6.6-stable review patch. If anyone has any objections, please let me know.
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From: Martin Leung martin.leung@amd.com
commit f2703a3596a279b0be6eeed4c500bdbaa8dc3ce4 upstream.
why and how: causes black screen on PNP on DCN 3.5
This reverts commit f30a3bea92bd ("drm/amd/display: Exit idle optimizations before HDCP execution")
Cc: Mario Limonciello mario.limonciello@amd.com Cc: Alex Deucher alexander.deucher@amd.com Reviewed-by: Nicholas Kazlauskas nicholas.kazlauskas@amd.com Acked-by: Wayne Lin wayne.lin@amd.com Signed-off-by: Martin Leung martin.leung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | 10 ---------- drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h | 8 -------- 2 files changed, 18 deletions(-)
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c @@ -88,14 +88,6 @@ static uint8_t is_cp_desired_hdcp2(struc !hdcp->connection.is_hdcp2_revoked; }
-static void exit_idle_optimizations(struct mod_hdcp *hdcp) -{ - struct mod_hdcp_dm *dm = &hdcp->config.dm; - - if (dm->funcs.exit_idle_optimizations) - dm->funcs.exit_idle_optimizations(dm->handle); -} - static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, struct mod_hdcp_event_context *event_ctx, union mod_hdcp_transition_input *input) @@ -551,8 +543,6 @@ enum mod_hdcp_status mod_hdcp_process_ev memset(&event_ctx, 0, sizeof(struct mod_hdcp_event_context)); event_ctx.event = event;
- exit_idle_optimizations(hdcp); - /* execute and transition */ exec_status = execution(hdcp, &event_ctx, &hdcp->auth.trans_input); trans_status = transition( --- a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h @@ -156,13 +156,6 @@ struct mod_hdcp_ddc { } funcs; };
-struct mod_hdcp_dm { - void *handle; - struct { - void (*exit_idle_optimizations)(void *handle); - } funcs; -}; - struct mod_hdcp_psp { void *handle; void *funcs; @@ -279,7 +272,6 @@ struct mod_hdcp_display_query { struct mod_hdcp_config { struct mod_hdcp_psp psp; struct mod_hdcp_ddc ddc; - struct mod_hdcp_dm dm; uint8_t index; };