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authorMaarten Lankhorst <[email protected]>2025-07-08 14:49:07 +0000
committerMaarten Lankhorst <[email protected]>2025-07-08 14:49:07 +0000
commite21354aea4b4420b53c44e36828607a7c94a994c (patch)
tree003636d3a15eaebe9b948f9f8db6ad9e52a7e12c /drivers/gpu/drm/i915/display/intel_dp_hdcp.c
parentdrm/tegra: Use dma_buf from GEM object instance (diff)
parentMerge tag 'drm-msm-next-2025-07-05' of https://gitlab.freedesktop.org/drm/msm... (diff)
downloadkernel-e21354aea4b4420b53c44e36828607a7c94a994c.tar.gz
kernel-e21354aea4b4420b53c44e36828607a7c94a994c.zip
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Pull in drm-intel-next for the updates to drm panic handling. Signed-off-by: Maarten Lankhorst <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_hdcp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_hdcp.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
index cc312596fb77..bd757db85927 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
@@ -11,9 +11,9 @@
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_print.h>
-#include "i915_reg.h"
#include "intel_ddi.h"
#include "intel_de.h"
+#include "intel_display_regs.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_dp_hdcp.h"
@@ -805,10 +805,16 @@ intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector,
enum pipe pipe = (enum pipe)cpu_transcoder;
enum port port = dig_port->base.port;
int ret;
+ u32 val;
+ u8 stream_type;
- drm_WARN_ON(display->drm, enable &&
- !!(intel_de_read(display, HDCP2_AUTH_STREAM(display, cpu_transcoder, port))
- & AUTH_STREAM_TYPE) != data->streams[0].stream_type);
+ if (DISPLAY_VER(display) < 30) {
+ val = intel_de_read(display,
+ HDCP2_AUTH_STREAM(display, cpu_transcoder, port));
+ stream_type = REG_FIELD_GET(AUTH_STREAM_TYPE_MASK, val);
+ drm_WARN_ON(display->drm, enable &&
+ stream_type != data->streams[0].stream_type);
+ }
ret = intel_dp_mst_toggle_hdcp_stream_select(connector, enable);
if (ret)
@@ -824,6 +830,14 @@ intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector,
return -ETIMEDOUT;
}
+ if (DISPLAY_VER(display) >= 30) {
+ val = intel_de_read(display,
+ HDCP2_STREAM_STATUS(display, cpu_transcoder, port));
+ stream_type = REG_FIELD_GET(STREAM_TYPE_STATUS_MASK, val);
+ drm_WARN_ON(display->drm, enable &&
+ stream_type != data->streams[0].stream_type);
+ }
+
return 0;
}