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-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c44
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c92
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c14
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c10
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c11
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h5
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h7
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h1
14 files changed, 188 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
index 1861a147a7fa..f977f29907df 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
@@ -252,6 +252,7 @@ static void dcn3_update_clocks(struct clk_mgr *clk_mgr_base,
bool update_dispclk = false;
bool enter_display_off = false;
bool dpp_clock_lowered = false;
+ bool update_pstate_unsupported_clk = false;
struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu;
bool force_reset = false;
bool update_uclk = false;
@@ -299,13 +300,28 @@ static void dcn3_update_clocks(struct clk_mgr *clk_mgr_base,
clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support;
total_plane_count = clk_mgr_helper_get_active_plane_cnt(dc, context);
p_state_change_support = new_clocks->p_state_change_support || (total_plane_count == 0);
- if (should_update_pstate_support(safe_to_lower, p_state_change_support, clk_mgr_base->clks.p_state_change_support)) {
+
+ // invalidate the current P-State forced min in certain dc_mode_softmax situations
+ if (dc->clk_mgr->dc_mode_softmax_enabled && safe_to_lower && !p_state_change_support) {
+ if ((new_clocks->dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000) !=
+ (clk_mgr_base->clks.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000))
+ update_pstate_unsupported_clk = true;
+ }
+
+ if (should_update_pstate_support(safe_to_lower, p_state_change_support, clk_mgr_base->clks.p_state_change_support) ||
+ update_pstate_unsupported_clk) {
clk_mgr_base->clks.p_state_change_support = p_state_change_support;
/* to disable P-State switching, set UCLK min = max */
- if (!clk_mgr_base->clks.p_state_change_support)
- dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
+ if (!clk_mgr_base->clks.p_state_change_support) {
+ if (dc->clk_mgr->dc_mode_softmax_enabled &&
+ new_clocks->dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
+ dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
+ dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
+ else
+ dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz);
+ }
}
/* Always update saved value, even if new value not set due to P-State switching unsupported */
@@ -421,6 +437,24 @@ static void dcn3_set_hard_max_memclk(struct clk_mgr *clk_mgr_base)
clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz);
}
+static void dcn3_set_max_memclk(struct clk_mgr *clk_mgr_base, unsigned int memclk_mhz)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK, memclk_mhz);
+}
+static void dcn3_set_min_memclk(struct clk_mgr *clk_mgr_base, unsigned int memclk_mhz)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+
+ if (!clk_mgr->smu_present)
+ return;
+ dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, memclk_mhz);
+}
+
/* Get current memclk states, update bounding box */
static void dcn3_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base)
{
@@ -436,6 +470,8 @@ static void dcn3_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base)
&num_levels);
clk_mgr_base->bw_params->clk_table.num_entries = num_levels ? num_levels : 1;
+ clk_mgr_base->bw_params->dc_mode_softmax_memclk = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_UCLK);
+
/* Refresh bounding box */
clk_mgr_base->ctx->dc->res_pool->funcs->update_bw_bounding_box(
clk_mgr->base.ctx->dc, clk_mgr_base->bw_params);
@@ -505,6 +541,8 @@ static struct clk_mgr_funcs dcn3_funcs = {
.notify_wm_ranges = dcn3_notify_wm_ranges,
.set_hard_min_memclk = dcn3_set_hard_min_memclk,
.set_hard_max_memclk = dcn3_set_hard_max_memclk,
+ .set_max_memclk = dcn3_set_max_memclk,
+ .set_min_memclk = dcn3_set_min_memclk,
.get_memclk_states_from_smu = dcn3_get_memclk_states_from_smu,
.are_clock_states_equal = dcn3_are_clock_states_equal,
.enable_pme_wa = dcn3_enable_pme_wa,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 598739182461..c250f6de5136 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3605,6 +3605,98 @@ void dc_lock_memory_clock_frequency(struct dc *dc)
core_link_enable_stream(dc->current_state, &dc->current_state->res_ctx.pipe_ctx[i]);
}
+static void blank_and_force_memclk(struct dc *dc, bool apply, unsigned int memclk_mhz)
+{
+ struct dc_state *context = dc->current_state;
+ struct hubp *hubp;
+ struct pipe_ctx *pipe;
+ int i;
+
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ pipe = &context->res_ctx.pipe_ctx[i];
+
+ if (pipe->stream != NULL) {
+ dc->hwss.disable_pixel_data(dc, pipe, true);
+
+ // wait for double buffer
+ pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VACTIVE);
+ pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK);
+ pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VACTIVE);
+
+ hubp = pipe->plane_res.hubp;
+ hubp->funcs->set_blank_regs(hubp, true);
+ }
+ }
+
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, memclk_mhz);
+ dc->clk_mgr->funcs->set_min_memclk(dc->clk_mgr, memclk_mhz);
+
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ pipe = &context->res_ctx.pipe_ctx[i];
+
+ if (pipe->stream != NULL) {
+ dc->hwss.disable_pixel_data(dc, pipe, false);
+
+ hubp = pipe->plane_res.hubp;
+ hubp->funcs->set_blank_regs(hubp, false);
+ }
+ }
+}
+
+
+/**
+ * dc_enable_dcmode_clk_limit() - lower clocks in dc (battery) mode
+ * @dc: pointer to dc of the dm calling this
+ * @enable: True = transition to DC mode, false = transition back to AC mode
+ *
+ * Some SoCs define additional clock limits when in DC mode, DM should
+ * invoke this function when the platform undergoes a power source transition
+ * so DC can apply/unapply the limit. This interface may be disruptive to
+ * the onscreen content.
