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X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2020 09:46:50.8926 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 51bbdf4f-6c0b-47ad-5083-08d887b90bc7 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[199.43.4.23];Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM12FT008.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR07MB6188 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-13_07:2020-11-12,2020-11-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 phishscore=0 adultscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 suspectscore=0 clxscore=1015 mlxscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011130057 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds minimal output bus format negotiation support. Currently we are adding support for only MEDIA_BUS_FMT_FIXED. Signed-off-by: Yuti Amonkar --- .../drm/bridge/cadence/cdns-mhdp8546-core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c index 6beccd2a408e..bdb0d95aa412 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c @@ -2102,6 +2102,23 @@ static u32 *cdns_mhdp_get_input_bus_fmts(struct drm_bridge *bridge, return input_fmts; } +static u32 *cdns_mhdp_get_output_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + unsigned int *num_output_fmts) +{ + u32 *output_fmts; + + output_fmts = kzalloc(sizeof(*output_fmts), GFP_KERNEL); + if (!output_fmts) + return NULL; + + *num_output_fmts = 1; + output_fmts[0] = MEDIA_BUS_FMT_FIXED; + return output_fmts; +} + static int cdns_mhdp_atomic_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, @@ -2170,6 +2187,7 @@ static const struct drm_bridge_funcs cdns_mhdp_bridge_funcs = { .atomic_destroy_state = cdns_mhdp_bridge_atomic_destroy_state, .atomic_reset = cdns_mhdp_bridge_atomic_reset, .atomic_get_input_bus_fmts = cdns_mhdp_get_input_bus_fmts, + .atomic_get_output_bus_fmts = cdns_mhdp_get_output_bus_fmts, .detect = cdns_mhdp_bridge_detect, .get_edid = cdns_mhdp_bridge_get_edid, .hpd_enable = cdns_mhdp_bridge_hpd_enable, -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94F2DC63697 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This patch adds minimal output bus format negotiation support. Currently we are adding support for only MEDIA_BUS_FMT_FIXED. Signed-off-by: Yuti Amonkar --- .../drm/bridge/cadence/cdns-mhdp8546-core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c index 6beccd2a408e..bdb0d95aa412 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c @@ -2102,6 +2102,23 @@ static u32 *cdns_mhdp_get_input_bus_fmts(struct drm_bridge *bridge, return input_fmts; } +static u32 *cdns_mhdp_get_output_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + unsigned int *num_output_fmts) +{ + u32 *output_fmts; + + output_fmts = kzalloc(sizeof(*output_fmts), GFP_KERNEL); + if (!output_fmts) + return NULL; + + *num_output_fmts = 1; + output_fmts[0] = MEDIA_BUS_FMT_FIXED; + return output_fmts; +} + static int cdns_mhdp_atomic_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, @@ -2170,6 +2187,7 @@ static const struct drm_bridge_funcs cdns_mhdp_bridge_funcs = { .atomic_destroy_state = cdns_mhdp_bridge_atomic_destroy_state, .atomic_reset = cdns_mhdp_bridge_atomic_reset, .atomic_get_input_bus_fmts = cdns_mhdp_get_input_bus_fmts, + .atomic_get_output_bus_fmts = cdns_mhdp_get_output_bus_fmts, .detect = cdns_mhdp_bridge_detect, .get_edid = cdns_mhdp_bridge_get_edid, .hpd_enable = cdns_mhdp_bridge_hpd_enable, -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel