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drm/amd/display: disable FBC on underlay pipe

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FBC is not applicable for the underlay pipe,
hence disallow enabling and disabling of the same.

This also fixes the BUG hit of calling sleep in
atomic context.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shirish S 2018-04-25 14:42:28 +05:30 committed by Alex Deucher
parent f7dbe9186d
commit 87ac8fb08b
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
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@ -2747,6 +2747,9 @@ static void dce110_program_front_end_for_pipe(
struct dc_plane_state *plane_state = pipe_ctx->plane_state;
struct xfm_grph_csc_adjustment adjust;
struct out_csc_color_matrix tbl_entry;
#if defined(CONFIG_DRM_AMD_DC_FBC)
unsigned int underlay_idx = dc->res_pool->underlay_pipe_index;
#endif
unsigned int i;
DC_LOGGER_INIT();
memset(&tbl_entry, 0, sizeof(tbl_entry));
@ -2788,7 +2791,9 @@ static void dce110_program_front_end_for_pipe(
program_scaler(dc, pipe_ctx);
#if defined(CONFIG_DRM_AMD_DC_FBC)
if (dc->fbc_compressor && old_pipe->stream) {
/* fbc not applicable on Underlay pipe */
if (dc->fbc_compressor && old_pipe->stream &&
pipe_ctx->pipe_idx != underlay_idx) {
if (plane_state->tiling_info.gfx8.array_mode == DC_ARRAY_LINEAR_GENERAL)
dc->fbc_compressor->funcs->disable_fbc(dc->fbc_compressor);
else