This reverts commit e9a777fc0c264542fbd6d51b8fe51739d09032c1
Sinc this is a "revert of a revert", the end effect is that freesync
video is back to its original state, the way it was before the first
revert.
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 +
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 369 ++++++++++++++++--
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +
4 files changed, 349 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 5da112b3feb0..428b9f2d38c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -189,6 +189,7 @@ 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 1be42edf84d0..d6a9787e5597 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -166,6 +166,7 @@ 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;
@@ -828,6 +829,17 @@ 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)
+ * Enabled 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 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 8b464debc1ef..553e39f9538c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -212,6 +212,9 @@ static bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
static const struct drm_format_info *
amd_get_format_info(const struct drm_mode_fb_cmd2 *cmd);
+static bool
+is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state,
+ struct drm_crtc_state *new_crtc_state);
/*
* dm_vblank_get_counter
*
@@ -335,6 +338,17 @@ static inline bool amdgpu_dm_vrr_active(struct dm_crtc_state *dm_state)
dm_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED;
}
+static inline bool is_dc_timing_adjust_needed(struct dm_crtc_state *old_state,
+ struct dm_crtc_state *new_state)
+{
+ if (new_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)
+ return true;
+ else if (amdgpu_dm_vrr_active(old_state) != amdgpu_dm_vrr_active(new_state))
+ return true;
+ else
+ return false;
+}
+
/**
* dm_pflip_high_irq() - Handle pageflip interrupt
* @interrupt_params: ignored
@@ -5153,19 +5167,16 @@ static void fill_stream_properties_from_drm_display_mode(
timing_out->hdmi_vic = hv_frame.vic;
}
- timing_out->h_addressable = mode_in->crtc_hdisplay;
- timing_out->h_total = mode_in->crtc_htotal;
- timing_out->h_sync_width =
- mode_in->crtc_hsync_end - mode_in->crtc_hsync_start;
- timing_out->h_front_porch =
- mode_in->crtc_hsync_start - mode_in->crtc_hdisplay;
- timing_out->v_total = mode_in->crtc_vtotal;
- timing_out->v_addressable = mode_in->crtc_vdisplay;
- timing_out->v_front_porch =
- mode_in->crtc_vsync_start - mode_in->crtc_vdisplay;
- timing_out->v_sync_width =
- mode_in->crtc_vsync_end - mode_in->crtc_vsync_start;
- timing_out->pix_clk_100hz = mode_in->crtc_clock * 10;
+ timing_out->h_addressable = mode_in->hdisplay;
+ timing_out->h_total = mode_in->htotal;
+ timing_out->h_sync_width = mode_in->hsync_end - mode_in->hsync_start;
+ timing_out->h_front_porch = mode_in->hsync_start - mode_in->hdisplay;
+ timing_out->v_total = mode_in->vtotal;
+ timing_out->v_addressable = mode_in->vdisplay;
+ timing_out->v_front_porch = mode_in->vsync_start - mode_in->vdisplay;
+ timing_out->v_sync_width = mode_in->vsync_end - mode_in->vsync_start;
+ timing_out->pix_clk_100hz = mode_in->clock * 10;
+
timing_out->aspect_ratio = get_aspect_ratio(mode_in);
stream->output_color_space = get_output_color_space(timing_out);
@@ -5332,6 +5343,86 @@ static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context)
set_master_stream(context->streams, context->stream_count);
}
+static struct drm_display_mode *
+get_highest_refresh_rate_mode(struct amdgpu_dm_connector *aconnector,
+ bool use_probed_modes)
+{
+ struct drm_display_mode *m, *m_pref = NULL;
+ u16 current_refresh, highest_refresh;
+ struct list_head *list_head = use_probed_modes ?