+ *
+ * Context: Triggered by OS through DM interface, or manually by escape calls.
+ * Need to hold a dclock when doing so.
+ *
+ * Return: none (void function)
+ *
+ */
+void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable)
+{
+ uint32_t hw_internal_rev = dc->ctx->asic_id.hw_internal_rev;
+ unsigned int softMax, maxDPM, funcMin;
+ bool p_state_change_support;
+
+ if (!ASICREV_IS_BEIGE_GOBY_P(hw_internal_rev))
+ return;
+
+ softMax = dc->clk_mgr->bw_params->dc_mode_softmax_memclk;
+ maxDPM = dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz;
+ funcMin = (dc->clk_mgr->clks.dramclk_khz + 999) / 1000;
+ p_state_change_support = dc->clk_mgr->clks.p_state_change_support;
+
+ if (enable && !dc->clk_mgr->dc_mode_softmax_enabled) {
+ if (p_state_change_support) {
+ if (funcMin <= softMax)
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, softMax);
+ // else: No-Op
+ } else {
+ if (funcMin <= softMax)
+ blank_and_force_memclk(dc, true, softMax);
+ // else: No-Op
+ }
+ } else if (!enable && dc->clk_mgr->dc_mode_softmax_enabled) {
+ if (p_state_change_support) {
+ if (funcMin <= softMax)
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, maxDPM);
+ // else: No-Op
+ } else {
+ if (funcMin <= softMax)
+ blank_and_force_memclk(dc, true, maxDPM);
+ // else: No-Op
+ }
+ }
+ dc->clk_mgr->dc_mode_softmax_enabled = enable;
+}
bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, struct dc_plane_state *plane,
struct dc_cursor_attributes *cursor_attr)
{
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index a43c008bd0f2..963b58803ae5 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1432,6 +1432,9 @@ void dc_unlock_memory_clock_frequency(struct dc *dc);
*/
void dc_lock_memory_clock_frequency(struct dc *dc);
+/* set soft max for memclk, to be used for AC/DC switching clock limitations */
+void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable);
+
/* cleanup on driver unload */
void dc_hardware_release(struct dc *dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
index e293b3050cd0..dc1752e9f461 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
@@ -929,6 +929,16 @@ bool hubp2_is_flip_pending(struct hubp *hubp)
void hubp2_set_blank(struct hubp *hubp, bool blank)
{
+ hubp2_set_blank_regs(hubp, blank);
+
+ if (blank) {
+ hubp->mpcc_id = 0xf;
+ hubp->opp_id = OPP_ID_INVALID;
+ }
+}
+
+void hubp2_set_blank_regs(struct hubp *hubp, bool blank)
+{
struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
uint32_t blank_en = blank ? 1 : 0;
@@ -950,9 +960,6 @@ void hubp2_set_blank(struct hubp *hubp, bool blank)
HUBP_NO_OUTSTANDING_REQ, 1,
1, 200);
}
-
- hubp->mpcc_id = 0xf;
- hubp->opp_id = OPP_ID_INVALID;
}
}
@@ -1602,6 +1609,7 @@ static struct hubp_funcs dcn20_hubp_funcs = {
.hubp_setup_interdependent = hubp2_setup_interdependent,
.hubp_set_vm_system_aperture_settings = hubp2_set_vm_system_aperture_settings,
.set_blank = hubp2_set_blank,
+ .set_blank_regs = hubp2_set_blank_regs,
.dcc_control = hubp2_dcc_control,
.mem_program_viewport = min_set_viewport,
.set_cursor_attributes = hubp2_cursor_set_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.h
index eea2254b15e4..9204c3ef323b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.h
@@ -330,6 +330,7 @@ void hubp2_program_surface_config(
bool hubp2_is_flip_pending(struct hubp *hubp);
void hubp2_set_blank(struct hubp *hubp, bool blank);
+void hubp2_set_blank_regs(struct hubp *hubp, bool blank);
void hubp2_cursor_set_position(
struct hubp *hubp,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index de4723f33c60..a17fe8ab2904 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -615,6 +615,11 @@ void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
pipe_ctx->pipe_idx);
}
+void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
+{
+ dcn20_blank_pixel_data(dc, pipe_ctx, blank);
+}
+
static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
int opp_cnt)
{
@@ -1840,6 +1845,11 @@ void dcn20_optimize_bandwidth(
dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
true);
+ if (dc->clk_mgr->dc_mode_softmax_enabled)
+ if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
+ context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
+
dc->clk_mgr->funcs->update_clocks(
dc->clk_mgr,
context,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
index 6bba191cd33e..33a36c02b2f8 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h
@@ -53,6 +53,10 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx);
void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
struct dc_link_settings *link_settings);
void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_disable_pixel_data(
