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authorDave Airlie <airlied@redhat.com>2020-12-24 10:31:15 +1000
committerDave Airlie <airlied@redhat.com>2020-12-24 10:31:16 +1000
commit5b2fc08c455bbf749489254a81baeffdf4c0a693 (patch)
tree1e231bff632a5ee7440c0cda01f14e4556f8ddd0 /drivers/gpu/drm/amd/display/modules/hdcp
parent399895b3e25f875548d0cb04e1b2253d066ff0e4 (diff)
parenta135a1b4c4db1f3b8cbed9676a40ede39feb3362 (diff)
downloadlinux-5b2fc08c455bbf749489254a81baeffdf4c0a693.tar.bz2
Merge tag 'amd-drm-fixes-5.11-2020-12-23' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-fixes-5.11-2020-12-23: amdgpu: - Vangogh SMU fixes - Arcturus gfx9 fixes - Misc display fixes - Sienna Cichlid SMU update - Fix S3 display memory leak - Fix regression caused by DP sub-connector support amdkfd: - Properly require pcie atomics for gfx10 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201223204752.4019-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp')
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c8
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c7
2 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
index f244b72e74e0..73ca49f05bd3 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
@@ -128,8 +128,12 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
- /* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
+ /* Some MST display may choose to report the internal panel as an HDCP RX.
+ * To update this condition with 1(because the immediate repeater's internal
+ * panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp).
+ * Device count must be greater than or equal to tracked hdcp displays.
+ */
+ return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index 549c113abcf7..a0895a7efda2 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -207,8 +207,11 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
- /* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
+ /* Some MST display may choose to report the internal panel as an HDCP RX. */
+ /* To update this condition with 1(because the immediate repeater's internal */
+ /* panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp). */
+ /* Device count must be greater than or equal to tracked hdcp displays. */
+ return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}