From: Joseph Gravenor <joseph.grave...@amd.com>
[why]
we want to increase the pte row plus 1 line if chroma viewport
height is integer multiple of the pte row height
[how]
instead of ceiling viewport height, we floor it. this allows
us to accommodate both cases: those where the chroma viewport
height is integer multiple of the pte row height and those where
it is not
Signed-off-by: Joseph Gravenor <joseph.grave...@amd.com>
Reviewed-by: Tony Cheng <tony.ch...@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
index 1ddd6ae22155..d86b6b6211bc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
@@ -204,8 +204,8 @@ void hubp21_set_viewport(
PTE_ROW_HEIGHT_LINEAR, &pte_row_height);
pte_row_height = 1 << (pte_row_height + 3);
- pte_rows = (viewport_c->height + pte_row_height - 1) /
pte_row_height;
- patched_viewport_height = pte_rows * pte_row_height + 3;
+ pte_rows = (viewport_c->height / pte_row_height) + 1;
+ patched_viewport_height = pte_rows * pte_row_height + 1;
}
--
2.24.0
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