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authorAnson Jacob <Anson.Jacob@amd.com>2021-02-19 03:42:57 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-02-23 02:19:54 +0300
commitefc8278eecfd5e6fa36c5d41e71d038f534fe107 (patch)
treefa025ab40cc41a0afb8c0f92b9a1a8d97cf68edd /drivers/gpu/drm/amd/display/dc
parent7b3d19a76d6824e5c0455566b348e1a5267383af (diff)
downloadlinux-efc8278eecfd5e6fa36c5d41e71d038f534fe107.tar.xz
Revert "drm/amd/display: reuse current context instead of recreating one"
This reverts commit 8866a67ab86cc0812e65c04f1ef02bcc41e24d68. 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
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c27
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_stream.h3
2 files changed, 10 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index c9aede2f783d..8f8a13c7cf73 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -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];
- /* 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;
+ if (new_pipe->plane_state && new_pipe->plane_state != old_pipe->plane_state)
+ new_pipe->plane_state->force_full_update = true;
}
-
}
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index a4f7ec888c67..80b67b860091 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -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.
*/