Commit 87ac8fb0 authored by Shirish S's avatar Shirish S Committed by Alex Deucher
Browse files

drm/amd/display: disable FBC on underlay pipe 



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: default avatarShirish S <shirish.s@amd.com>
Reviewed-by: default avatarRoman Li <Roman.Li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f7dbe918

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

+6 −1
Original line number Diff line number Diff line
@@ -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

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