+ &aconnector->base.probed_modes :
+ &aconnector->base.modes;
+
+ if (aconnector->freesync_vid_base.clock != 0)
+ return &aconnector->freesync_vid_base;
+
+ /* Find the preferred mode */
+ list_for_each_entry (m, list_head, head) {
+ if (m->type & DRM_MODE_TYPE_PREFERRED) {
+ m_pref = m;
+ break;
+ }
+ }
+
+ if (!m_pref) {
+ /* Probably an EDID with no preferred mode. Fallback to first entry */
+ m_pref = list_first_entry_or_null(
+ &aconnector->base.modes, struct drm_display_mode, head);
+ if (!m_pref) {
+ DRM_DEBUG_DRIVER("No preferred mode found in EDID\n");
+ return NULL;
+ }
+ }
+
+ highest_refresh = drm_mode_vrefresh(m_pref);
+
+ /*
+ * Find the mode with highest refresh rate with same resolution.
+ * For some monitors, preferred mode is not the mode with highest
+ * supported refresh rate.
+ */
+ list_for_each_entry (m, list_head, head) {
+ current_refresh = drm_mode_vrefresh(m);
+
+ if (m->hdisplay == m_pref->hdisplay &&
+ m->vdisplay == m_pref->vdisplay &&
+ highest_refresh < current_refresh) {
+ highest_refresh = current_refresh;
+ m_pref = m;
+ }
+ }
+
+ aconnector->freesync_vid_base = *m_pref;
+ return m_pref;
+}
+
+static bool is_freesync_video_mode(struct drm_display_mode *mode,
+ struct amdgpu_dm_connector *aconnector)
+{
+ struct drm_display_mode *high_mode;
+ int timing_diff;
+
+ high_mode = get_highest_refresh_rate_mode(aconnector, false);
+ if (!high_mode || !mode)
+ return false;
+
+ timing_diff = high_mode->vtotal - mode->vtotal;
+
+ if (high_mode->clock == 0 || high_mode->clock != mode->clock ||
+ high_mode->hdisplay != mode->hdisplay ||
+ high_mode->vdisplay != mode->vdisplay ||
+ high_mode->hsync_start != mode->hsync_start ||
+ high_mode->hsync_end != mode->hsync_end ||
+ high_mode->htotal != mode->htotal ||
+ high_mode->hskew != mode->hskew ||
+ high_mode->vscan != mode->vscan ||
+ high_mode->vsync_start - mode->vsync_start != timing_diff ||
+ high_mode->vsync_end - mode->vsync_end != timing_diff)
+ return false;
+ else
+ return true;
+}
+
static struct dc_stream_state *
create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
const struct drm_display_mode *drm_mode,
@@ -5345,8 +5436,10 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
dm_state ? &dm_state->base : NULL;
struct dc_stream_state *stream = NULL;
struct drm_display_mode mode = *drm_mode;
+ struct drm_display_mode saved_mode;
+ struct drm_display_mode *freesync_mode = NULL;
bool native_mode_found = false;
- bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false;
+ bool recalculate_timing = dm_state ? (dm_state->scaling != RMX_OFF) : false;
int mode_refresh;
int preferred_refresh = 0;
#if defined(CONFIG_DRM_AMD_DC_DCN)
@@ -5354,6 +5447,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
uint32_t link_bandwidth_kbps;
#endif
struct dc_sink *sink = NULL;
+
+ memset(&saved_mode, 0, sizeof(saved_mode));
+
if (aconnector == NULL) {
DRM_ERROR("aconnector is NULL!\n");
return stream;
@@ -5406,25 +5502,38 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
*/
DRM_DEBUG_DRIVER("No preferred mode found\n");
} else {
- decide_crtc_timing_for_drm_display_mode(
+ recalculate_timing |= amdgpu_freesync_vid_mode &&
+ is_freesync_video_mode(&mode, aconnector);
+ if (recalculate_timing) {
+ freesync_mode = get_highest_refresh_rate_mode(aconnector, false);
+ saved_mode = mode;
+ mode = *freesync_mode;
+ } else {
+ decide_crtc_timing_for_drm_display_mode(
&mode, preferred_mode,
dm_state ? (dm_state->scaling != RMX_OFF) : false);
+ }
+
preferred_refresh = drm_mode_vrefresh(preferred_mode);
}
- if (!dm_state)
+ if (recalculate_timing)
+ drm_mode_set_crtcinfo(&saved_mode, 0);
+ else
drm_mode_set_crtcinfo(&mode, 0);
- /*
+ /*
* If scaling is enabled and refresh rate didn't change
* we copy the vic and polarities of the old timings
*/
- if (!scale || mode_refresh != preferred_refresh)
- fill_stream_properties_from_drm_display_mode(stream,
- &mode, &aconnector->base, con_state, NULL, requested_bpc);
