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authorDave Airlie <airlied@redhat.com>2021-12-10 14:10:55 +1000
committerDave Airlie <airlied@redhat.com>2021-12-10 14:10:55 +1000
commit675a095789a2663fe02fdebd6023e29d7f1f51ac (patch)
tree73a7393ec086a42e60da4e4ce2b26312df373ba6 /drivers/gpu/drm
parent233bee7e365a3381e22bf17455b39298d8d9b095 (diff)
parent0755c38eb007196a5f779298b4a5f46c4eec41d2 (diff)
Merge tag 'amd-drm-fixes-5.16-2021-12-08' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.16-2021-12-08: amdgpu: - DPIA fix - eDP fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211209042824.6720-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c7
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_link.h2
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1cd6b9f4a568..122dae1a1813 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2576,7 +2576,8 @@ static int dm_resume(void *handle)
*/
link_enc_cfg_init(dm->dc, dc_state);
- amdgpu_dm_outbox_init(adev);
+ if (dc_enable_dmub_notifications(adev->dm.dc))
+ amdgpu_dm_outbox_init(adev);
r = dm_dmub_hw_init(adev);
if (r)
@@ -2625,6 +2626,10 @@ static int dm_resume(void *handle)
/* TODO: Remove dc_state->dccg, use dc->dccg directly. */
dc_resource_state_construct(dm->dc, dm_state->context);
+ /* Re-enable outbox interrupts for DPIA. */
+ if (dc_enable_dmub_notifications(adev->dm.dc))
+ amdgpu_dm_outbox_init(adev);
+
/* Before powering on DC we need to re-initialize DMUB. */
r = dm_dmub_hw_init(adev);
if (r)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index b01077a6af0e..fad3d883ed89 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -226,6 +226,8 @@ static inline void get_edp_links(const struct dc *dc,
*edp_num = 0;
for (i = 0; i < dc->link_count; i++) {
// report any eDP links, even unconnected DDI's
+ if (!dc->links[i])
+ continue;
if (dc->links[i]->connector_signal == SIGNAL_TYPE_EDP) {
edp_links[*edp_num] = dc->links[i];
if (++(*edp_num) == MAX_NUM_EDP)