diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3656-drm-amd-display-validate-plane-in-dce110-for-scaling.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3656-drm-amd-display-validate-plane-in-dce110-for-scaling.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3656-drm-amd-display-validate-plane-in-dce110-for-scaling.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3656-drm-amd-display-validate-plane-in-dce110-for-scaling.patch new file mode 100644 index 00000000..35f60f82 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3656-drm-amd-display-validate-plane-in-dce110-for-scaling.patch @@ -0,0 +1,49 @@ +From 4123e3a6974b911384114dae03c5204d2d7b6279 Mon Sep 17 00:00:00 2001 +From: Shirish S <shirish.s@amd.com> +Date: Tue, 13 Feb 2018 14:11:37 +0530 +Subject: [PATCH 3656/4131] drm/amd/display: validate plane in dce110 for + scaling + +CZ & ST support uptil a limit 2:1 downscaling, this patch +adds validate_plane hook, that shall be used to validate +the plane attributes sent by the user space based +on dce110 capabilities. + +Signed-off-by: Shirish S <shirish.s@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +index 9b34c40..830cbbc 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +@@ -846,6 +846,16 @@ static bool dce110_validate_bandwidth( + return result; + } + ++enum dc_status dce110_validate_plane(const struct dc_plane_state *plane_state, ++ struct dc_caps *caps) ++{ ++ if (((plane_state->dst_rect.width * 2) < plane_state->src_rect.width) || ++ ((plane_state->dst_rect.height * 2) < plane_state->src_rect.height)) ++ return DC_FAIL_SURFACE_VALIDATE; ++ ++ return DC_OK; ++} ++ + static bool dce110_validate_surface_sets( + struct dc_state *context) + { +@@ -1021,6 +1031,7 @@ static const struct resource_funcs dce110_res_pool_funcs = { + .link_enc_create = dce110_link_encoder_create, + .validate_guaranteed = dce110_validate_guaranteed, + .validate_bandwidth = dce110_validate_bandwidth, ++ .validate_plane = dce110_validate_plane, + .acquire_idle_pipe_for_layer = dce110_acquire_underlay, + .add_stream_to_ctx = dce110_add_stream_to_ctx, + .validate_global = dce110_validate_global +-- +2.7.4 + |