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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -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);
}

29
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -2697,7 +2697,8 @@ void dc_commit_updates_for_stream(struct dc *dc,
struct dc_surface_update *srf_updates,
int surface_count,
struct dc_stream_state *stream,
struct dc_stream_update *stream_update)
struct dc_stream_update *stream_update,
struct dc_state *state)
{
const struct dc_stream_status *stream_status;
enum surface_update_type update_type;
@ -2716,12 +2717,6 @@ void dc_commit_updates_for_stream(struct dc *dc,
if (update_type >= UPDATE_TYPE_FULL) {
struct dc_plane_state *new_planes[MAX_SURFACES];
memset(new_planes, 0, sizeof(new_planes));
for (i = 0; i < surface_count; i++)
new_planes[i] = srf_updates[i].surface;
/* initialize scratch memory for building context */
context = dc_create_state(dc);
@ -2730,21 +2725,15 @@ void dc_commit_updates_for_stream(struct dc *dc,
return;
}
dc_resource_state_copy_construct(
dc->current_state, context);
dc_resource_state_copy_construct(state, context);
/*remove old surfaces from context */
if (!dc_rem_all_planes_for_stream(dc, stream, context)) {
DC_ERROR("Failed to remove streams for new validate context!\n");
return;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i];
struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (new_pipe->plane_state && new_pipe->plane_state != old_pipe->plane_state)
new_pipe->plane_state->force_full_update = true;
}
/* add surface to context */
if (!dc_add_all_planes_for_stream(dc, stream, new_planes, surface_count, context)) {
DC_ERROR("Failed to add streams for new validate context!\n");
return;
}
}

3
drivers/gpu/drm/amd/display/dc/dc_stream.h
View File

@ -294,7 +294,8 @@ void dc_commit_updates_for_stream(struct dc *dc,
struct dc_surface_update *srf_updates,
int surface_count,
struct dc_stream_state *stream,
struct dc_stream_update *stream_update);
struct dc_stream_update *stream_update,
struct dc_state *state);
/*
* Log the current stream state.
*/