From: Dmytro Laktyushkin <[email protected]>
Signed-off-by: Dmytro Laktyushkin <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 9 +++++++++
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 9 ++++-----
2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index b5bc9159f48e..453ec1c6c181 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -897,6 +897,15 @@ bool dcn_validate_bandwidth(
v->override_vta_ps[input_idx] =
pipe->plane_res.scl_data.taps.v_taps;
v->override_hta_pschroma[input_idx] =
pipe->plane_res.scl_data.taps.h_taps_c;
v->override_vta_pschroma[input_idx] =
pipe->plane_res.scl_data.taps.v_taps_c;
+ /*
+ * Spreadsheet doesn't handle taps_c is one properly,
+ * need to force Chroma to always be scaled to pass
+ * bandwidth validation.
+ */
+ if (v->override_hta_pschroma[input_idx] == 1)
+ v->override_hta_pschroma[input_idx] = 2;
+ if (v->override_vta_pschroma[input_idx] == 1)
+ v->override_vta_pschroma[input_idx] = 2;
v->source_scan[input_idx] =
(pipe->plane_state->rotation % 2) ? dcn_bw_vert : dcn_bw_hor;
}
if (v->is_line_buffer_bpp_fixed == dcn_bw_yes)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index 5a95fa03bc17..6db1839d7155 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -159,11 +159,10 @@ bool dpp_get_optimal_number_of_taps(
scl_data->taps.h_taps = 1;
if (IDENTITY_RATIO(scl_data->ratios.vert))
scl_data->taps.v_taps = 1;
- /*
- * Spreadsheet doesn't handle taps_c is one properly,
- * need to force Chroma to always be scaled to pass
- * bandwidth validation.
- */
+ if (IDENTITY_RATIO(scl_data->ratios.horz_c))
+ scl_data->taps.h_taps_c = 1;
+ if (IDENTITY_RATIO(scl_data->ratios.vert_c))
+ scl_data->taps.v_taps_c = 1;
}
return true;
--
2.14.1
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