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authorChris Park <chris.park@amd.com>2025-03-31 23:04:55 +0300
committerAlex Deucher <alexander.deucher@amd.com>2025-04-21 18:27:25 +0300
commit724a4b400bfcce27b155863fc36fe7bef58f768e (patch)
tree13e4c3eb10508a40d8b72277dec42953649354eb /drivers/gpu/drm/amd/display/dc/dc.h
parentf53d0f48a89ccf13a1598985ab1782ec105cb049 (diff)
downloadlinux-724a4b400bfcce27b155863fc36fe7bef58f768e.tar.xz
drm/amd/display: Implement HDMI Read Request
[Why] Read Request provides alterative method to polling to the HDMI sinks that support it. [How] Implement Read Request where interrupt can be generated by the sink. Reviewed-by: Joshua Aberback <joshua.aberback@amd.com> Signed-off-by: Chris Park <chris.park@amd.com> Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Tested-by: Mark Broadworth <mark.broadworth@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 7624b909497e..04b1c7b331a6 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1436,6 +1436,7 @@ struct dc_scratch_space {
enum signal_type connector_signal;
enum dc_irq_source irq_source_hpd;
enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
+ enum dc_irq_source irq_source_read_request;/* Read Request */
bool is_hpd_filter_disabled;
bool dp_ss_off;