Properly set all_displays_in_sync so that when the data is
propagated to powerplay, it's set properly and we can enable
mclk switching when all monitors are in sync.
v2: fix logic, clean up
v3: check for blending chains, simplify logic
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
.../gpu/drm/amd/display/dc/calcs/dce_calcs.c | 30 +++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index 9f12e21f8b9b..eca681d9d7f5 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -25,6 +25,7 @@
#include <linux/slab.h>
+#include "resource.h"
#include "dm_services.h"
#include "dce_calcs.h"
#include "dc.h"
@@ -2977,6 +2978,32 @@ static void populate_initial_data(
data->number_of_displays = num_displays;
}
+static bool all_displays_in_sync(const struct pipe_ctx pipe[],
+ int pipe_count)
+{
+ const struct pipe_ctx *active_pipes[MAX_PIPES];
+ int i, num_active_pipes = 0;
+
+ for (i = 0; i < pipe_count; i++) {
+ if (!pipe[i].stream || pipe[i].top_pipe)
+ continue;
+
+ active_pipes[num_active_pipes++] = &pipe[i];
+ }
+
+ if (!num_active_pipes)
+ return false;
+
+ for (i = 1; i < num_active_pipes; ++i) {
+ if (!resource_are_streams_timing_synchronizable(
+ active_pipes[0]->stream, active_pipes[i]->stream)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
/**
* Return:
* true - Display(s) configuration supported.
@@ -2998,8 +3025,7 @@ bool bw_calcs(struct dc_context *ctx,
populate_initial_data(pipe, pipe_count, data);
- /*TODO: this should be taken out calcs output and assigned during
timing sync for pplib use*/
- calcs_output->all_displays_in_sync = false;
+ calcs_output->all_displays_in_sync = all_displays_in_sync(pipe,
pipe_count);
if (data->number_of_displays != 0) {
uint8_t yclk_lvl, sclk_lvl;
--
2.20.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
