drm/amd/display: Revert "Add DPP & HUBP reset if power gate enabled on DCN314"

This reverts commit 99e25e4.

[Why & How]
This commit caused a blank screen on internal display when projecting to
an external display on DCN314.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Ivan Lipski

drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c

@@ -55,15 +55,15 @@
 #include "dcn20/dcn20_optc.h"
 #include "dcn30/dcn30_cm_common.h"
 
-#define DC_LOGGER_INIT(logger) \
-	struct dal_logger *dc_logger = logger
+#define DC_LOGGER_INIT(logger)
 
 #define CTX \
 	hws->ctx
 #define REG(reg)\
 	hws->regs->reg
 #define DC_LOGGER \
-	dc_logger
+	stream->ctx->logger
+
 
 #undef FN
 #define FN(reg_name, field_name) \
@@ -76,8 +76,6 @@ static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
 	struct pipe_ctx *odm_pipe;
 	int opp_cnt = 1;
 
-	DC_LOGGER_INIT(stream->ctx->logger);
-
 	ASSERT(dsc);
 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
 		opp_cnt++;
@@ -530,32 +528,3 @@ void dcn314_disable_link_output(struct dc_link *link,
 
 	apply_symclk_on_tx_off_wa(link);
 }
-
-
-void dcn314_plane_atomic_power_down(struct dc *dc,
-		struct dpp *dpp,
-		struct hubp *hubp)
-{
-	struct dce_hwseq *hws = dc->hwseq;
-	DC_LOGGER_INIT(dc->ctx->logger);
-
-	if (REG(DC_IP_REQUEST_CNTL)) {
-		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
-
-		if (hws->funcs.dpp_pg_control) {
-			hws->funcs.dpp_pg_control(hws, dpp->inst, false);
-			dpp->funcs->dpp_reset(dpp);
-		}
-
-		if (hws->funcs.hubp_pg_control) {
-			hws->funcs.hubp_pg_control(hws, hubp->inst, false);
-			hubp->funcs->hubp_reset(hubp);
-		}
-
-		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
-		DC_LOG_DEBUG("Power gated front end %d\n", hubp->inst);
-	}
-
-	if (hws->funcs.dpp_root_clock_control)
-		hws->funcs.dpp_root_clock_control(hws, dpp->inst, false);
-}

drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.h

@@ -47,6 +47,4 @@ void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst,
 
 void dcn314_disable_link_output(struct dc_link *link, const struct link_resource *link_res, enum signal_type signal);
 
-void dcn314_plane_atomic_power_down(struct dc *dc, struct dpp *dpp, struct hubp *hubp);
-
 #endif /* __DC_HWSS_DCN314_H__ */

drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c

@@ -137,7 +137,7 @@ static const struct hwseq_private_funcs dcn314_private_funcs = {
 	.disable_vga = dcn20_disable_vga,
 	.bios_golden_init = dcn10_bios_golden_init,
 	.plane_atomic_disable = dcn20_plane_atomic_disable,
-	.plane_atomic_power_down = dcn314_plane_atomic_power_down,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
 	.enable_power_gating_plane = dcn314_enable_power_gating_plane,
 	.dpp_root_clock_control = dcn314_dpp_root_clock_control,
 	.hubp_pg_control = dcn31_hubp_pg_control,