summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 3960a8db94cb..1e5a92b192a1 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -690,6 +690,26 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,
struct dc_debug_options *dbg,
struct dc_state *context)
{
+ int i;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+ /**
+ * Workaround for avoiding pipe-split in cases where we'd split
+ * planes that are too small, resulting in splits that aren't
+ * valid for the scaler.
+ */
+ if (pipe->plane_state &&
+ (pipe->plane_state->dst_rect.width <= 16 ||
+ pipe->plane_state->dst_rect.height <= 16 ||
+ pipe->plane_state->src_rect.width <= 16 ||
+ pipe->plane_state->src_rect.height <= 16)) {
+ hack_disable_optional_pipe_split(v);
+ return;
+ }
+ }
+
if (dbg->pipe_split_policy == MPC_SPLIT_AVOID)
hack_disable_optional_pipe_split(v);
@@ -702,7 +722,6 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,
hack_force_pipe_split(v, context->streams[0]->timing.pix_clk_100hz);
}
-
unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev, uint32_t pci_revision_id)
{
/* for low power RV2 variants, the highest voltage level we want is 0 */