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Mon, 22 May 2023 20:30:40 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34MKUdKp032333 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 22 May 2023 20:30:39 GMT Received: from jesszhan-linux.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Mon, 22 May 2023 13:30:38 -0700 From: Jessica Zhang Subject: [PATCH v4 0/5] Add DSC v1.2 Support for DSI Date: Mon, 22 May 2023 13:30:19 -0700 Message-ID: <20230405-add-dsc-support-v4-0-15daf84f8dcb@quicinc.com> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIANvQa2QC/4WOOw7CMBBErxK5ZtHazgeouAei8GdDXMQJdhKBU O6OnQ4hRDmzmvf2xSIFR5GdihcLtLjoBp9CuSuY6ZS/ETibMhMoJJZYgbIWbDQQ53EcwgQtcYl alcdDyVlaaRUJdFDedHnXxx48PaZ8GgO17rHJLteUOxenITw398Jz+1uzcECotalblIoaWZ3vs zPOm70ZepZpi/hDEInAsRGmQTo2h/qbIP8QZP6BuJWVElhr+UlY1/UNBqs8l08BAAA= To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Marijn Suijten CC: Konrad Dybcio , , , , , Jessica Zhang X-Mailer: b4 0.13-dev-bfdf5 X-Developer-Signature: v=1; a=ed25519-sha256; t=1684787438; l=3535; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=e6Fl0fdsd/cKcvWsiYtQZ3LOz/0x54V8DgWbX2TkeYA=; b=MFXYpjihrnAStLaSuYj96wxZPkzsRf4VWeHkM8KYlHyljroh5wPrmjTY4vGe56baUwKJj6Vn8 DaNirYWcDKWBPKiXYh8AP7MfhzNEc5af3kL9MbDbabRBzg9Jy5KkYJ5 X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: EzLYt6cECu4ZwKwKzlk5J8NcTUtcX2qQ X-Proofpoint-GUID: EzLYt6cECu4ZwKwKzlk5J8NcTUtcX2qQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-22_14,2023-05-22_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305220173 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766628487798264396?= X-GMAIL-MSGID: =?utf-8?q?1766628487798264396?= This is a series of changes for DSI to enable command mode support for DSC v1.2. This includes: 1) Rounding up `hdisplay / 3` in dsc_timing_setup() 2) Adjusting pclk_rate to account for compression 3) Fixing incorrect uses of slice_count in DSI DSC calculations 4) Setting the DATA_COMPRESS bit when DSC is enabled With these changes (and the dependency below), DSC v1.2 should work over DSI in command mode. Note: Changes that add DSC v1.2 support for video mode will be posted with the DP support changes. Depends-on: "add DSC 1.2 dpu supports" [1] and "Introduce MSM-specific DSC helpers" [2] [1] https://patchwork.freedesktop.org/series/116789/ [2] https://patchwork.freedesktop.org/series/115833/ Signed-off-by: Jessica Zhang --- Changes in v4: - Clarified slice_per_pkt comment regarding pkt_per_line calculations - Reworded commit message for "drm/msm/dsi: Remove incorrect references to slice_count" - Wrapped INTF_SC7280_MASK macro definition in parentheses - Fixed incorrect commit hash in "msm/drm/dsi: Round up DSC hdisplay calculation" - Picked up Reviewed-by tag - Link to v3: https://lore.kernel.org/r/20230405-add-dsc-support-v3-0-6e1d35a206b3@quicinc.com Changes in v3: - Added fix to round up hdisplay DSC adjustment - Fixed inconsistent whitespace in dpu_hw_intf_ops comment doc - Moved placement of dpu_hw_intf_enable_compression - Picked up "drm/msm/dsi: Fix calculation for pkt_per_line" patch and squashed all slice_count fixes into a single patch - Use drm_mode_vrefresh() to calculate adjusted pclk rate - Moved compressed pclk adjustment to dsi_adjust_compressed_pclk() helper - Rebased changes on top of updated dependencies - Reworded commit message for "drm/msm/dpu: Set DATA_COMPRESS for command mode" for clarity - Removed revision changelog in commit messages - Link to v2: https://lore.kernel.org/r/20230405-add-dsc-support-v2-0-1072c70e9786@quicinc.com Changes in v2: - Changed has_data_compress dpu_cap to a DATA_COMPRESS INTF feature flag - Changed pclk math to only divide hdisplay by compression ratio - Reworded word count TODO comment - Make DATA_COMPRESS an INTF flag - Read INTF_CONFIG2 before writing to DATA_COMPRESS bit - Fixed whitespace issue in macro definition - Removed `inline` from dpu_hw_intf_enable_compression declaration - Only set dpu_hw_intf_ops.data_compress if DATA_COMPRESS feature is set - Reworded commit messages and cover letter for clarity - Link to v1: https://lore.kernel.org/r/20230405-add-dsc-support-v1-0-6bc6f03ae735@quicinc.com --- Jessica Zhang (5): msm/drm/dsi: Round up DSC hdisplay calculation drm/msm/dsi: Adjust pclk rate for compression drm/msm/dpu: Add DPU_INTF_DATA_COMPRESS feature flag drm/msm/dpu: Set DATA_COMPRESS for command mode drm/msm/dsi: Remove incorrect references to slice_count .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 3 ++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 3 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 + drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 13 ++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h | 2 + drivers/gpu/drm/msm/dsi/dsi_host.c | 51 +++++++++++++++------- 6 files changed, 58 insertions(+), 16 deletions(-) --- base-commit: 2f0218fa4805d7c7eed8dc072e1bdf9f100492c7 change-id: 20230405-add-dsc-support-fe130ba49841 Best regards,