Commit be7a6a51 authored by Sung Joon Kim's avatar Sung Joon Kim Committed by Alex Deucher
Browse files

drm/amd/display: Check stream pointer is initialized before accessing 



[why & how]
We calculate static screen wait frames based
on the current timing info in the active stream.
If stream is not initialized, then we should skip
the calculation and go with the default values.

Reviewed-by: default avatarGabe Teeger <gabe.teeger@amd.com>
Signed-off-by: default avatarJerry Zuo <jerry.zuo@amd.com>
Signed-off-by: default avatarSung Joon Kim <sungjoon.kim@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 08cbe68d

drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c

+3 −4
Original line number Diff line number Diff line
@@ -1461,10 +1461,9 @@ void dcn35_set_drr(struct pipe_ctx **pipe_ctx, 


	for (i = 0; i < num_pipes; i++) {

		if ((pipe_ctx[i]->stream_res.tg != NULL) && pipe_ctx[i]->stream_res.tg->funcs) {

			if (pipe_ctx[i]->stream && pipe_ctx[i]->stream->ctx->dc->debug.static_screen_wait_frames) {

				struct dc_crtc_timing *timing = &pipe_ctx[i]->stream->timing;

				struct dc *dc = pipe_ctx[i]->stream->ctx->dc;



			if (dc->debug.static_screen_wait_frames) {

				unsigned int frame_rate = timing->pix_clk_100hz / (timing->h_total * timing->v_total);



				if (frame_rate >= 120 && dc->caps.ips_support &&