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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH01EPF000BE94F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5963 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "dri-devel" X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 [Why] drm_get_max_frl_rate() only decodes Max_FRL_Rate values 1-6, so a sink advertising an HDMI 2.2 rate (7, 8 or 9) falls into the default case and is reported as having no FRL support at all. [How] Decode the HDMI 2.2 Max_FRL_Rate values 7, 8 and 9 as 16, 20 and 24 Gbps per lane over 4 lanes. Signed-off-by: Fangzhi Zuo --- drivers/gpu/drm/drm_edid.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 42f4e41c459f..48d5c4bd4812 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -6193,6 +6193,18 @@ void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane *max_lanes = 4; *max_rate_per_lane = 12; break; + case 7: + *max_lanes = 4; + *max_rate_per_lane = 16; + break; + case 8: + *max_lanes = 4; + *max_rate_per_lane = 20; + break; + case 9: + *max_lanes = 4; + *max_rate_per_lane = 24; + break; case 0: default: *max_lanes = 0; -- 2.53.0