From: Ausef Yousof <ausef.you...@amd.com>
[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.c...@amd.com>
Signed-off-by: Ausef Yousof <ausef.you...@amd.com>
Signed-off-by: Ray Wu <ray...@amd.com>
---
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 715f9019a33e..4b9b2e84d381 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 {
--
2.43.0
