From: Alvin Lee alvin.lee2@amd.com

commit 8a0f02b7beed7b2b768dbdf3b79960de68f460c5 upstream.

[Why] There is some logic error where the wrong variable was used to check for OTG_MASTER and DPP_PIPE.

[How] Add booleans to confirm that the expected pipes were found before validating schedulability.

Tested-by: Daniel Wheeler daniel.wheeler@amd.com Acked-by: Rodrigo Siqueira rodrigo.siqueira@amd.com Reviewed-by: Samson Tam samson.tam@amd.com Reviewed-by: Chaitanya Dhere chaitanya.dhere@amd.com Signed-off-by: Alvin Lee alvin.lee2@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Murad Masimov m.masimov@maxima.ru --- .../drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 3d82cbef1274..7160380d5690 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -879,6 +879,8 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context) int16_t stretched_drr_us = 0; int16_t drr_stretched_vblank_us = 0; int16_t max_vblank_mallregion = 0; + bool subvp_found = false; + bool drr_found = false;

// Find SubVP pipe for (i = 0; i < dc->res_pool->pipe_count; i++) { @@ -891,8 +893,10 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context) continue;

// Find the SubVP pipe - if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) + if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) { + subvp_found = true; break; + } }

// Find the DRR pipe @@ -900,15 +904,20 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context) drr_pipe = &context->res_ctx.pipe_ctx[i];

// We check for master pipe only - if (!resource_is_pipe_type(pipe, OTG_MASTER) || - !resource_is_pipe_type(pipe, DPP_PIPE)) + if (!resource_is_pipe_type(drr_pipe, OTG_MASTER) || + !resource_is_pipe_type(drr_pipe, DPP_PIPE)) continue;

if (drr_pipe->stream->mall_stream_config.type == SUBVP_NONE && drr_pipe->stream->ignore_msa_timing_param && - (drr_pipe->stream->allow_freesync || drr_pipe->stream->vrr_active_variable)) + (drr_pipe->stream->allow_freesync || drr_pipe->stream->vrr_active_variable)) { + drr_found = true; break; + } }

+ if (!subvp_found || !drr_found) + return false; + main_timing = &pipe->stream->timing; phantom_timing = &pipe->stream->mall_stream_config.paired_stream->timing; drr_timing = &drr_pipe->stream->timing;