diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4796-drm-amd-display-Check-scaling-ration-not-viewports-p.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4796-drm-amd-display-Check-scaling-ration-not-viewports-p.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4796-drm-amd-display-Check-scaling-ration-not-viewports-p.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4796-drm-amd-display-Check-scaling-ration-not-viewports-p.patch new file mode 100644 index 00000000..a59b16a5 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4796-drm-amd-display-Check-scaling-ration-not-viewports-p.patch @@ -0,0 +1,40 @@ +From 28adce9f6ed1135f7eca199ff9ed4557de48bd93 Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Fri, 8 Jun 2018 13:07:53 -0500 +Subject: [PATCH 4796/5725] drm/amd/display: Check scaling ration not viewports + params. + +In case of roation, width and height in viewport is difference +between viewport and h_active and v_active, while this is not scaling. +The right way is check ratios in scaling data, +to determine it is a scaling case or not. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +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 c69fa4b..742fd49 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +@@ -145,10 +145,10 @@ static bool dpp_get_optimal_number_of_taps( + pixel_width = scl_data->viewport.width; + + /* Some ASICs does not support FP16 scaling, so we reject modes require this*/ +- if (scl_data->viewport.width != scl_data->h_active && +- scl_data->viewport.height != scl_data->v_active && ++ if (scl_data->format == PIXEL_FORMAT_FP16 && + dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT && +- scl_data->format == PIXEL_FORMAT_FP16) ++ scl_data->ratios.horz.value != dc_fixpt_one.value && ++ scl_data->ratios.vert.value != dc_fixpt_one.value) + return false; + + if (scl_data->viewport.width > scl_data->h_active && +-- +2.7.4 + |