Commit 623588b8 authored Mar 25, 2019 by David Francis Committed by Alex Deucher Apr 15, 2019

drm/amd/display: Handle get crtc position error



[Why]
dc_stream_get_crtc_position can return false.
This was unhandled in delay_cursor_until_vupdate

[How]
If dc_stream_get_crtc_position returns false, something
is weird.  Don't delay.

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Bhawanpreet Lakha &lt;Bhawanpreet <Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent ea36ad34

drivers/gpu/drm/amd/display/dc/core/dc_stream.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -211,7 +211,8 @@ static void delay_cursor_until_vupdate(struct pipe_ctx pipe_ctx, struct dc dc)
		ASIC_REV_IS_RAVEN(stream->ctx->asic_id.hw_internal_rev)) {

		vupdate_line = get_vupdate_offset_from_vsync(pipe_ctx);
		dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos);
		if (!dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos))
		return;

		if (vpos >= vupdate_line)
		return;

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