+ if (!recalculate_timing || mode_refresh != preferred_refresh)
+ fill_stream_properties_from_drm_display_mode(
+ stream, &mode, &aconnector->base, con_state, NULL,
+ requested_bpc);
else
- fill_stream_properties_from_drm_display_mode(stream,
- &mode, &aconnector->base, con_state, old_stream, requested_bpc);
+ fill_stream_properties_from_drm_display_mode(
+ stream, &mode, &aconnector->base, con_state, old_stream,
+ requested_bpc);
stream->timing.flags.DSC = 0;
@@ -7160,6 +7269,107 @@ static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector,
}
}
+static bool is_duplicate_mode(struct amdgpu_dm_connector *aconnector,
+ struct drm_display_mode *mode)
+{
+ struct drm_display_mode *m;
+
+ list_for_each_entry (m, &aconnector->base.probed_modes, head) {
+ if (drm_mode_equal(m, mode))
+ return true;
+ }
+
+ return false;
+}
+
+static uint add_fs_modes(struct amdgpu_dm_connector *aconnector)
+{
+ const struct drm_display_mode *m;
+ struct drm_display_mode *new_mode;
+ uint i;
+ uint32_t new_modes_count = 0;
+
+ /* Standard FPS values
+ *
+ * 23.976 - TV/NTSC
+ * 24 - Cinema
+ * 25 - TV/PAL
+ * 29.97 - TV/NTSC
+ * 30 - TV/NTSC
+ * 48 - Cinema HFR
+ * 50 - TV/PAL
+ * 60 - Commonly used
+ * 48,72,96 - Multiples of 24
+ */
+ const uint32_t common_rates[] = { 23976, 24000, 25000, 29970, 30000,
+ 48000, 50000, 60000, 72000, 96000 };
+
+ /*
+ * Find mode with highest refresh rate with the same resolution
+ * as the preferred mode. Some monitors report a preferred mode
+ * with lower resolution than the highest refresh rate supported.
+ */
+
+ m = get_highest_refresh_rate_mode(aconnector, true);
+ if (!m)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(common_rates); i++) {
+ uint64_t target_vtotal, target_vtotal_diff;
+ uint64_t num, den;
+
+ if (drm_mode_vrefresh(m) * 1000 < common_rates[i])
+ continue;
+
+ if (common_rates[i] < aconnector->min_vfreq * 1000 ||
+ common_rates[i] > aconnector->max_vfreq * 1000)
+ continue;
+
+ num = (unsigned long long)m->clock * 1000 * 1000;
+ den = common_rates[i] * (unsigned long long)m->htotal;
+ target_vtotal = div_u64(num, den);
+ target_vtotal_diff = target_vtotal - m->vtotal;
+
+ /* Check for illegal modes */
+ if (m->vsync_start + target_vtotal_diff < m->vdisplay ||
+ m->vsync_end + target_vtotal_diff < m->vsync_start ||
+ m->vtotal + target_vtotal_diff < m->vsync_end)
+ continue;
+
+ new_mode = drm_mode_duplicate(aconnector->base.dev, m);
+ if (!new_mode)
+ goto out;
+
+ new_mode->vtotal += (u16)target_vtotal_diff;
+ new_mode->vsync_start += (u16)target_vtotal_diff;
+ new_mode->vsync_end += (u16)target_vtotal_diff;
+ new_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
+ new_mode->type |= DRM_MODE_TYPE_DRIVER;
+
+ if (!is_duplicate_mode(aconnector, new_mode)) {
+ drm_mode_probed_add(&aconnector->base, new_mode);
+ new_modes_count += 1;
+ } else
+ drm_mode_destroy(aconnector->base.dev, new_mode);
+ }
+ out:
+ return new_modes_count;
+}
+
+static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connector,
+ struct edid *edid)
+{
+ struct amdgpu_dm_connector *amdgpu_dm_connector =
+ to_amdgpu_dm_connector(connector);
+
+ if (!(amdgpu_freesync_vid_mode && edid))
+ return;
+
+ if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
+ amdgpu_dm_connector->num_modes +=
+ add_fs_modes(amdgpu_dm_connector);
+}
+
static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
{
struct amdgpu_dm_connector *amdgpu_dm_connector =
@@ -7175,6 +7385,7 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
} else {
amdgpu_dm_connector_ddc_get_modes(connector, edid);
amdgpu_dm_connector_add_common_modes(encoder, connector);
+ amdgpu_dm_connector_add_freesync_modes(connector, edid);
}
amdgpu_dm_fbc_init(connector);
@@ -7847,9 +8058,22 @@ static void update_stream_irq_parameters(
if (new_crtc_state->vrr_supported &&
config.min_refresh_in_uhz &&
config.max_refresh_in_uhz) {
- config.state = new_crtc_state->base.vrr_enabled ?