+ struct dc *dc,
+ struct pipe_ctx *pipe_ctx,
+ bool blank);
void dcn20_blank_pixel_data(
struct dc *dc,
struct pipe_ctx *pipe_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
index eac08926b574..6a4dcafb9bba 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
@@ -490,6 +490,7 @@ static struct hubp_funcs dcn30_hubp_funcs = {
.hubp_setup_interdependent = hubp2_setup_interdependent,
.hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings,
.set_blank = hubp2_set_blank,
+ .set_blank_regs = hubp2_set_blank_regs,
.dcc_control = hubp3_dcc_control,
.mem_program_viewport = min_set_viewport,
.set_cursor_attributes = hubp2_cursor_set_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index 3e99bb9c70ab..1db1ca19411d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -344,6 +344,17 @@ void dcn30_enable_writeback(
dwb->funcs->enable(dwb, &wb_info->dwb_params);
}
+void dcn30_prepare_bandwidth(struct dc *dc,
+ struct dc_state *context)
+{
+ if (dc->clk_mgr->dc_mode_softmax_enabled)
+ if (dc->clk_mgr->clks.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
+ context->bw_ctx.bw.dcn.clk.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
+ dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
+
+ dcn20_prepare_bandwidth(dc, context);
+}
+
void dcn30_disable_writeback(
struct dc *dc,
unsigned int dwb_pipe_inst)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
index e9a0005288d3..73e7b690e82c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.h
@@ -27,7 +27,7 @@
#define __DC_HWSS_DCN30_H__
#include "hw_sequencer_private.h"
-
+#include "dcn20/dcn20_hwseq.h"
struct dc;
void dcn30_init_hw(struct dc *dc);
@@ -47,6 +47,9 @@ void dcn30_disable_writeback(
struct dc *dc,
unsigned int dwb_pipe_inst);
+void dcn30_prepare_bandwidth(struct dc *dc,
+ struct dc_state *context);
+
bool dcn30_mmhubbub_warmup(
struct dc *dc,
unsigned int num_dwb,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
index 4926771ddeee..bb347319de83 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
@@ -55,6 +55,7 @@ static const struct hw_sequencer_funcs dcn30_funcs = {
.enable_audio_stream = dce110_enable_audio_stream,
.disable_audio_stream = dce110_disable_audio_stream,
.disable_plane = dcn20_disable_plane,
+ .disable_pixel_data = dcn20_disable_pixel_data,
.pipe_control_lock = dcn20_pipe_control_lock,
.interdependent_update_lock = dcn10_lock_all_pipes,
.cursor_lock = dcn10_cursor_lock,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
index a17e5de3b100..c920c4b6077d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
@@ -211,6 +211,8 @@ struct dummy_pstate_entry {
struct clk_bw_params {
unsigned int vram_type;
unsigned int num_channels;
+ unsigned int dispclk_vco_khz;
+ unsigned int dc_mode_softmax_memclk;
struct clk_limit_table clk_table;
struct wm_table wm_table;
struct dummy_pstate_entry dummy_pstate_table[4];
@@ -261,6 +263,10 @@ struct clk_mgr_funcs {
/* Send message to PMFW to set hard max memclk frequency to highest DPM */
void (*set_hard_max_memclk)(struct clk_mgr *clk_mgr);
+ /* Custom set a memclk freq range*/
+ void (*set_max_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
+ void (*set_min_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
+
/* Get current memclk states from PMFW, update relevant structures */
void (*get_memclk_states_from_smu)(struct clk_mgr *clk_mgr);
@@ -274,6 +280,7 @@ struct clk_mgr {
struct dc_clocks clks;
bool psr_allow_active_cache;
bool force_smu_not_present;
+ bool dc_mode_softmax_enabled;
int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
int dentist_vco_freq_khz;
struct clk_state_registers_and_bypass boot_snapshot;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
index 80e1a32bc63d..2c031586f4e6 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
@@ -139,6 +139,7 @@ struct hubp_funcs {
bool (*hubp_is_flip_pending)(struct hubp *hubp);
void (*set_blank)(struct hubp *hubp, bool blank);
+ void (*set_blank_regs)(struct hubp *hubp, bool blank);
void (*set_hubp_blank_en)(struct hubp *hubp, bool blank);
void (*set_cursor_attributes)(
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index d50f4bd06b5d..05053f3b4ab7 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -64,6 +64,7 @@ struct hw_sequencer_funcs {
enum dc_status (*apply_ctx_to_hw)(struct dc *dc,
struct dc_state *context);
void (*disable_plane)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+ void (*disable_pixel_data)(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank);
void (*apply_ctx_for_surface)(struct dc *dc,
const struct dc_stream_state *stream,
int num_planes, struct dc_state *context);