aboutsummaryrefslogtreecommitdiffstats
path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch
diff options
context:
space:
mode:
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch
new file mode 100644
index 00000000..03485ea8
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0296-drm-amd-display-Fix-applying-surface-to-underlay-pip.patch
@@ -0,0 +1,86 @@
+From eef26a44799dde24f5785df7725c89509a14fe5e Mon Sep 17 00:00:00 2001
+From: Leon Elazar <leon.elazar@amd.com>
+Date: Fri, 17 Mar 2017 12:02:58 -0400
+Subject: [PATCH 0296/4131] drm/amd/display: Fix applying surface to underlay
+ pipe
+
+1. Locking all pipes before doing any changes
+2. Applying surface for both top and bottom pipes
+
+Signed-off-by: Leon Elazar <leon.elazar@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c | 34 +++++++++++++++++++++-----------
+ 1 file changed, 22 insertions(+), 12 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 6409d4d..c0889ad 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -1331,32 +1331,41 @@ void dc_update_surfaces_and_stream(struct dc *dc,
+ if (!surface_count) /* reset */
+ core_dc->hwss.apply_ctx_for_surface(core_dc, NULL, context);
+
++ /* Lock pipes for provided surfaces */
+ for (i = 0; i < surface_count; i++) {
+ struct core_surface *surface = DC_SURFACE_TO_CORE(srf_updates[i].surface);
+
+ for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
+- struct pipe_ctx *cur_pipe_ctx;
+- bool is_new_pipe_surface = true;
+
+ if (pipe_ctx->surface != surface)
+ continue;
+-
+- if (update_type >= UPDATE_TYPE_MED) {
+- /* only apply for top pipe */
+- if (!pipe_ctx->top_pipe) {
+- core_dc->hwss.apply_ctx_for_surface(core_dc,
+- surface, context);
+- context_timing_trace(dc, &context->res_ctx);
+- }
+- }
+-
+ if (!pipe_ctx->tg->funcs->is_blanked(pipe_ctx->tg)) {
+ core_dc->hwss.pipe_control_lock(
+ core_dc,
+ pipe_ctx,
+ true);
+ }
++ }
++ }
++
++ /* Perform requested Updates */
++ for (i = 0; i < surface_count; i++) {
++ struct core_surface *surface = DC_SURFACE_TO_CORE(srf_updates[i].surface);
++
++ if (update_type >= UPDATE_TYPE_MED) {
++ core_dc->hwss.apply_ctx_for_surface(
++ core_dc, surface, context);
++ context_timing_trace(dc, &context->res_ctx);
++ }
++
++ for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
++ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
++ struct pipe_ctx *cur_pipe_ctx;
++ bool is_new_pipe_surface = true;
++
++ if (pipe_ctx->surface != surface)
++ continue;
+
+ if (srf_updates[i].flip_addr)
+ core_dc->hwss.update_plane_addr(core_dc, pipe_ctx);
+@@ -1387,6 +1396,7 @@ void dc_update_surfaces_and_stream(struct dc *dc,
+ }
+ }
+
++ /* Unlock pipes */
+ for (i = context->res_ctx.pool->pipe_count - 1; i >= 0; i--) {
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+--
+2.7.4
+