- VRR_STATE_ACTIVE_VARIABLE :
- VRR_STATE_INACTIVE;
+ /*
+ * if freesync compatible mode was set, config.state will be set
+ * in atomic check
+ */
+ if (config.state == VRR_STATE_ACTIVE_FIXED && config.fixed_refresh_in_uhz &&
+ (!drm_atomic_crtc_needs_modeset(&new_crtc_state->base) ||
+ new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)) {
+ vrr_params.max_refresh_in_uhz = config.max_refresh_in_uhz;
+ vrr_params.min_refresh_in_uhz = config.min_refresh_in_uhz;
+ vrr_params.fixed_refresh_in_uhz = config.fixed_refresh_in_uhz;
+ vrr_params.state = VRR_STATE_ACTIVE_FIXED;
+ } else {
+ config.state = new_crtc_state->base.vrr_enabled ?
+ VRR_STATE_ACTIVE_VARIABLE :
+ VRR_STATE_INACTIVE;
+ }
} else {
config.state = VRR_STATE_UNSUPPORTED;
}
@@ -8170,8 +8394,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
* re-adjust the min/max bounds now that DC doesn't handle this
* as part of commit.
*/
- if (amdgpu_dm_vrr_active(dm_old_crtc_state) !=
- amdgpu_dm_vrr_active(acrtc_state)) {
+ if (is_dc_timing_adjust_needed(dm_old_crtc_state, acrtc_state)) {
spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
dc_stream_adjust_vmin_vmax(
dm->dc, acrtc_state->stream,
@@ -8456,6 +8679,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
/* i.e. reset mode */
if (dm_old_crtc_state->stream)
remove_stream(adev, acrtc, dm_old_crtc_state->stream);
+
mode_set_reset_required = true;
}
} /* for_each_crtc_in_state() */
@@ -8866,6 +9090,7 @@ static void get_freesync_config_for_crtc(
to_amdgpu_dm_connector(new_con_state->base.connector);
struct drm_display_mode *mode = &new_crtc_state->base.mode;
int vrefresh = drm_mode_vrefresh(mode);
+ bool fs_vid_mode = false;
new_crtc_state->vrr_supported = new_con_state->freesync_capable &&
vrefresh >= aconnector->min_vfreq &&
@@ -8873,17 +9098,24 @@ static void get_freesync_config_for_crtc(
if (new_crtc_state->vrr_supported) {
new_crtc_state->stream->ignore_msa_timing_param = true;
- config.state = new_crtc_state->base.vrr_enabled ?
