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=?utf-8?B?U3RMeURONUZ4b09LanJXc0hZUEZKMUxhdE5Dc0laa0tQTkd4b3E5eDBXeFV4?= =?utf-8?B?L1dGWXVuWGowQkZsaHlSc0lFa1FUNU1hWHRxbUVKengvUXcva2E5dEZPM2pm?= =?utf-8?Q?6HktFYYhJQnjY5VmqK9jDcqiJ?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: be9e9692-cc19-4779-5455-08daf5a65d23 X-MS-Exchange-CrossTenant-AuthSource: CO6PR12MB5427.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jan 2023 20:40:10.9674 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6jdzyIvuRNlP3anfN+lREGIU5wfFgDYfcOCh11imPFTBgYUHVfFcFQvE8pWiX7g7pr0lShTyYDTuapVqnAX6Jg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6611 Subject: Re: [Intel-gfx] [PATCH 1/2] drm: Add SDP Error Detection Configuration Register X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 1/12/23 23:36, Arun R Murthy wrote: > DP2.0 E11 defines a new register to facilitate SDP error detection by a > 128B/132B capable DPRX device. > > Signed-off-by: Arun R Murthy > --- > include/drm/display/drm_dp.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h > index 9bc22a02874d..8bf6f0a60c38 100644 > --- a/include/drm/display/drm_dp.h > +++ b/include/drm/display/drm_dp.h > @@ -691,6 +691,9 @@ > # define DP_FEC_LANE_2_SELECT (2 << 4) > # define DP_FEC_LANE_3_SELECT (3 << 4) > > +#define DP_SDP_ERROR_DETECTION 0x121 /* DP 2.0 E11 */ If we're sticking with copying the exact naming from the DP spec this might be more correctly be named DP_SDP_ERROR_DETECTION_CONFIGURATION Harry > +#define DP_SDP_CRC16_128B132B_EN BIT(0) > + > #define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */ > # define DP_AUX_FRAME_SYNC_VALID (1 << 0) >