6.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Samson Tam Samson.Tam@amd.com
[ Upstream commit 2a4519c4e9b2e1f622ab4c5f5841abdb9760cb0b ]
[Why & How] LLS policy not affected by TF. Remove check in don't care case and use pixel format only.
Reviewed-by: Navid Assadian navid.assadian@amd.com Signed-off-by: Samson Tam Samson.Tam@amd.com Signed-off-by: Aurabindo Pillai aurabindo.pillai@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/spl/dc_spl.c | 31 +++++---------------- 1 file changed, 7 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c index 153b7a8904e1e..047f05ab01810 100644 --- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c +++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c @@ -784,25 +784,13 @@ static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in, return SCL_MODE_SCALING_420_YCBCR_ENABLE; }
-static bool spl_choose_lls_policy(enum spl_pixel_format format, - enum spl_transfer_func_type tf_type, - enum spl_transfer_func_predefined tf_predefined_type, +static void spl_choose_lls_policy(enum spl_pixel_format format, enum linear_light_scaling *lls_pref) { - if (spl_is_video_format(format)) { + if (spl_is_subsampled_format(format)) *lls_pref = LLS_PREF_NO; - if ((tf_type == SPL_TF_TYPE_PREDEFINED) || - (tf_type == SPL_TF_TYPE_DISTRIBUTED_POINTS)) - return true; - } else { /* RGB or YUV444 */ - if ((tf_type == SPL_TF_TYPE_PREDEFINED) || - (tf_type == SPL_TF_TYPE_BYPASS)) { - *lls_pref = LLS_PREF_YES; - return true; - } - } - *lls_pref = LLS_PREF_NO; - return false; + else /* RGB or YUV444 */ + *lls_pref = LLS_PREF_YES; }
/* Enable EASF ?*/ @@ -811,7 +799,6 @@ static bool enable_easf(struct spl_in *spl_in, struct spl_scratch *spl_scratch) int vratio = 0; int hratio = 0; bool skip_easf = false; - bool lls_enable_easf = true;
if (spl_in->disable_easf) skip_easf = true; @@ -827,17 +814,13 @@ static bool enable_easf(struct spl_in *spl_in, struct spl_scratch *spl_scratch) skip_easf = true;
/* - * If lls_pref is LLS_PREF_DONT_CARE, then use pixel format and transfer - * function to determine whether to use LINEAR or NONLINEAR scaling + * If lls_pref is LLS_PREF_DONT_CARE, then use pixel format + * to determine whether to use LINEAR or NONLINEAR scaling */ if (spl_in->lls_pref == LLS_PREF_DONT_CARE) - lls_enable_easf = spl_choose_lls_policy(spl_in->basic_in.format, - spl_in->basic_in.tf_type, spl_in->basic_in.tf_predefined_type, + spl_choose_lls_policy(spl_in->basic_in.format, &spl_in->lls_pref);
- if (!lls_enable_easf) - skip_easf = true; - /* Check for linear scaling or EASF preferred */ if (spl_in->lls_pref != LLS_PREF_YES && !spl_in->prefer_easf) skip_easf = true;