Merge v6.15.4linux-rolling-stable

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 28 insertions, 7 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
index be26c925fdfa..e68f21fd5f0f 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
@@ -84,6 +84,20 @@ static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
 		struct dsc_config dsc_cfg;
 		struct dsc_optc_config dsc_optc_cfg = {0};
 		enum optc_dsc_mode optc_dsc_mode;
+		struct dcn_dsc_state dsc_state = {0};
+
+		if (!dsc) {
+			DC_LOG_DSC("DSC is NULL for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+			return;
+		}
+
+		if (dsc->funcs->dsc_read_state) {
+			dsc->funcs->dsc_read_state(dsc, &dsc_state);
+			if (!dsc_state.dsc_fw_en) {
+				DC_LOG_DSC("DSC has been disabled for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+				return;
+			}
+		}
 
 		/* Enable DSC hw block */
 		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index 922b8d71cf1a..63077c1fad85 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -241,11 +241,6 @@ void dcn35_init_hw(struct dc *dc)
 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
 					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
 	}
-	if (res_pool->dccg->funcs->dccg_root_gate_disable_control) {
-		for (i = 0; i < res_pool->pipe_count; i++)
-			res_pool->dccg->funcs->dccg_root_gate_disable_control(res_pool->dccg, i, 0);
-	}
-
 	for (i = 0; i < res_pool->audio_count; i++) {
 		struct audio *audio = res_pool->audios[i];
 
@@ -901,12 +896,18 @@ void dcn35_init_pipes(struct dc *dc, struct dc_state *context)
 void dcn35_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
 			       struct dc_state *context)
 {
+	struct dpp *dpp = pipe_ctx->plane_res.dpp;
+	struct dccg *dccg = dc->res_pool->dccg;
+
+
 	/* enable DCFCLK current DCHUB */
 	pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
 
 	/* initialize HUBP on power up */
 	pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
-
+	/*make sure DPPCLK is on*/
+	dccg->funcs->dccg_root_gate_disable_control(dccg, dpp->inst, true);
+	dpp->funcs->dpp_dppclk_control(dpp, false, true);
 	/* make sure OPP_PIPE_CLOCK_EN = 1 */
 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
 			pipe_ctx->stream_res.opp,
@@ -923,6 +924,7 @@ void dcn35_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
 		// Program system aperture settings
 		pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
 	}
+	//DC_LOG_DEBUG("%s: dpp_inst(%d) =\n", __func__, dpp->inst);
 
 	if (!pipe_ctx->top_pipe
 		&& pipe_ctx->plane_state
@@ -938,6 +940,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
 {
 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
+	struct dccg *dccg = dc->res_pool->dccg;
+
 
 	dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
 
@@ -955,7 +959,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
 	hubp->funcs->hubp_clk_cntl(hubp, false);
 
 	dpp->funcs->dpp_dppclk_control(dpp, false, false);
-/*to do, need to support both case*/
+	dccg->funcs->dccg_root_gate_disable_control(dccg, dpp->inst, false);
+
 	hubp->power_gated = true;
 
 	hubp->funcs->hubp_reset(hubp);
@@ -967,6 +972,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
 	pipe_ctx->top_pipe = NULL;
 	pipe_ctx->bottom_pipe = NULL;
 	pipe_ctx->plane_state = NULL;
+	//DC_LOG_DEBUG("%s: dpp_inst(%d)=\n", __func__, dpp->inst);
+
 }
 
 void dcn35_disable_plane(struct dc *dc, struct dc_state *state, struct pipe_ctx *pipe_ctx)