diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4471-drm-amd-display-Only-limit-VSR-downscaling-when-actu.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4471-drm-amd-display-Only-limit-VSR-downscaling-when-actu.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4471-drm-amd-display-Only-limit-VSR-downscaling-when-actu.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4471-drm-amd-display-Only-limit-VSR-downscaling-when-actu.patch new file mode 100644 index 00000000..e3f750f4 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4471-drm-amd-display-Only-limit-VSR-downscaling-when-actu.patch @@ -0,0 +1,49 @@ +From 72a06baca99adf700cba16e1adbfaed9eec17219 Mon Sep 17 00:00:00 2001 +From: Xingyue Tao <xingyue.tao@amd.com> +Date: Thu, 19 Apr 2018 16:23:12 -0400 +Subject: [PATCH 4471/5725] drm/amd/display: Only limit VSR downscaling when + actually downscaling + +Signed-off-by: Xingyue Tao <xingyue.tao@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 21 ++++++++++----------- + 1 file changed, 10 insertions(+), 11 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 2da1389..46a35c7 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +@@ -145,18 +145,17 @@ bool dpp_get_optimal_number_of_taps( + else + 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) { +- +- /* Some ASICs does not support FP16 scaling, so we reject modes require this*/ +- if (dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT && +- scl_data->format == PIXEL_FORMAT_FP16) +- return false; +- +- if (dpp->ctx->dc->debug.max_downscale_src_width != 0 && +- scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width) +- return false; +- } ++ scl_data->viewport.height != scl_data->v_active && ++ dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT && ++ scl_data->format == PIXEL_FORMAT_FP16) ++ return false; ++ ++ if (scl_data->viewport.width > scl_data->h_active && ++ dpp->ctx->dc->debug.max_downscale_src_width != 0 && ++ scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width) ++ return false; + + /* TODO: add lb check */ + +-- +2.7.4 + |