diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2620-drm-amd-display-Fix-no-display-on-Fiji.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2620-drm-amd-display-Fix-no-display-on-Fiji.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2620-drm-amd-display-Fix-no-display-on-Fiji.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2620-drm-amd-display-Fix-no-display-on-Fiji.patch new file mode 100644 index 00000000..2aba87f9 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2620-drm-amd-display-Fix-no-display-on-Fiji.patch @@ -0,0 +1,61 @@ +From d528f8e70759802d5d89cd3f4de1684dee74ca4f Mon Sep 17 00:00:00 2001 +From: Jerry Zuo <Jerry.Zuo@amd.com> +Date: Tue, 17 Oct 2017 15:36:13 -0400 +Subject: [PATCH 2620/4131] drm/amd/display: Fix no display on Fiji +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Allocate memory for the second pipe allocate_mem_input() needs to +be done prior to program pipe front end. It shows sensitive to +Fiji. Failure to do so will cause error in allocate memory +allocate_mem_input() on the second connected display. + +Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com> +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +--- + .../drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 19 +++++++++---------- + 1 file changed, 9 insertions(+), 10 deletions(-) + +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 76b48e7..ba00b62 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 +@@ -1372,16 +1372,6 @@ static enum dc_status apply_single_controller_ctx_to_hw( + program_scaler(dc, pipe_ctx); + } + +- /* mst support - use total stream count */ +- if (pipe_ctx->plane_res.mi != NULL) { +- pipe_ctx->plane_res.mi->funcs->allocate_mem_input( +- pipe_ctx->plane_res.mi, +- stream->timing.h_total, +- stream->timing.v_total, +- stream->timing.pix_clk_khz, +- context->stream_count); +- } +- + pipe_ctx->stream->sink->link->psr_enabled = false; + + return DC_OK; +@@ -2899,6 +2889,15 @@ static void dce110_apply_ctx_for_surface( + if (pipe_ctx->stream != stream) + continue; + ++ /* Need to allocate mem before program front end for Fiji */ ++ if (pipe_ctx->plane_res.mi != NULL) ++ pipe_ctx->plane_res.mi->funcs->allocate_mem_input( ++ pipe_ctx->plane_res.mi, ++ pipe_ctx->stream->timing.h_total, ++ pipe_ctx->stream->timing.v_total, ++ pipe_ctx->stream->timing.pix_clk_khz, ++ context->stream_count); ++ + dce110_program_front_end_for_pipe(dc, pipe_ctx); + program_surface_visibility(dc, pipe_ctx); + +-- +2.7.4 + |