Merge "disp: msm: dsi: avoid seamless request for cwb transitions" (06ee4c17) · Commits · e / devices / android_kernel_fairphone_FP4

msm/dsi/dsi_drm.c

+19 −5

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
		*/


		@@ -11,6 +11,7 @@
		#include "sde_connector.h"
		#include "dsi_drm.h"
		#include "sde_trace.h"
		#include "sde_encoder.h"

		#define to_dsi_bridge(x) container_of((x), struct dsi_bridge, base)
		#define to_dsi_state(x) container_of((x), struct dsi_connector_state, base)
		@@ -340,6 +341,8 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
		struct dsi_display *display;
		struct dsi_display_mode dsi_mode, cur_dsi_mode, *panel_dsi_mode;
		struct drm_crtc_state *crtc_state;
		bool clone_mode = false;
		struct drm_encoder *encoder;

		crtc_state = container_of(mode, struct drm_crtc_state, mode);

		@@ -404,6 +407,14 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
		return false;
		}

		drm_for_each_encoder(encoder, crtc_state->crtc->dev) {
		if (encoder->crtc != crtc_state->crtc)
		continue;

		if (sde_encoder_in_clone_mode(encoder))
		clone_mode = true;
		}

		/* No panel mode switch when drm pipeline is changing */
		if ((dsi_mode.panel_mode != cur_dsi_mode.panel_mode) &&
		(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_VRR)) &&
		@@ -420,13 +431,16 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
		dsi_mode.dsi_mode_flags \|= DSI_MODE_FLAG_DMS;
		}

		/* Reject seamless transition when active changed */
		if (crtc_state->active_changed &&
		/* Reject seamless transition when active/connectors changed */
		if ((crtc_state->active_changed \|\|
		(crtc_state->connectors_changed && clone_mode)) &&
		((dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_VRR) \|\|
		(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_POMS) \|\|
		(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_DYN_CLK))) {
		DSI_ERR("seamless upon active changed 0x%x %d\n",
		dsi_mode.dsi_mode_flags, crtc_state->active_changed);
		DSI_ERR("seamless on active/conn(%d/%d) changed 0x%x\n",
		crtc_state->active_changed,
		crtc_state->connectors_changed,
		dsi_mode.dsi_mode_flags);
		return false;
		}