From: Anthony Koo <Anthony.Koo@xxxxxxx>
[Why]
We want boot to desktop to be seamless
[How]
During init pipes, avoid touching the pipes where GOP has already
enabled the HW to the state we want.
Signed-off-by: Anthony Koo <Anthony.Koo@xxxxxxx>
Reviewed-by: Aric Cyr <Aric.Cyr@xxxxxxx>
Acked-by: Leo Li <sunpeng.li@xxxxxxx>
---
.../amd/display/dc/dce110/dce110_hw_sequencer.c | 10 +++++++-
.../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 30 +++++++++++++++++++++-
drivers/gpu/drm/amd/display/include/dal_asic_id.h | 3 +++
3 files changed, 41 insertions(+), 2 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 e1b285e..453ff07 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
@@ -1521,6 +1521,14 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
struct dc_link *edp_link = get_link_for_edp(dc);
bool can_edp_fast_boot_optimize = false;
bool apply_edp_fast_boot_optimization = false;
+ bool can_apply_seamless_boot = false;
+
+ for (i = 0; i < context->stream_count; i++) {
+ if (context->streams[i]->apply_seamless_boot_optimization) {
+ can_apply_seamless_boot = true;
+ break;
+ }
+ }
if (edp_link) {
/* this seems to cause blank screens on DCE8 */
@@ -1549,7 +1557,7 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
}
}
- if (!apply_edp_fast_boot_optimization) {
+ if (!apply_edp_fast_boot_optimization && !can_apply_seamless_boot) {
if (edp_link_to_turnoff) {
/*turn off backlight before DP_blank and encoder powered down*/
dc->hwss.edp_backlight_control(edp_link_to_turnoff, false);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 7f95808..d42fade 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -959,9 +959,25 @@ static void dcn10_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
static void dcn10_init_pipes(struct dc *dc, struct dc_state *context)
{
int i;
+ bool can_apply_seamless_boot = false;
+
+ for (i = 0; i < context->stream_count; i++) {
+ if (context->streams[i]->apply_seamless_boot_optimization) {
+ can_apply_seamless_boot = true;
+ break;
+ }
+ }
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct timing_generator *tg = dc->res_pool->timing_generators[i];
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+ /* There is assumption that pipe_ctx is not mapping irregularly
+ * to non-preferred front end. If pipe_ctx->stream is not NULL,
+ * we will use the pipe, so don't disable
+ */
+ if (pipe_ctx->stream != NULL)
+ continue;
if (tg->funcs->is_tg_enabled(tg))
tg->funcs->lock(tg);
@@ -975,7 +991,9 @@ static void dcn10_init_pipes(struct dc *dc, struct dc_state *context)
}
}
- dc->res_pool->mpc->funcs->mpc_init(dc->res_pool->mpc);
+ /* Cannot reset the MPC mux if seamless boot */
+ if (!can_apply_seamless_boot)
+ dc->res_pool->mpc->funcs->mpc_init(dc->res_pool->mpc);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct timing_generator *tg = dc->res_pool->timing_generators[i];
@@ -983,6 +1001,16 @@ static void dcn10_init_pipes(struct dc *dc, struct dc_state *context)
struct dpp *dpp = dc->res_pool->dpps[i];
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+ // W/A for issue with dc_post_update_surfaces_to_stream
+ hubp->power_gated = true;
+
+ /* There is assumption that pipe_ctx is not mapping irregularly
+ * to non-preferred front end. If pipe_ctx->stream is not NULL,
+ * we will use the pipe, so don't disable
+ */
+ if (pipe_ctx->stream != NULL)
+ continue;
+
dpp->funcs->dpp_reset(dpp);
pipe_ctx->stream_res.tg = tg;
diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
index 4f501dd..34d6fdc 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -131,6 +131,7 @@
#define INTERNAL_REV_RAVEN_A0 0x00 /* First spin of Raven */
#define RAVEN_A0 0x01
#define RAVEN_B0 0x21
+#define PICASSO_A0 0x41
#if defined(CONFIG_DRM_AMD_DC_DCN1_01)
/* DCN1_01 */
#define RAVEN2_A0 0x81
@@ -165,4 +166,6 @@
#define FAMILY_UNKNOWN 0xFF
+
+
#endif /* __DAL_ASIC_ID_H__ */
--
2.7.4
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