6.17-stable review patch. If anyone has any objections, please let me know.
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From: Ausef Yousof Ausef.Yousof@amd.com
[ Upstream commit 02a6c2e4b28ff31f7a904c196a99fb2efe81e2cf ]
[why&how] small error in order of operations in immediateflipbytes calculation on dml ms side that can result in dml ms and mp mismatch immediateflip support for a given pipe and thus an invalid hw state, correct the order to align with mp.
Reviewed-by: Leo Chen leo.chen@amd.com Signed-off-by: Ausef Yousof Ausef.Yousof@amd.com Signed-off-by: Ray Wu ray.wu@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c index 715f9019a33e2..4b9b2e84d3811 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c @@ -6529,7 +6529,7 @@ static noinline_for_stack void dml_prefetch_check(struct display_mode_lib_st *mo mode_lib->ms.TotImmediateFlipBytes = 0; for (k = 0; k <= mode_lib->ms.num_active_planes - 1; k++) { if (!(mode_lib->ms.policy.ImmediateFlipRequirement[k] == dml_immediate_flip_not_required)) { - mode_lib->ms.TotImmediateFlipBytes = mode_lib->ms.TotImmediateFlipBytes + mode_lib->ms.NoOfDPP[j][k] * mode_lib->ms.PDEAndMetaPTEBytesPerFrame[j][k] + mode_lib->ms.MetaRowBytes[j][k]; + mode_lib->ms.TotImmediateFlipBytes = mode_lib->ms.TotImmediateFlipBytes + mode_lib->ms.NoOfDPP[j][k] * (mode_lib->ms.PDEAndMetaPTEBytesPerFrame[j][k] + mode_lib->ms.MetaRowBytes[j][k]); if (mode_lib->ms.use_one_row_for_frame_flip[j][k]) { mode_lib->ms.TotImmediateFlipBytes = mode_lib->ms.TotImmediateFlipBytes + mode_lib->ms.NoOfDPP[j][k] * (2 * mode_lib->ms.DPTEBytesPerRow[j][k]); } else {