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: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 268cb99..f2b4f17 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -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);
 

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 30d4c6f..97b7a0b 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -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);
                }

diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index abe829b..67d7b7e 100644 (file)
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -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,
 };