[PATCH 01/21] drm/amd/display: Reverted DSC programming sequence change

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Iswara Nagulendran <Iswara.Nagulendran@xxxxxxx>

[HOW&WHY]
Revert a previous commit by moving DSC programming
back to before link enablement.

Reviewed-by: Jayendran Ramani <Jayendran.Ramani@xxxxxxx>
Acked-by: Pavle Kotarac <Pavle.Kotarac@xxxxxxx>
Signed-off-by: Iswara Nagulendran <Iswara.Nagulendran@xxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c       | 13 +++++++++++++
 .../drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 13 -------------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 38fa63d43ad9..db45a6fdffca 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -4303,6 +4303,19 @@ void core_link_enable_stream(
 		if (pipe_ctx->stream->dpms_off)
 			return;
 
+		/* Have to setup DSC before DIG FE and BE are connected (which happens before the
+		 * link training). This is to make sure the bandwidth sent to DIG BE won't be
+		 * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
+		 * will be automatically set at a later time when the video is enabled
+		 * (DP_VID_STREAM_EN = 1).
+		 */
+		if (pipe_ctx->stream->timing.flags.DSC) {
+			if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+				dc_is_virtual_signal(pipe_ctx->stream->signal))
+			dp_set_dsc_enable(pipe_ctx, true);
+
+		}
+
 		status = enable_link(state, pipe_ctx);
 
 		if (status != DC_OK) {
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 fe346e96c2d1..801206aed63a 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
@@ -1577,19 +1577,6 @@ static enum dc_status apply_single_controller_ctx_to_hw(
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
 		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG);
 
-	/* Have to setup DSC before DIG FE and BE are connected (which happens before the
-	 * link training). This is to make sure the bandwidth sent to DIG BE won't be
-	 * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
-	 * will be automatically set at a later time when the video is enabled
-	 * (DP_VID_STREAM_EN = 1).
-	 */
-	if (pipe_ctx->stream->timing.flags.DSC) {
-		if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
-			dc_is_virtual_signal(pipe_ctx->stream->signal))
-			dp_set_dsc_enable(pipe_ctx, true);
-
-	}
-
 	if (!stream->dpms_off) {
 		if (dc->hwss.update_phy_state)
 			dc->hwss.update_phy_state(context, pipe_ctx, TX_ON_SYMCLK_ON);
-- 
2.34.1




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux