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Mon, 03 Mar 2025 07:15:09 -0800 (PST) From: Jun Nie Date: Mon, 03 Mar 2025 23:14:32 +0800 Subject: [PATCH v8 03/15] drm/msm/dpu: configure DSC per number in use 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: <20250303-sm8650-v6-14-hmd-deckard-mdss-quad-upstream-oldbootwrapper-36-prep-v8-3-eb5df105c807@linaro.org> References: <20250303-sm8650-v6-14-hmd-deckard-mdss-quad-upstream-oldbootwrapper-36-prep-v8-0-eb5df105c807@linaro.org> In-Reply-To: <20250303-sm8650-v6-14-hmd-deckard-mdss-quad-upstream-oldbootwrapper-36-prep-v8-0-eb5df105c807@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Jessica Zhang Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jun Nie X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1741014878; l=2046; i=jun.nie@linaro.org; s=20240403; h=from:subject:message-id; bh=OxydkO597ugBLy/eoQLhIhZIi3C8VBz20HvkW34FMds=; b=0/rhKu0LON5yZrlYDkf940GcbT6nSV69ScJn5vFP7k5m3Ms11NY5nPo997caC4RruAvKsAnc8 vIrv6QQczDHBve5G8aFSo3D1SGx0UdO4M9SvMrA0P04XhlYQO87q5Ye X-Developer-Key: i=jun.nie@linaro.org; a=ed25519; pk=MNiBt/faLPvo+iJoP1hodyY2x6ozVXL8QMptmsKg3cc= Currently if DSC support is requested, the driver only supports using 2 DSC blocks. We need 4 DSC in quad-pipe topology in future. So Only configure DSC engines in use, instead of the maximum number of DSC engines. Signed-off-by: Jun Nie Reviewed-by: Dmitry Baryshkov Reviewed-by: Jessica Zhang --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/= msm/disp/dpu1/dpu_encoder.c index c734d2c5790d2a8f5f20c4b5aa1e316062d9b34d..5b98ae96bf5d46872a7af801d41= 57820d72af01f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -2027,11 +2027,11 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_= ctl *ctl, static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, struct drm_dsc_config *dsc) { - /* coding only for 2LM, 2enc, 1 dsc config */ struct dpu_encoder_phys *enc_master =3D dpu_enc->cur_master; struct dpu_hw_ctl *ctl =3D enc_master->hw_ctl; struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; struct dpu_hw_pingpong *hw_pp[MAX_CHANNELS_PER_ENC]; + int num_dsc =3D dpu_enc->num_dscs; int this_frame_slices; int intf_ip_w, enc_ip_w; int dsc_common_mode; @@ -2039,7 +2039,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_v= irt *dpu_enc, u32 initial_lines; int i; =20 - for (i =3D 0; i < MAX_CHANNELS_PER_ENC; i++) { + for (i =3D 0; i < num_dsc; i++) { hw_pp[i] =3D dpu_enc->hw_pp[i]; hw_dsc[i] =3D dpu_enc->hw_dsc[i]; =20 @@ -2068,7 +2068,7 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_v= irt *dpu_enc, enc_ip_w =3D intf_ip_w / 2; initial_lines =3D dpu_encoder_dsc_initial_line_calc(dsc, enc_ip_w); =20 - for (i =3D 0; i < MAX_CHANNELS_PER_ENC; i++) + for (i =3D 0; i < num_dsc; i++) dpu_encoder_dsc_pipe_cfg(ctl, hw_dsc[i], hw_pp[i], dsc, dsc_common_mode, initial_lines); } --=20 2.34.1