diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4367-drm-amd-display-disable-FBC-on-underlay-pipe.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4367-drm-amd-display-disable-FBC-on-underlay-pipe.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4367-drm-amd-display-disable-FBC-on-underlay-pipe.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4367-drm-amd-display-disable-FBC-on-underlay-pipe.patch new file mode 100644 index 00000000..b7ce5007 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4367-drm-amd-display-disable-FBC-on-underlay-pipe.patch @@ -0,0 +1,45 @@ +From d483aef9196e297eb956aeb8e62946ccf70a0458 Mon Sep 17 00:00:00 2001 +From: Shirish S <shirish.s@amd.com> +Date: Wed, 25 Apr 2018 14:42:28 +0530 +Subject: [PATCH 4367/5725] drm/amd/display: disable FBC on underlay pipe + +FBC is not applicable for the underlay pipe, +hence disallow enabling and disabling of the same. + +This also fixes the BUG hit of calling sleep in +atomic context. + +Signed-off-by: Shirish S <shirish.s@amd.com> +Reviewed-by: Roman Li <Roman.Li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index 6a0ae02..45578d4 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -2764,6 +2764,9 @@ static void dce110_program_front_end_for_pipe( + struct dc_plane_state *plane_state = pipe_ctx->plane_state; + struct xfm_grph_csc_adjustment adjust; + struct out_csc_color_matrix tbl_entry; ++#if defined(CONFIG_DRM_AMD_DC_FBC) ++ unsigned int underlay_idx = dc->res_pool->underlay_pipe_index; ++#endif + unsigned int i; + DC_LOGGER_INIT(); + memset(&tbl_entry, 0, sizeof(tbl_entry)); +@@ -2805,7 +2808,9 @@ static void dce110_program_front_end_for_pipe( + program_scaler(dc, pipe_ctx); + + #if defined(CONFIG_DRM_AMD_DC_FBC) +- if (dc->fbc_compressor && old_pipe->stream) { ++ /* fbc not applicable on Underlay pipe */ ++ if (dc->fbc_compressor && old_pipe->stream && ++ pipe_ctx->pipe_idx != underlay_idx) { + if (plane_state->tiling_info.gfx8.array_mode == DC_ARRAY_LINEAR_GENERAL) + dc->fbc_compressor->funcs->disable_fbc(dc->fbc_compressor); + else +-- +2.7.4 + |