified scaling against platform limitations. * Now check if the SSPP supports scaling at all. */ - if (!sblk->scaler_blk.len && + if (!(sblk->scaler_blk.len && pipe->sspp->ops.setup_scaler) && ((drm_rect_width(&new_plane_state->src) >> 16 !=3D drm_rect_width(&new_plane_state->dst)) || (drm_rect_height(&new_plane_state->src) >> 16 !=3D --=20 2.51.0