- VRR_STATE_ACTIVE_VARIABLE :
- VRR_STATE_INACTIVE;
- config.min_refresh_in_uhz =
- aconnector->min_vfreq * 1000000;
- config.max_refresh_in_uhz =
- aconnector->max_vfreq * 1000000;
+ fs_vid_mode = new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED;
+
+ config.min_refresh_in_uhz = aconnector->min_vfreq * 1000000;
+ config.max_refresh_in_uhz = aconnector->max_vfreq * 1000000;
config.vsif_supported = true;
config.btr = true;
- }
+ if (fs_vid_mode) {
+ config.state = VRR_STATE_ACTIVE_FIXED;
+ config.fixed_refresh_in_uhz = new_crtc_state->freesync_config.fixed_refresh_in_uhz;
+ goto out;
+ } else if (new_crtc_state->base.vrr_enabled) {
+ config.state = VRR_STATE_ACTIVE_VARIABLE;
+ } else {
+ config.state = VRR_STATE_INACTIVE;
+ }
+ }
+out:
new_crtc_state->freesync_config = config;
}
@@ -8896,6 +9128,50 @@ static void reset_freesync_config_for_crtc(
sizeof(new_crtc_state->vrr_infopacket));
}
+static bool
+is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state,
+ struct drm_crtc_state *new_crtc_state)
+{
+ struct drm_display_mode old_mode, new_mode;
+
+ if (!old_crtc_state || !new_crtc_state)
+ return false;
+
+ old_mode = old_crtc_state->mode;
+ new_mode = new_crtc_state->mode;
+
+ if (old_mode.clock == new_mode.clock &&
+ old_mode.hdisplay == new_mode.hdisplay &&
+ old_mode.vdisplay == new_mode.vdisplay &&
+ old_mode.htotal == new_mode.htotal &&
+ old_mode.vtotal != new_mode.vtotal &&
+ old_mode.hsync_start == new_mode.hsync_start &&
+ old_mode.vsync_start != new_mode.vsync_start &&
+ old_mode.hsync_end == new_mode.hsync_end &&
+ old_mode.vsync_end != new_mode.vsync_end &&
+ old_mode.hskew == new_mode.hskew &&
+ old_mode.vscan == new_mode.vscan &&
+ (old_mode.vsync_end - old_mode.vsync_start) ==
+ (new_mode.vsync_end - new_mode.vsync_start))
+ return true;
+
+ return false;
+}
+
+static void set_freesync_fixed_config(struct dm_crtc_state *dm_new_crtc_state) {
+ uint64_t num, den, res;
+ struct drm_crtc_state *new_crtc_state = &dm_new_crtc_state->base;
+
+ dm_new_crtc_state->freesync_config.state = VRR_STATE_ACTIVE_FIXED;
+
+ num = (unsigned long long)new_crtc_state->mode.clock * 1000 * 1000000;
+ den = (unsigned long long)new_crtc_state->mode.htotal *
+ (unsigned long long)new_crtc_state->mode.vtotal;
+
+ res = div_u64(num, den);
+ dm_new_crtc_state->freesync_config.fixed_refresh_in_uhz = res;
+}
+
static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
struct drm_atomic_state *state,
struct drm_crtc *crtc,
@@ -8986,6 +9262,11 @@ 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 &&
+ is_timing_unchanged_for_freesync(new_crtc_state, old_crtc_state))
+ goto skip_modeset;
+
if (dm_new_crtc_state->stream &&
dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
@@ -9017,6 +9298,24 @@ 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 &&
+ is_timing_unchanged_for_freesync(new_crtc_state,
+ old_crtc_state)) {
+ new_crtc_state->mode_changed = false;
+ DRM_DEBUG_DRIVER(
+ "Mode change not required for front porch change, "
+ "setting mode_changed to %d",
+ new_crtc_state->mode_changed);
+
+ set_freesync_fixed_config(dm_new_crtc_state);
+
+ goto skip_modeset;
+ } else if (amdgpu_freesync_vid_mode && aconnector &&
+ is_freesync_video_mode(&new_crtc_state->mode,
+ aconnector)) {
+ set_freesync_fixed_config(dm_new_crtc_state);
+ }
+
ret = dm_atomic_get_state(state, &dm_state);
if (ret)
goto fail;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 2c9eed78f6df..face69078d71 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -465,6 +465,8 @@ struct amdgpu_dm_connector {
#endif
bool force_yuv420_output;
struct dsc_preferred_settings dsc_settings;
+ /* Cached display modes */
+ struct drm_display_mode freesync_vid_base;
};
#define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
--
2.25.1
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