diff options
| author | Harry Wentland <harry.wentland@amd.com> | 2023-04-06 18:06:27 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 13:12:15 -0400 |
| commit | 27fc10d1095f7a7de7c917638d7134033a190dd8 (patch) | |
| tree | 35de0f9d563efb86f600566817a72de12a602ee9 /drivers/gpu/drm/amd/display/dc/dcn30 | |
| parent | a28eb4871acd4132a39a3e93b1e4f4bf500ffb41 (diff) | |
drm/amd/display: Fix the delta clamping for shaper LUT
The shaper LUT requires a 10-bit value of the delta between segments. We
were using dc_fixpt_clamp_u0d10() to do that but it doesn't do what we
want it to do. It will preserve 10-bit precision after the decimal
point, but that's not quite what we want. We want 14-bit precision and
discard the 4 most-significant bytes.
To do that we'll do dc_fixpt_clamp_u0d14() & 0x3ff instead.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Krunoslav Kovac <krunoslav.kovac@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c index 6a3d3a0ec0a3..701c7d8bc038 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c @@ -280,7 +280,7 @@ bool dwb3_ogam_set_input_transfer_func( dwb_ogam_lut = kzalloc(sizeof(*dwb_ogam_lut), GFP_KERNEL); if (dwb_ogam_lut) { - cm_helper_translate_curve_to_hw_format( + cm_helper_translate_curve_to_hw_format(dwbc->ctx, in_transfer_func_dwb_ogam, dwb_ogam_lut, false); diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index b9753867d97b..bf8864bc8a99 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -106,7 +106,7 @@ static bool dcn30_set_mpc_shaper_3dlut(struct pipe_ctx *pipe_ctx, if (stream->func_shaper->type == TF_TYPE_HWPWL) { shaper_lut = &stream->func_shaper->pwl; } else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) { - cm_helper_translate_curve_to_hw_format(stream->func_shaper, + cm_helper_translate_curve_to_hw_format(stream->ctx, stream->func_shaper, &dpp_base->shaper_params, true); shaper_lut = &dpp_base->shaper_params; } |