drm/amd/display: Enable Freesync Video Mode by default

[Why&How]
Freesync Video Mode is a experimental feature previously,
and need to be enabled by kernel parameter. We enable it
by default with removing module paramterter in amdgpu_dm.

v2: squash the patches together

Signed-off-by: Solomon Chiu <solomon.chiu@amd.com>
Reviewed-by: Aurabindo Jayamohanan Pillai <Aurabindo.Pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 4f771f9eb0e3c366a5bf48ecf49d6059364298df..182d673103ed38080f2fed5b7abd0e1eb2f1c888 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -197,7 +197,6 @@ extern int amdgpu_emu_mode;
 extern uint amdgpu_smu_memory_pool_size;
 extern int amdgpu_smu_pptable_id;
 extern uint amdgpu_dc_feature_mask;
-extern uint amdgpu_freesync_vid_mode;
 extern uint amdgpu_dc_debug_mask;
 extern uint amdgpu_dm_abm_level;
 extern int amdgpu_backlight;

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 366e475056bd7448a70f1e6d74848f895f9a3852..10e01928ffada03a08b4c4acb10ab97f55068a5c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -173,7 +173,6 @@ int amdgpu_mes;
 int amdgpu_noretry = -1;
 int amdgpu_force_asic_type = -1;
 int amdgpu_tmz = -1; /* auto */
-uint amdgpu_freesync_vid_mode;
 int amdgpu_reset_method = -1; /* auto */
 int amdgpu_num_kcq = -1;
 int amdgpu_smartshift_bias;
@@ -842,32 +841,6 @@ module_param_named(backlight, amdgpu_backlight, bint, 0444);
 MODULE_PARM_DESC(tmz, "Enable TMZ feature (-1 = auto (default), 0 = off, 1 = on)");
 module_param_named(tmz, amdgpu_tmz, int, 0444);
 
-/**
- * DOC: freesync_video (uint)
- * Enable the optimization to adjust front porch timing to achieve seamless
- * mode change experience when setting a freesync supported mode for which full
- * modeset is not needed.
- *
- * The Display Core will add a set of modes derived from the base FreeSync
- * video mode into the corresponding connector's mode list based on commonly
- * used refresh rates and VRR range of the connected display, when users enable
- * this feature. From the userspace perspective, they can see a seamless mode
- * change experience when the change between different refresh rates under the
- * same resolution. Additionally, userspace applications such as Video playback
- * can read this modeset list and change the refresh rate based on the video
- * frame rate. Finally, the userspace can also derive an appropriate mode for a
- * particular refresh rate based on the FreeSync Mode and add it to the
- * connector's mode list.
- *
- * Note: This is an experimental feature.
- *
- * The default value: 0 (off).
- */
-MODULE_PARM_DESC(
-       freesync_video,
-       "Enable freesync modesetting optimization feature (0 = off (default), 1 = on)");
-module_param_named(freesync_video, amdgpu_freesync_vid_mode, uint, 0444);
-
 /**
  * DOC: reset_method (int)
  * GPU reset method (-1 = auto (default), 0 = legacy, 1 = mode0, 2 = mode1, 3 = mode2, 4 = baco, 5 = pci)

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 7f9773f8dab66543f21304c81db90adbd29f686a..afadec2d199309bff0cf4009b07d895ad1e5c079 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6435,8 +6435,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
                 */
                DRM_DEBUG_DRIVER("No preferred mode found\n");
        } else {
-               recalculate_timing = amdgpu_freesync_vid_mode &&
-                                is_freesync_video_mode(&mode, aconnector);
+               recalculate_timing = is_freesync_video_mode(&mode, aconnector);
                if (recalculate_timing) {
                        freesync_mode = get_highest_refresh_rate_mode(aconnector, false);
                        saved_mode = mode;
@@ -8304,7 +8303,7 @@ static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connect
        struct amdgpu_dm_connector *amdgpu_dm_connector =
                to_amdgpu_dm_connector(connector);
 
-       if (!(amdgpu_freesync_vid_mode && edid))
+       if (!edid)
                return;
 
        if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
@@ -10271,8 +10270,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
                 * TODO: Refactor this function to allow this check to work
                 * in all conditions.
                 */
-               if (amdgpu_freesync_vid_mode &&
-                   dm_new_crtc_state->stream &&
+               if (dm_new_crtc_state->stream &&
                    is_timing_unchanged_for_freesync(new_crtc_state, old_crtc_state))
                        goto skip_modeset;
 
@@ -10307,7 +10305,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
                if (!dm_old_crtc_state->stream)
                        goto skip_modeset;
 
-               if (amdgpu_freesync_vid_mode && dm_new_crtc_state->stream &&
+               if (dm_new_crtc_state->stream &&
                    is_timing_unchanged_for_freesync(new_crtc_state,
                                                     old_crtc_state)) {
                        new_crtc_state->mode_changed = false;
@@ -10319,7 +10317,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
                        set_freesync_fixed_config(dm_new_crtc_state);
 
                        goto skip_modeset;
-               } else if (amdgpu_freesync_vid_mode && aconnector &&
+               } else if (aconnector &&
                           is_freesync_video_mode(&new_crtc_state->mode,
                                                  aconnector)) {
                        struct drm_display_mode *high_mode;