diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0486-drm-amd-display-fix-mpo-split-pipe-aquisition-failur.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0486-drm-amd-display-fix-mpo-split-pipe-aquisition-failur.patch | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0486-drm-amd-display-fix-mpo-split-pipe-aquisition-failur.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0486-drm-amd-display-fix-mpo-split-pipe-aquisition-failur.patch new file mode 100644 index 00000000..c214e877 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0486-drm-amd-display-fix-mpo-split-pipe-aquisition-failur.patch @@ -0,0 +1,122 @@ +From 0c6bb9f5db19583b62a285144c1e3b2de9000b9c Mon Sep 17 00:00:00 2001 +From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Date: Tue, 30 May 2017 13:38:10 -0400 +Subject: [PATCH 0486/4131] drm/amd/display: fix mpo + split pipe aquisition + failure + +Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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/core/dc_resource.c | 80 +++++++++++++---------- + 1 file changed, 44 insertions(+), 36 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +index c97d0d1..236c8e9 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +@@ -995,6 +995,43 @@ static void release_free_pipes_for_stream( + } + } + ++#if defined(CONFIG_DRM_AMD_DC_DCN1_0) ++static int acquire_first_split_pipe( ++ struct resource_context *res_ctx, ++ const struct resource_pool *pool, ++ struct core_stream *stream) ++{ ++ int i; ++ ++ for (i = 0; i < pool->pipe_count; i++) { ++ struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; ++ ++ if (pipe_ctx->top_pipe && ++ pipe_ctx->top_pipe->surface == pipe_ctx->surface) { ++ int mpc_idx = pipe_ctx->mpc_idx; ++ ++ pipe_ctx->top_pipe->bottom_pipe = pipe_ctx->bottom_pipe; ++ if (pipe_ctx->bottom_pipe) ++ pipe_ctx->bottom_pipe->top_pipe = pipe_ctx->top_pipe; ++ ++ memset(pipe_ctx, 0, sizeof(*pipe_ctx)); ++ pipe_ctx->tg = pool->timing_generators[i]; ++ pipe_ctx->mi = pool->mis[i]; ++ pipe_ctx->ipp = pool->ipps[i]; ++ pipe_ctx->xfm = pool->transforms[i]; ++ pipe_ctx->opp = pool->opps[i]; ++ pipe_ctx->dis_clk = pool->display_clock; ++ pipe_ctx->pipe_idx = i; ++ pipe_ctx->mpc_idx = mpc_idx; ++ ++ pipe_ctx->stream = stream; ++ return i; ++ } ++ } ++ return -1; ++} ++#endif ++ + bool resource_attach_surfaces_to_context( + const struct dc_surface * const *surfaces, + int surface_count, +@@ -1048,6 +1085,13 @@ bool resource_attach_surfaces_to_context( + struct pipe_ctx *free_pipe = acquire_free_pipe_for_stream( + context, pool, dc_stream); + ++#if defined(CONFIG_DRM_AMD_DC_DCN1_0) ++ if (!free_pipe) { ++ int pipe_idx = acquire_first_split_pipe(&context->res_ctx, pool, stream); ++ if (pipe_idx >= 0) ++ free_pipe = &context->res_ctx.pipe_ctx[pipe_idx]; ++ } ++#endif + if (!free_pipe) { + stream_status->surfaces[i] = NULL; + return false; +@@ -1391,42 +1435,6 @@ static void calculate_phy_pix_clks(struct validate_context *context) + } + } + +-#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +-static int acquire_first_split_pipe( +- struct resource_context *res_ctx, +- const struct resource_pool *pool, +- struct core_stream *stream) +-{ +- int i; +- +- for (i = 0; i < pool->pipe_count; i++) { +- struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; +- +- if (pipe_ctx->top_pipe && +- pipe_ctx->top_pipe->surface == pipe_ctx->surface) { +- int mpc_idx = pipe_ctx->mpc_idx; +- +- pipe_ctx->top_pipe->bottom_pipe = pipe_ctx->bottom_pipe; +- pipe_ctx->bottom_pipe->top_pipe = pipe_ctx->top_pipe; +- +- memset(pipe_ctx, 0, sizeof(*pipe_ctx)); +- pipe_ctx->tg = pool->timing_generators[i]; +- pipe_ctx->mi = pool->mis[i]; +- pipe_ctx->ipp = pool->ipps[i]; +- pipe_ctx->xfm = pool->transforms[i]; +- pipe_ctx->opp = pool->opps[i]; +- pipe_ctx->dis_clk = pool->display_clock; +- pipe_ctx->pipe_idx = i; +- pipe_ctx->mpc_idx = mpc_idx; +- +- pipe_ctx->stream = stream; +- return i; +- } +- } +- return -1; +-} +-#endif +- + enum dc_status resource_map_pool_resources( + const struct core_dc *dc, + struct validate_context *context, +-- +2.7.4 + |