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Revert "drm/amd/display: reuse current context instead of recreating one"

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This reverts commit 8866a67ab8.

Reason for revert: This breaks hotplug of HDMI on some systems,
resulting in a blank screen. Caused general hangs on boot/hotplugs.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1487
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1492
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211649
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Anson Jacob
2021-02-18 19:42:57 -05:00
committed by Alex Deucher
parent 7b3d19a76d
commit efc8278eec
3 changed files with 24 additions and 31 deletions
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23
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1936,7 +1936,7 @@ static void dm_gpureset_commit_state(struct dc_state *dc_state,
dc_commit_updates_for_stream(
dm->dc, bundle->surface_updates,
dc_state->stream_status->plane_count,
dc_state->streams[k], &bundle->stream_update);
dc_state->streams[k], &bundle->stream_update, dc_state);
}
cleanup:
@@ -1967,7 +1967,8 @@ static void dm_set_dpms_off(struct dc_link *link)
stream_update.stream = stream_state;
dc_commit_updates_for_stream(stream_state->ctx->dc, NULL, 0,
stream_state, &stream_update);
stream_state, &stream_update,
stream_state->ctx->dc->current_state);
mutex_unlock(&adev->dm.dc_lock);
}
@@ -7663,7 +7664,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
struct drm_crtc *pcrtc,
bool wait_for_vblank)
{
int i;
uint32_t i;
uint64_t timestamp_ns;
struct drm_plane *plane;
struct drm_plane_state *old_plane_state, *new_plane_state;
@@ -7704,7 +7705,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
amdgpu_dm_commit_cursors(state);
/* update planes when needed */
for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
struct drm_crtc *crtc = new_plane_state->crtc;
struct drm_crtc_state *new_crtc_state;
struct drm_framebuffer *fb = new_plane_state->fb;
@@ -7927,7 +7928,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
bundle->surface_updates,
planes_count,
acrtc_state->stream,
&bundle->stream_update);
&bundle->stream_update,
dc_state);
/**
* Enable or disable the interrupts on the backend.
@@ -8263,13 +8265,13 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
struct dc_surface_update surface_updates[MAX_SURFACES];
struct dc_surface_update dummy_updates[MAX_SURFACES];
struct dc_stream_update stream_update;
struct dc_info_packet hdr_packet;
struct dc_stream_status *status = NULL;
bool abm_changed, hdr_changed, scaling_changed;
memset(&surface_updates, 0, sizeof(surface_updates));
memset(&dummy_updates, 0, sizeof(dummy_updates));
memset(&stream_update, 0, sizeof(stream_update));
if (acrtc) {
@@ -8326,15 +8328,16 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
* To fix this, DC should permit updating only stream properties.
*/
for (j = 0; j < status->plane_count; j++)
surface_updates[j].surface = status->plane_states[j];
dummy_updates[j].surface = status->plane_states[0];
mutex_lock(&dm->dc_lock);
dc_commit_updates_for_stream(dm->dc,
surface_updates,
dummy_updates,
status->plane_count,
dm_new_crtc_state->stream,
&stream_update);
&stream_update,
dc_state);
mutex_unlock(&dm->dc_lock);
}