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drm/amd/display: Toggle VSR button cause system crash

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[Why]
in dcn10_apply_ctx_for_surface(), if we hit !top_pipe_to_program,
pipe_ctx->update_flags could not get cleared.

[How]
Moved clearing pipe_ctx->update_flags logic before if
(!top_pipe_to_program) to gurantee pipe_ctx->update_flags get cleared.

Signed-off-by: Peikang Zhang <peikang.zhang@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Peikang Zhang 2020-01-30 10:49:46 -05:00 committed by Alex Deucher
parent 945628101b
commit 7ba99b43be
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
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@ -2540,6 +2540,12 @@ void dcn10_apply_ctx_for_surface(
dcn10_find_top_pipe_for_stream(dc, context, stream);
DC_LOGGER_INIT(dc->ctx->logger);
// Clear pipe_ctx flag
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
pipe_ctx->update_flags.raw = 0;
}
if (!top_pipe_to_program)
return;
@ -2570,8 +2576,6 @@ void dcn10_apply_ctx_for_surface(
struct pipe_ctx *old_pipe_ctx =
&dc->current_state->res_ctx.pipe_ctx[i];
pipe_ctx->update_flags.raw = 0;
if ((!pipe_ctx->plane_state ||
pipe_ctx->stream_res.tg != old_pipe_ctx->stream_res.tg) &&
old_pipe_ctx->plane_state &&