Commit 44e60b14 authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher
Browse files

drm/amd/display: Enable Replay for static screen use cases 



- Setup replay config on device init.
- Enable replay if feature is enabled (prioritize replay over PSR, since
it can be enabled in more usecases)
- Add debug masks to enable replay on supported ASICs

Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3698a75f

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+22 −0
Original line number Diff line number Diff line
@@ -65,6 +65,7 @@ 
#include "amdgpu_dm_debugfs.h"

#endif

#include "amdgpu_dm_psr.h"

#include "amdgpu_dm_replay.h"



#include "ivsrcid/ivsrcid_vislands30.h"
@@ -4265,6 +4266,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 
	enum dc_connection_type new_connection_type = dc_connection_none;

	const struct dc_plane_cap *plane;

	bool psr_feature_enabled = false;

	bool replay_feature_enabled = false;

	int max_overlay = dm->dc->caps.max_slave_planes;



	dm->display_indexes_num = dm->dc->caps.max_streams;
@@ -4374,6 +4376,20 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 
		}

	}



	if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) {

		switch (adev->ip_versions[DCE_HWIP][0]) {

		case IP_VERSION(3, 1, 4):

		case IP_VERSION(3, 1, 5):

		case IP_VERSION(3, 1, 6):

		case IP_VERSION(3, 2, 0):

		case IP_VERSION(3, 2, 1):

			replay_feature_enabled = true;

			break;

		default:

			replay_feature_enabled = amdgpu_dc_feature_mask & DC_REPLAY_MASK;

			break;

		}

	}

	/* loops over all connectors on the board */

	for (i = 0; i < link_cnt; i++) {

		struct dc_link *link = NULL;
@@ -4422,6 +4438,12 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 
				amdgpu_dm_update_connector_after_detect(aconnector);

				setup_backlight_device(dm, aconnector);



				/*

				 * Disable psr if replay can be enabled

				 */

				if (replay_feature_enabled && amdgpu_dm_setup_replay(link, aconnector))

					psr_feature_enabled = false;



				if (psr_feature_enabled)

					amdgpu_dm_set_psr_caps(link);

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c

+8 −1
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include "dc.h"

#include "amdgpu.h"

#include "amdgpu_dm_psr.h"

#include "amdgpu_dm_replay.h"

#include "amdgpu_dm_crtc.h"

#include "amdgpu_dm_plane.h"

#include "amdgpu_dm_trace.h"
@@ -123,7 +124,12 @@ static void vblank_control_worker(struct work_struct *work) 
	 * fill_dc_dirty_rects().

	 */

	if (vblank_work->stream && vblank_work->stream->link) {

		if (vblank_work->enable) {

		/*

		 * Prioritize replay, instead of psr

		 */

		if (vblank_work->stream->link->replay_settings.replay_feature_enabled)

			amdgpu_dm_replay_enable(vblank_work->stream, false);

		else if (vblank_work->enable) {

			if (vblank_work->stream->link->psr_settings.psr_version < DC_PSR_VERSION_SU_1 &&

			    vblank_work->stream->link->psr_settings.psr_allow_active)

				amdgpu_dm_psr_disable(vblank_work->stream);
@@ -132,6 +138,7 @@ static void vblank_control_worker(struct work_struct *work) 
#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY

			   !amdgpu_dm_crc_window_is_activated(&vblank_work->acrtc->base) &&

#endif

			   vblank_work->stream->link->panel_config.psr.disallow_replay &&

			   vblank_work->acrtc->dm_irq_params.allow_psr_entry) {

			amdgpu_dm_psr_enable(vblank_work->stream);

		}

drivers/gpu/drm/amd/include/amd_shared.h

+2 −0
Original line number Diff line number Diff line
@@ -240,6 +240,7 @@ enum DC_FEATURE_MASK { 
	DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default

	DC_PSR_ALLOW_SMU_OPT = (1 << 7), //0x80, disabled by default

	DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), //0x100, disabled by default

	DC_REPLAY_MASK = (1 << 9), //0x200, disabled by default for dcn < 3.1.4

};



enum DC_DEBUG_MASK {
@@ -250,6 +251,7 @@ enum DC_DEBUG_MASK { 
	DC_DISABLE_PSR = 0x10,

	DC_FORCE_SUBVP_MCLK_SWITCH = 0x20,

	DC_DISABLE_MPO = 0x40,

	DC_DISABLE_REPLAY = 0x50,

	DC_ENABLE_DPIA_TRACE = 0x80,

};