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a=ed25519-sha256; t=1756131423; l=2282; i=yongxing.mou@oss.qualcomm.com; s=20241121; h=from:subject:message-id; bh=TSQ0bYxvwSdSGTKkoBYhDKBWe3uInELiHmXnk72zRV4=; b=duMBgo0ElFERIwAsvUqi6eTSil8TrCpytGdMUtwvdCYzvbKFkhAt8aEGrEl9QJIdII6AXu1ut 3dsERUkZHWDCiDyny5YNcGzsI0szfwwtzR8XmZ/2ISS4ozrDZKG7WH4 X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=zeCnFRUqtOQMeFvdwex2M5o0Yf67UHYfwCyBRQ3kFbU= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODIzMDA0MyBTYWx0ZWRfX1mwYmZdZw96Q UCzw6wtmZQhvpoWTutyVYDajSmABIIZRTfkoyAcXcV5NNP5BtGbcdqMoz9f5vDeGgt7KcAWFekY yOkG3KQ89saDFw+lCxDjHUn1vLq9n6USn9/tv6dNb1fDimjZgOnI0ory76GRBGxAXMaLnq+/Y8K wLCbG9Vb42swUSPYuTmPhr62XxPykWSORnovSvLiDXRLBB4cON1hEfKgFdz3PndmGJGK9nMVa4n 2Xfk/ZaNhcpiU0aSjSuXbQyeGqLCJBtJULRWHc+lcy76gZ4w/IZjbaTngEoMexo9KAGMEGbn1hK mGaXHrlBDKb9fLDXa/p/Yxqwg9euKjUT61EnLMXan1lmSBde/M5kfQoOhxYlritGv1YRu01+snV VTEoHEru X-Proofpoint-ORIG-GUID: vIGsU6WxrQepLqCViItb3KemPqYR-6VL X-Proofpoint-GUID: vIGsU6WxrQepLqCViItb3KemPqYR-6VL X-Authority-Analysis: v=2.4 cv=W544VQWk c=1 sm=1 tr=0 ts=68ac70d7 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=6cFZRJIsygQ8aEszaMkA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-25_06,2025-08-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508230043 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Abhinav Kumar Add an API dp_display_get_panel() to initialize and return a DP panel to be used by DP MST module. Since some of the fields of DP panel are private, dp_display module needs to initialize these parts and return the panel back. Signed-off-by: Abhinav Kumar Signed-off-by: Yongxing Mou --- drivers/gpu/drm/msm/dp/dp_display.c | 23 +++++++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_display.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 84df34306fb557341bea288ea8c13b0c81b11919..abcab3ed43b6da5ef898355cf9b7561cd9fe0404 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -632,6 +632,29 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data) return 0; } +struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_display) +{ + struct msm_dp_display_private *dp; + struct msm_dp_panel *dp_panel; + + dp = container_of(msm_dp_display, struct msm_dp_display_private, msm_dp_display); + + dp_panel = msm_dp_panel_get(&dp->msm_dp_display.pdev->dev, dp->aux, dp->link, + dp->link_base, dp->mst2link_base, dp->mst3link_base, + dp->pixel_base); + + if (IS_ERR(dp->panel)) { + DRM_ERROR("failed to initialize panel\n"); + return NULL; + } + + memcpy(dp_panel->dpcd, dp->panel->dpcd, DP_RECEIVER_CAP_SIZE); + memcpy(&dp_panel->link_info, &dp->panel->link_info, + sizeof(dp->panel->link_info)); + + return dp_panel; +} + static void msm_dp_display_deinit_sub_modules(struct msm_dp_display_private *dp) { msm_dp_audio_put(dp->audio); diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index b1ea027438d952c94f3ae80725c92e46c631bdb2..d5889b801d190b6f33b180ead898c1e4ebcbf8f3 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -65,4 +65,6 @@ void msm_dp_display_unprepare(struct msm_dp *dp); int msm_dp_display_get_active_stream_cnt(struct msm_dp *msm_dp_display); +struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_display); + #endif /* _DP_DISPLAY_H_ */ -- 2.34.1